Cho dạng đúng của thời:
1. My neighbor always (borrow) money, but he lives like a king.
2. Mary asked her mother wheter she (play) with Tom.
3. Reading in a poor light (injure) the eyes.
4. Most students (work) hard for the last few weeks before the exams.
5. This drink (make) from fresh fruit and sugar.
6. If you had locked the gate properly, the robbers (not break) into the house.
7. Put on your sweater, otherwise you (catch) cold.
8. The angry boy ran out of the room (slam) the door as he went.
9. You (be) to NY? - I (be) there twice.
10. Where is your mother? - She (go) shopping. And she (not come) back yet.
11. Mr and Mrs. Kelly (be) married since 1970.
12. Where you (be) - I (wait) for you for 20 minutes.
13. I (work) on computer all this morning.
14. John (be) in hospital since May 13. By the end of this week he (be) there for three weeks.
1 borrows
2 was playing
3 injures
4 work
5 is made
6 wouldn't have broken
7 will catch
8 slamming
9 Have you been - have been
10 is going - hasn't come
11 have been
12 are - have been waiting
13 have been working
14 has been - will have been