Put the verbs in the correct tense: They often (visit) their parents on Saturday. He (not be) at home now. Our teacher usually (give) us many exerrsices. The sun (warm) the air and (give) us light

I) Put the verbs in the correct tense
1. They often (visit) their parents on Saturday.
2. He ( not be) at home now.
3. Our teacher usually (give) us many exerrsices.
4. The sun (warm) the air and (give) us light.
5.The teacher always (point) at the black-board when he (want( to explain ssomething.
6. i always (meet) him on the cornner of this street.
7. He ( not do) morning exersices regularly.
8. Water (boil) at 100 defrees centigrade.
9. What time he ( get up)?
10. Miss White's students ( not be) big.
11 Lan's brothers (be) doctor?
12. Nam's father (be) Mai's teacher.
13. Mai and Hoa ( not be) Mr Tam's students.
14. You and I (be) good friends.
15. Every morning Lan ( not do) morning exercises.
16. I (not go) to school at 6.30 every day.
17. He (brush) his teeth every morning.
18. Mai ( get) dressed at 6.50 every morning.
19. Hoa ( not go) to school by bus every day.
20. What you and your brother (do) in the morning?
II) Change these sentences into plural
1. There is a box under the table (2)
2. He is an old man.
3. That woman often goes to work by car.
4. This man has a happy family.
5. Do this boy have a pet? (some)
6. What do that woman do? She is a policewoman.