CHUYÊN ĐỀ 1.CÁC THÌ (TENSES)

1. THÌ HIỆN TẠI ĐƠN SIMPLE PRESENT

VỚI ĐỘNG TỪ THƯỜNG

Khẳng định: S + Vs/es + O

Phủ định: S + DO/DOES + NOT + V +O

Nghi vấn: DO/DOES + S + V+ O ?

VỚI ĐỘNG TỪ TOBE

Khẳng định: S + AM/IS/ARE + O

Phủ định: S + AM/IS/ARE + NOT + O

Nghi vấn: AM/IS/ARE + S + O

Từ nhận biết: always, every, usually, often, generally, frequently.

Cách dùng:

Thì hiện tại đơn diễn tả một chân lý, một sự thật hiển nhiên.

Ví dụ: The sun ries in the East.

Thỡ hiện tại đơn diễn tả 1 thói quen, một hành động xảy ra thường xuyên ở hiện tại.

Ví dụ: Mary often goes to school by bicycle.

          I get up early every morning.

Lưu ý: ta thêm "es" sau các động từ tận cùng là: O, S, X, CH, SH.

Thỡ hiện tại đơn diễn tả năng lực của con người

Vớ dụ: He plays badminton very well

Thỡ hiện tại đơn cũn diễn tả một kế hoạch sắp xếp trước trong tương lai hoặc thời khoá biểu, đặc biệt dùng với các động từ di chuyển.

2. THÌ HIỆN TẠI TIẾP DIỄN - PRESENT CONTINUOUS

Công thức

Khẳng định: S + be (am/ is/ are) + V_ing + O

Phủ định: S + BE + NOT + V_ing + O

Nghi vấn: BE + S + V_ing + O

Từ nhận biết: Now, right now, at present, at the moment

Thì hiện tại tiếp diễn tả một hành động đang diễn ra và kéo dài một thời gian ở hiện tại.

Ex: The children are playing football now.

Thì này cũng thường tiếp theo sau câu đề nghị, mệnh lệnh.

Ex: Look! the child is crying.

Be quiet! The baby is sleeping in the next room.

Thì này cũng diễn tả 1 hành động xảy ra lặp đi lặp lại dùng với phó từ ALWAYS:

Ex: He is always borrowing our books and then he doesn't remember -

Thì này cũng được dùng để diễn tả một hành động sắp xảy ra (ở tương lai gần)

Ex: He is coming tomrow

Lưu ý: Khụng dựng thỡ này với cỏc động từ chỉ nhận thức chi giác như: to be, see, hear, understand, know, like, want, glance, feel, think, smell, love. hate, realize, seem, remmber, forget,..........

Ex: I am tired now.

She wants to go for a walk at the moment.

Do you understand your lesson?

3. THÌ HIỆN TẠI HOÀN THÀNH - PRESENT PERFECT

Khẳng định: S + have/ has + Past participle (V3) + O

Phủ định: S + have/ has + NOT + Past participle + O

Nghi vấn: have/ has + S + Past participle + O

Từ nhận biết: already, not... yet, just, ever, never, since, for, recenthy, before...

Cách dùng thì hiện tại hoàn thành:

Thì hiện tại hoàn thành diễn tả hành động đó xảy ra hoặc chưa bao giờ xảy ra ở 1 thời gian không xác định trong quá khứ.

Thì hiện tại hoàn thành cũng diễn tả sự lập đi lập lại của 1 hành động trong quá khứ.

Thì hiện tại hoàn thành cũng được dùng với since và for.

Since + thời gian bắt đầu (1995, I was young, this morning etc.) Khi người nói dùng since, người nghe phải tính thời gian là bao lâu.

For + khoảng thời gian (từ lúc đầu tới bây giờ) Khi người nói dùng for, người nói phải tính thời gian là bao lâu.

4. THÌ HIỆN TẠI HOÀN THÀNH TIẾP DIỄN - PRESENT PERFECT CONTINUOUS

Khẳng định: S has/have + been + V_ing + O

Phủ định: S + Hasn't/ Haven't + been+ V-ing + O

Nghi vấn: Has/HAve+ S+ been + V-ing + O?

Từ nhận biết: all day, all week, since, for, for a long time, almost every day this week, recently, lately, in the past week, in recent years, up until now, and so far.

Cách dùng thì hiện tại hoàn thành:

Thì hiện tại hoàn thành tiếp diễn nhấn mạnh khoảng thời gian của 1 hành động đó xảy ra trong quá khứ và tiếp tục tới hiện tại (cụ thể tới tương lai).

5. THÌ QUÁ KHỨ ĐƠN - SIMPLE PAST

VỚI ĐỘNG TỪ THƯỜNG

Khẳng định: S + V_ed + O

Phủ định: S + DID+ NOT + V + O

Nghi vấn: DID + S+ V+ O ?

VỚI TOBE

Khẳng định: S + WAS/WERE + O

Phủ định: S+ WAS/ WERE + NOT + O

Nghi vấn: WAS/WERE + S+ O ?

Từ nhận biết: yesterday, yesterday morning, last week, las month, last year, last night.

Cách dùng thì quá khứ đơn:

Thì quá khứ đơn diễn tả hành động đó xảy ra và kết thúc trong quá khứ với thời gian xác định.

When + thì quá khứ đơn (simple past)

When + hành động thứ nhất

6. THÌ QUÁ KHỨ TIẾP DIỄN - PAST CONTINUOUS

Khẳng định: S + was/were + V_ing + O

Phủ định: S + wasn't/weren't + V-ing + O

Nghi vấn: Was/Were + S+ V-ing + O?

Từ nhận biết: While, at that very moment, at 10:00 last night, and this morning (afternoon).

Cách dùng thì quá khứ tiếp diễn:

Dùng để diễn tả hành động đó xảy ra cùng lúc. Nhưng hành động thứ nhất đó xảy ra sớm hơn và đó đang tiếp tục xảy ra thì hành động thứ hai xảy ra.

7. THÌ QUÁ KHỨ HOÀN THÀNH - PAST PERFECT

Khẳng định: S + had + Past Participle (V3) + O

Phủ định: S + hadn't + Past Participle + O

Nghi vấn: Had + S + Past Participle + O?

Từ nhận biết: after, before, as soon as, by the time, when, already, just, since, for....

Cách dùng thì quá khứ hoàn thành:

Thì quá khứ hoàn thành diễn tả 1 hành động đó xảy ra và kết thúc trong quá khứ trước 1 hành động khác cũng xảy ra và kết thúc trong quá khứ.

8. THÌ QUÁ KHỨ HOÀN THÀNH TIẾP DIỄN - PAST PERFECT CONTINUOUS

Khẳng định: S + had + been + V_ing + O

Phủ định: S + hadn't + been+ V-ing + O

Nghi vấn: Had + S + been + V-ing + O?

Từ nhận biết: until then, by the time, prior to that time, before, after.

Cách dùng thì quá khứ hoàn thành tiếp diễn:

Thì quá khứ hoàn thành tiếp diễn nhấn mạnh khoảng thời gian của 1 hành động đó đang xảy ra trong quá khứ và kết thúc trước 1 hành động khác xảy ra và cũng kết thúc trong quá khứ.

9. THÌ TƯƠNG LAI - SIMPLE FUTURE

Khẳng định: S + shall/will + V(infinitive) + O

Phủ định: S + shall/will + NOT+ V(infinitive) + O

Nghi vấn: shall/will + S + V(infinitive) + O?

Cách dùng thì tương lai:

Khi đoán (predict, guess), dùng will hoặc be going to.

Khi chỉ dự định trước, dùng be going to không được dùng will.

Khi diễn tả sự tìnhnh nguyện hoặc sự sẵn sàng, dựng will không được dùng be going to.

10. THÌ TƯƠNG LAI TIẾP DIỄN - FUTURE CONTINUOUS

Khẳng định: S + shall/will + be + V_ing+ O

Phủ định: S + shall/will + NOT+ be + V_ing+ O

Nghi vấn: shall/will +S+ be + V_ing+ O

Từ nhận biết: in the future, next year, next week, next time, and soon.

Cách dùng thì tương lai tiếp diễn:

Thì tương lai tiếp diễn diễn tả hành động sẽ xảy ra ở 1 thời điểm nào đó trong tương lai.

CHỦ TỪ + WILL + BE + V -ING hoặc

CHỦ TỪ + BE GOING TO + BE + V-ING

11. THÌ TƯƠNG LAI HOÀN THÀNH - FUTURE PERFECT

Khẳng định: S + shall/will + have + Past Participle

Phủ định: S + shall/will + NOT+ be + V_ing+ O

Nghi vấn: shall/will + NOT+ be + V_ing+ O?

Từ nhận biết: by the time and prior to the time (cú nghĩa là before)

Cách dùng thì tương lai hoàn thành:

Thì tương lai hoàn thành diễn tả 1 hành động trong tương lai sẽ kết thúc trước 1 hành động khác trong tương lai.

CHỦ TỪ + WILL + HAVE + QUÁ KHỨ PHÂN TỪ (PAST PARTICIPLE)

12. THÌ TƯƠNG LAI HOÀN THÀNH TIẾP DIỄN - FUTURE PERFECT CONTINUOUS

Khẳng định: S + shall/will + have been + V_ing + O

Phủ định: S + shall/will + NOT+ have been + V_ing + O

Nghi vấn: shall/will + S+ have been + V_ing + O?

Cách dùng thì tương lai hoàn thành tiếp diễn:

Thì tương lai hoàn thành tiếp diễn nhấn mạnh khoảng thời gian của 1 hành động sẽ đang xảy ra trong tương lai và sẽ kết thúc trước 1 hành động khác trong tương lai.

I. Choose the best answer among A, B, C, or D.

1. When I last saw him, he _____ in London.

            A. has lived                    B. is living                      C. was living                  D. has been living

      2. We _______ Dorothy since last Saturday.

            A. don’t see                   B. haven’t seen               C. didn’t see                  D. hadn’t seen

      3. The train ______ half an hour ago.

            A. has been leaving        B. left                            C. has left                      D. had left

      4. Jack ______ the door.

            A. has just painted         B. paint                         C. will have painted        D. painting

      5. My sister ________ for you since yesterday.

            A. is looking                  B. was looking               C. has been looking       D. looked

      6. I ______ Texas State University now.

            A. am attending             B. attend                       C. was attending            D. attended

      7. He has been selling motorbikes ________.

            A. ten years ago             B. since ten years           C. for ten years ago       D. for ten years

      8. Christopher Columbus _______ American more than 500 years ago.

            A. discovered                B. has discovered           C. had discovered          D. had been discovering

      9. He fell down when he ______ towards the church.

            A. run                            B. runs                          C. was running               D. had run

     10. We _______ there when our father died.

            A. still lived                    B. lived still                    C. was still lived             D. were still living

     11. They ______ table tennis when their father comes back home.

            A. will play         B. will be playing            C. play                          D. would play

     12. By Christmas, I _______ for Mr. Smith for six years.

            A. shall have been workingB. shall work               C. have been working     D. shall be working

     13. I _______ in the room right now.

            A. am being                   B. was being                  C. have been being        D. am

     14. I ______ to New York three times this year.

            A. have been                 B. was                           C. were                         D. had been

     15. I’ll come and see you before I _______ for the States.

            A. leave                         B. will leave                    C. have left                    D. shall leave

     16. The little girl asked what _______ to her friend.

            A. has happened            B. happened                  C. had happened           D. would have been happened

     17. John ______ a book when I saw him.

            A. is reading                  B. read                          C. was reading               D. reading

     18. He said he _______ return later.

              A. will                          B. would                        C. can                           D. would be

     19. I have been waiting for you ______.

            A. since early morning    B. since 9a. m                C. for two hours             D. All are correct

20. Almost everyone _______ for home by the time we arrived.

            A. leave                         B. left                            C. leaves                       D. had left

21. By the age of 25, he ______ two famous novels.

            A. wrote                        B. writes                        C. has written                 D. had written

22. While her husband was in the army, Mary ______ to him twice a week.

            A. was reading               B. wrote                        C. was written                D. had written

23. I couldn’t cut the grass because the lawn mower ______ a few days previously.

            A. broke down               B. has been broken        C. had broken down      D. breaks down

24. I have never played badminton before. This is the first time I _____ to play.

            A. try                             B. tried                          C. have tried                  D. am trying

25. Since _______, I have heard nothing from him.

            A. he had left                 B. he left                        C. he has left                 D. he was left

26. After I _______ lunch, I looked for my bag.

            A. had                           B. had had                     C. have has                    D. have had

27. By the end of next year, George _______ English for two years.

            A. will have learned        B. will learn                    C. has learned               D. would learn

28. The man got out of the car, ________ round to the back and opened the book.

            A. walking                     B. walked                      C. walks                        D. walk

30. He will take the dog out for a walk as soon as he ______ dinner.

            A. finish                         B. finishes                      C. will finish                   D. finishing

 

31 Ask her to come and see me when she _______ her work.

            A. finish             B. has finished               C. finished                     D. finishing

32. Tom and Mary ______ for Vietnam tomorrow.

            A. leave             B. are leaving                 C. leaving                      D. are left

33. He always ________ for a walk in the evening.

            A. go                B. is going                     C. goes                         D. going

34. Her brother ______ in Canada at present.

            A. working         B. works                        C. is working                 D. work

35. Last week, my professor promised that he ________ today.

            A. would come   B. will come                   C. comes                       D. coming

II. Choose the underlined part in each sentence (A, B,C, or D) that needs correcting.

1. After Mrs. Wang had returned to her house from work, she was cooking dinner.                                                        

                                            A                  B                  C                      D    

2. Jimmy threw the ball high in the air, and Betty catching it when it came down

                    A                   B                                         C               D

3. Linda has worn her new yellow dress only once since she buys it.

                        A               B                            C                           D

4. Last week Mark told me that he got very bored with his present job and is looking for a new one.

                     A                       B                                                       C                       D

5. Having fed the dog, he was sat down to his own meal.

A                                B      C         D

6. When I turned on my computer, I was shocked to find some junk mail, and I just delete it all.

                                                                       A           B                                          C      D

7. They are going to have to leave soon and so do we.

                                   A               B                   C     D

8. The boss laughed when the secretary has told him that she really needed a pay rise.

                                                                     A                               B         C            D

9. The telephone rang several times and then stop before I could answer it.

               A               B   C                     D

10. Debbie, whose father is an excellent tennis player, has been playing tennis since ten years.

            A                                                      B           C                                 D

11. I have seen lots of interesting places when I went on holiday last summer

               A          B              C                                   D

12. When my cat heard a noise in the bushes, she stopped moving and listen intently

        A                                                                B               C        D

13. I think it’s time you must change your way of living.

          A                                    B                        C      D

14. Roger felt the outside of his pocket to make sure his wallet is still there.

                            A                                       B  C                 D

15. When I’m shopping in the supermarket, I ran into an old friend who I hadn’t met for five years.

                         A                                                       B                                         C          D

16. The police arrested the man while he is having dinner in a restaurant.

            A                                          B             C                    D

17. Peter and Wendy first met in 2006, and they are married for three years now.

                                    A                B                        C                                         D

18. Some people are believing there is life on other planets.

   A                              B                                C     D

19. Recently, the island of Hawaii had been the subject o fintensive research on the occurrence of earthquakes.

A                        B                                      C                            D         

20. Every morning, the sun shines in my bedroom window and waking me up.

          A                                      B                  C            D

21. We’ll be cycled to Hoa’s village at this time next Sunday.

            A                                 B           C                  D

22. What will you do when your friends won’t come ?

                 A             B   C                                  D

23. My friend didn’t drink any beer since we came to live here.

                              A             B                              C                D

24. We have written to each other when we were in primary school.

                        A                     B           C          D

25. Will we go to the pop concert this weekend for a change?

       A            B         C                 D

III. Choose the correct sentence among A, B, C or D which has the same meaning as the given one.

1. As soon as he waved his hand, she turned away.

   A. He saw her turn away and he waved his hand.              

   B. No sooner had he waved his hand than she turned away.

   C. She turned away because he waved his hand too early.

   D. Although she turned away, he waved his hand.

2. My father hasn’t smoked cigarettes for a month.

   A. It’s a month since my father last smoked cigarettes.         

B. It’s a month ago that my father smoked cigarettes.

   C. It’s a month that my father hasn’t smoked cigarettes.    

D. It’s a cigarette that my father smoked a month ago.

3. Having finished their work, the workers expected to be paid.

   A. The workers expected to be paid because they had finished their work.

   B. Having their work finished, the workers expected to be paid.

   C. Having expected to be paid, the workers finished their work.

   D. Having been finished their work, the workers expected to be paid.

3. Mr. Brown bought this car five years ago.

   A. Mr. Brown started to buy this car five years ago.    

   B. It has been five years when Mr. Brown bought this car

   C. Mr. Brown has had this car for five years.                 

   D. It is five years ago since Mr. Brown bought this car.

4. I haven’t enjoyed myself so much for years.

   A. It’s years since I enjoyed myself so much.                 

B. It’s years since I have enjoyed myself so much.

   C. It was years since I had enjoyed myself so much.      

D. It has been years since I have enjoyed myself so much.

5. This is my tenth year working in this bank.

   A. By the end of this year, I will work in this bank for ten years.

   B. I have worked in this bank for ten years by the end of this year.

   C. By the end of this year, I will have worked in this bank for ten years.

   D. I had been working in this bank for ten years by the end of this year.

6. The famous actor was last seen in 2000.

   A. The famous actor has not been able to see since 2000. 

   B. No one has seen the famous actor since 2000.

   C. The famous actor didn’t see anyone in 2000.                        

   D. No one saw the famous actor until 2000.

7. I came to live here three months ago.

   A. It was three months since I lived here.                                  

   B. I’ve been living here for three months.

   C. I lived here for three months.                                              

   D. I didn’t live here for three months.

8. She goes to the shops every Friday.

   A. She goes every day to the shop but not on Friday.   

   B. It’s not Friday, but she’s going to the shops.

   C. She always goes to the shops on Friday.                  

   D. She never goes to the shops on Friday.

9. Michael took a deep breath and dived into the water.

   A. After Michael had taken a deep breath, he dived into the water.

   B. Having taken a deep breath, he dived into the water.

   C. After Michael took a deep breath, he had dived into the water.

   D. A & B are correct.

10. We started working here three years ago.

   A. We worked here for three years.                              B. We have no longer worked here for three years.

   C. We have worked here for three years.                      D. We will work here in three years.

11. It’s a long time since we last went to the cinema.

   A. We have been to the cinema for a long time.            B. We haven’t been to the cinema for a long time.

   C. We don’t go to the cinema as we used to.                D. We wish we went to the cinema now.

12. I haven’t finished this book yet.

   A. I’m still reading this book.                                        B. I have read this book before.

   C. The book I’m reading hasn’t finished.                       D. I will read this book some day.

13. He used to jog every morning.

   A. He enjoys jogging every morning.                            B. He never fails to jog every morning.

   C. He doesn’t now jog every morning.                          D. He intended to jog every morning.

14. I have never felt happier than I do now.

   A. I felt happier before.                                               B. I feel happy now.

   C. I have never felt happy.                                            D. I have always felt happy.

15. He last had his eyes tested ten months ago.

   A. He hasn’t had his eyes tested for ten months.            B. He  had not tested his eyes  for ten months then.

   C. He had tested his eyes  ten months before.               D. He didn’t have any test on his eyes in ten months.

16. Someone knocked on the door during my lunchtime.

   A. I had lunch when someone knocked on the door.

   B. When I had had lunch, someone knocked on the door.

   C.  I was having lunch when someone was knocking on the door.

   D. I was having lunch when someone knocked on the door.

17. Steve left before my arrival.

   A. When I arrived, Steve had already left.                      B. Steve left as soon as I arrived.

   C. While Steve was leaving I arrived.                             D. Steve hadn’t left until I arrived.

18. I haven’t been here before.

   A. Being here is a pleasant experience.                                     B. This is the first time I have been here.

   C. I have wished to be here for long.                            D. Before long I will be here.

19. The last time I saw Rose was three years ago.

   A. I hasn’t seen Rose for three years.                            B. I haven’t seen Rose three years ago.

   C. I haven’t seen Rose since three years.                       D. I haven’t seen Rose for three years.

20. When we arrived, the children were playing “Hide and Seek”

   A. The children played “Hide and Seek” and then we arrived.

   B. While the children were playing “Hide and Seek”, we arrived.

   C. We arrived at the same time the children played “Hide and Seek”.

   D. We didn’t arrive until the children played “Hide and Seek”.

BÀI TẬP 3

1. When I got home I found that water...............................down the kitchen walls

             A. ran              B. was running               C. has run                                  D. had been running

2. After he.......................his English course, he went to England to continue his study

            A. has finish       B. had finished               C. was finished                           D. would finish

3. How.........................since we .....................college?

            A. are you- left   B. were you- left             C. have you been- have left         D. have you been- left

4. I..................much of you lately. We..........................three months ago

A. haven’t seen- last meet    B. didn’t see- met     C. haven’t seen- have meet         D. didn’t see- have met

5. The Chinese.......................spaghetti dishes for a long time before Marco Polo.................back to Italy

A. made- brought            B. have made- brought C. made- had brought    D. had been making- brought

6. When I arrived at the meeting the first speaker.................speaking and the audience...................

            A. just finished- were clapping                B. had just finished- had clapped

            C. had just finished- were clapping          D. just finished- had clapped

7. He.............................his job last month and then he..................out of work

            A. lost- was       B. was lost- had been     C. has lost- was             D. lost- has been

8. In the last hundred years, travelling.......................much easier and more comfortable

            A. become         B. has become               C. became                     D. will became

9. In the 19^th century, it.............two or three months to across North America by covered wagon

            A. took              B. had taken                  C. had been taken          D. was taking

10. In the past, the trip...................very rough and often dangerous, but things..........a great deal in the last hundred and fifty years

            A. was- have changed    B. is- change      C. had been- will change D. has been- changed

11. She................Hanoi last year

            A. went                          B. go                 C. goes                                     D. is going

12. Now you ..................from New York to Los Angeles in a matter of hours

            A. are flying                   B. would fly                    C. will fly                        D. can fly

13. When Carol....................last night, I................my favorite show on television

            A. was calling- watched  B. called- have watched  C. called- was watching  D. had called- watched

14. By the time next summer, you....................your studies

            A. completes                 B. will complete              C. are completing          D. will have completed

15. Right now, Jim.................the newspaper and Kathy...............dinner

            A. reads- has cooked                             B. is reading- is cooking

            C. has read- was cooking                       D. read- will be cooking

16. Last night at this time, they................................the same thing. She.................and he............the newspaper

            A. are doing- is cooking- is reading        B. were doing- was cooking- was reading

            C. was doing- has cooked- is reading     D. had done- was cooking- read

17. Sam..............to change a light bulb when he................and.........................

            A. was trying-slipped- fell                                   B. tried- was slipping- falling

            C. had been trying- slipped- was falling               D. has tried- slips- falls

18. Every day I _________up at 6 o’clock, _______breakfast at seven o’clock and_______for work at 8 o’clock

A. get- eat- leave           B. have got- eating- leaving        C. got- ate- left              D. will get- have eaten- left

19. I.......................... for this company for more then thirty years, and I intend to stay here until I..............next year

            A. am working- will retire                        B. am going to work- am retiring

            C. work- am going to retire                    D. have been working- retire

20. My mother is the first.................up and the last......................to bed

A. getting- going           B. to get- going             C. getting- to go            D. to get- to go

21. I must have a bath. I ......................all the afternoon

A. was gardening           B. have gardened           C. have been gardening             D. had been gardening

22. The team.................a single match so far this season

A. doesn’t win                B. didn’t win                   C. hasn’t won                             D. hadn’t won

23. By the time you receive this letter, I ................for the USA

A. have left                    B. will leave                    C. will have left                           D. am leaving

24. Up to now, the manager ………………..a lot of information about his secretary.

      A. learned               B. has learned               C. had learned                           D. learns

25. Where is Mary? _ She ……………her homework in her room.

      A. is performing       B. is making                   C. is doing                                 D. is learning

26. While I ……………….along the road, I saw a friend of mine.

      A. was cycling          B. have cycled               C. cycled                                   D. am cycling

27. By the time I . . . . . . . . . .  this report, I will give you a ring.

     A. type                     B. will type                     C. have typed                            D. will have typed

28. While my mother ________ a film on TV, my father was cooking dinner. It was March 8^th yesterday.

     A. watched              B. was watching             C. had watched                          D. watches

29. The plane from Dallas ________ two hours late, so I missed my connecting flight from Frankfurt to London.

     A. took on                            B. took in                            C. took over                         D. took off

30. When we came, a party _________ in the hall.

     A. is being held         B. had being held                       C. will be held                D. was being held

 31. He ………….. in the same house since 1975.

            A. has lived        B. is living                                   C. lived                         D. had lived

 32. When I came to visit her last night, she ________ a bath.

            A. is having        B. was having                             C. has                           D. had

 33.When we arrived at the restaurant, the others __________ .

            A. left                B. have left                                C. had left                     D. are leaving

 34. By the end of 2010 we_______ in Ho Chi Minh City for 30 years.

A. work                             B. will work                            C. have worked              D. will have worked

35. I learned that the college  ________ in 1900

A. found                             B. was founded           C. founded                  D. had been founded

36.If I ________ 10 years younger, I _________ the job.

A. am/ will take              B. were/ would take       C. would be/ took          D. had been / would take

37. By the time he _____________ to the meeting, it had begun for 15 minutes.

A. had gone                  B. has gone                   C. went                           D. was going

38.  He began to feel ill while ___________________.

A. he is doing the exam      B. he did the exam         C. he would do the exam         D. he was doing the exam.

40. Since 1980, scientists the world over _____ a lot of things to fight against AIDS.

A. have done                  B. are doing                             C. did                            D. had done

41.Now my sister _____ a bicycle of her own.

A. is having                    B. are having                             C. has                           D. had

42. Last week, my professor promised that he _____ today.

A. would come               B. will come                               C. comes                       D. coming

43. My girl friend arrived after I _____ for her about half an hour.

A. was waiting                B. had been waiting                    C. have been waiting      D. have waited 

44. I _____ in Quang Ngai before I moved to Binh Thuan.

A. have been living         B. have lived                              C. had lived                   D. had been living

45. There are many ways _____ to Rome.

A. is leading                  B. are leading                            C. leading                      D. led

46. While I ____________ T.V last night, a mouse ran across the floor.

A. watch                        B. watched                                 C. am watching                          D. was watching

47.  I still can’t believe it! My bicycle _________ last night.

A. was stolen                 B. had been stolen                     C. stole                         D. was being stolen

48.While they were ________tables, he was _________ the radio.

A. arranging - listening to B. arranging – hearing             C. laying -listening to      D. making- hearing

49. I suddenly remembered that I ........to bring my keys.

A. having forgotten        B. have forgotten                       C. had forgotten            D. forgot

50.By the year 2010 many people currently employed ________their jobs.

A. will have lost              B. will be losing                          C. have lost                   D. are losing

50. By September next year I_______ here for ten years.

A. will be working          B. work                                     C. will have been working D. have been working