Ex1: Chia động từ trong ngoặc ở thì thích hợp :
1. He often =-... (go) to school on foot.
2. It =-...(rain) very hard now.
3. The sun =-...(warm) the air and =-...(give) us light.
4. Look! A man =-...(run) after the train.
5. She =-...(go) to school everyday.
6. Bad students never =-...(work) hard.
7. It often =-...(rain) in the summer. It =-...(rain) now.
8. The teacher always =-...(point) at the black – board when he =-...(want) to explain something.
9. Mother =-...(cook) some food in the kitchen at the moment, she always =-...(cook) in the morning.
10. I always =-...(meet) him on the corner of this street.
11. Where you =--(go) now? – I =-...(go) to the theater.
12. He =-...(not do) morning exercises regularly.
13. he ===-(do) morning exercises now?
14. Water =-...(boil) at 100 degrees centigrade.
15. He =-. (meet) the dentist next week.
16. You--. =-.(be) a good student?
17. They -- usually =. (not go) to school by motorbike.
18. He =... (swim) overthere now.
19. She =-.(come) here next month.
20. They =-- (not be) doctors.
