Sử dụng thì đúng của các động từ này trong mỗi câu:
1. He (work) _____________ in the office now.
2. My friend (enjoy)_____________ hamburgers very much.
3. The students ( look) _____________ up these new words right now.
4. We always (do) _____________ English exercises carefully.
5. The sun (rise) _____________ in the east.
6. They (talk) _____________ to John at the moment.
7. The children (sleep) _____________ well for two hours every afternoon.
8. My sister (need) _____________ some money for books.
10. Linda (write) _____________ to David at the moment.
11. Thu (not have) _____________ any apples. She (have) _____________ some oranges.
12. Minh (watch) _____________ TV every night. he (watch) _____________ TV at present.
13. We often (swim) _____________ in the river, but today we (go) _____________ fishing.
14. They often (play) _____________ tennis. They (play) _____________ tennis at the
moment.
15. Nam (ride) _____________ his bike to school everyday, but now he (walk)
9. It (rain) _____________ very much in the United States.
_____________ to school.
16. Almost everyone (work) _____________ very hard.
17. This book (belong) _____________ to me.
18. My brother often (see) _____________ you and your sister at the supermarket.
19. Mr. Brown (teach) _____________ us English.
20. Please quiet! The baby (sleep) _____________
21. Listen! Someone (knock) _____________ at the door.
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22. Look! The train (come) _____________
23. My father (have) _____________ breakfast at present.
24. You should (learn) _____________ hard to please your parents.
25. You shouldn’t (smoke) _____________ cigarettes.
26. We should (collect) _____________ spare cans and waste paper.
27. People should ( eat) _____________ a lot of fruit and vegetables.
28. What (be) _____________ their jobs?
29. What (your parents / do ) _____________________ in their free time?
30. My sister can (play) _____________ the piano.