1.    Mary (sit usually)…………………………in the front row during class, but now she (sit)………………….in the last row.

2.    Please be quite! I (try)…………………………..………..to concentrate on my lesson. (tập trung)

3.    Listen! She (sing)………………………….…….an English song.

4.    My father (draw)……………………………. this picture since 1990.

5.    Don’t make noise!. I (talk)………………………………….on the phone.

6.    Up to the present, I (do)………………………….……..good work in this class.

7.    At present, The writer (write)…………………………….a love novel.

8.    Listen! I think someone (knock)……………..…………….at the door.

9.    They (not finish)……………………………..that house yet.

10. They (already repair)……………………………….my car.

11. He (turn)………………………… on TV and lights for two hours.

12. We (be)………………….classmates.

13. Look! The children (play)……………..………………tennis in the yard.

14. My father always (go)…………………….……..…to work by motorbike.

15. She (be).................................at school now.

16. The girls (eat )…………………………..breakfast at the canteen now

17. Jack (look)……………………..no trouble with my English lesson up to now.

18. I (go)……………………to school six days a week.

19. Miss Lien (play)………………………………the guitar at the moment

20. I am sorry. I (forget)…………………………….that woman’s name already.

21. He (write)………………………………..this letter for half an hour.

22. She and he (learn )…………………………….English at this time.

23. The workers often (work)……………………………in the factory.

24. They (already post)………………………………. that letter.

25. He (watch)………………………….. an interesting film on the TV now.

26. She (teach)………………………………. us English for five years.

27. She sometimes (buy)………………………..food at the supermarket.

28. I and he (be)…………………good friends.

The girls (like)…………………..playing skipping