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