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14 tháng 7 2021

I. Verb tenses

1. My friend (thank) thanked me for what I had done for him.

3. I’m sure that I (recognize) have recognized him.

4. He (lose) lost his job last month and since then he (be) has been out of work.

5. I (never forget) will never forget what you (just tell) have just told me.

6. When I last (stay) stayed in Cario, I (ride) rode to the Pyramids on a camel that my friend (borrow) had borrowed the day before.

7. I see that Tom (write) is writing his composition.

8. He says that he (look) will look for a job next week.

8. They think he (be) was here last night.

9. He tells us that he (be) has been to the mountain before.

10. The student who answered the question (be) is John.

11. Mary (have) was having dinner wheb her friend called.

12. I'll wait until he (finish) has finished his novel.

13. When you (come) came back, he already (buy) has already bought new house.

14. Don't come until I (finish) have finished lunch.

15. I (hope) hope it (stop) will have stopped raining by 5 o'clock this afternoon.

16. The river (not begin) won't begin to swell until some rain (fall) falls.

17. By the next month I (leave) will have left for India.

18. The film (end) had ended by the time we (get) got there.

19. I (give) will give her your letter wwhen I (see) see her tomorrow.

20. Shut all the windows before you (go) go out.

21. He is saving his money so that he (take) can take a long vacation.

22. I had done what (be) was necessary.