EX 1: Chia các động từ trong ngoặc ra thì simple past hoặc present perfect:
1) We (study)--.a very hard lesson the day before yesterday.
2) We (study)--..almost every lesson in this book so far--.
3) We (never watch)-..that televisionprogram -...
4) We (watch)-.an interesting program on television last night...
5) My wife and I--(had travelled) by air many times in the past
6) My wife and I (travel)--.. to Mexico by air last summer
7) I (read)-..that novel by Hemingway sevaral times before.
8) I (read)-.that novel again during my last vacation.
9) I (have)-.a little trouble with my car last week.
10) However, I (have)-. no trouble with my car since then.
11) I (have ) ………………..this toy since my birthday.
12)We (live )………………….in HN for ten years now and like it a lot.
13)The last time I (go) ……………………to HN was in May
14)When my parents were on holiday I ( stay)……………… with my aunt for a week
15)I (not see ) my son for ages .He (not visit ) ……………………..me since May
16)Tom ( be) …………….to HN twice .He loves it very much
17)My sister (work ) ……………………for an enterprise for two years .That was after college
18)I (move)……………… to HN in 2001 .I (be ) ………….there a long time now
19)It was so cold today that I (wear)…………… a sweater at school
20)So far this month there (be )……………………. three robberies in this street
21)When I was young I (meet )…………..him three times
22)In the past few years ,it (become )……………….. more and more difficult to get into university
23)I (feel )………………better since I ( live) ……………….here
24) Since I (be ) ……………………in this city I ( not see)…………… him
EX 2: Chia động từ trong ngoặc ở thì QKĐ hay HTHT
1. I (lose)--..my key. I can't find it anywhere.
2. You (see)--.the film on TV last night?
3. Jill (buy)--.a new car two weeks ago.
4. His hair is very short. He (have)-- a haircut.
5. Last night I (arrive)--home at 10.30. I (have) --.a bath then I (go)--.to bed.
6. When (you/give) --.up smoking?
7. The car looks very clean. You (wash) --it?
8. I don't know Carol's husband. I (never meet) --.him.
9. She (work)--in this company since she (leave)--her school.
10. I (smoke) -...20 cigarettes yesterday.
11. They (not speak)--to each other since they quarelled.
12. I wonder where he (live)-- since then.
13. Their child (try) --to learn English for years, but he (not succeed) yet.
14. She alredly (drink)-- three cups of tea since I (sit)--.here.
15. I (wait) here for her since seven o'clock and she (not come)--..yet.
16. My father (work)--.in this factory for many years.
17. John (do)--. his homework recently?
18. Look! That light (burn)--.all night
19. I (see)--..Lan since yesterday
20. Lan (not visit) --.their parents since last month
EX 3: Chia động từ trong ngoặc ở thì HTHT
1. I (live)=.here for 3 years. Tom (never be)--...in Hanoi.
2. I (read)--...the novel written by Jack London several times before.
3. He (write)=a book since last year.
4. How long you (learn)--.English?
5. Many people (never see)--.snow. It (stop)--.raininf yet?
6. ''Would you like something to eat?'' ''No, thank you. I (just have)--lunch''
7. It's the first time she (drive)--a car.
8. I (not see)--him since last Christmas. We (go)--to Vung Tau saveral times.
9. He already (write)-...to his parents. Lien (not prepare)--.her lessons yet.
10. They just (receive)-...a package form their grandfather.
11. Miss Huong (teach)--.us English for 2 years. She (be) --there for 20 year.
12. --.she (feed) --.her dog yet?
13. We never (take)-. a bus to school before.
14. She (do)--her homework recently. They (not hand)--. in their essay yet.
15. --.you (meet)--. the new student yet?
16. She already (finish)-- her homework. I (wait)-- for her since half past six.
17. Nam (talk)--.with her many times. She (be) --.happy since she (have)--.a computer.
18. They (build)--that buiding two year. The show just (begin)--. . You are a bit late
