1. At 7 p.m yesterday, I ( have ) …was having………… dinner with my family.

2. They ( build ) ……have built…….. this hospital since last December.

3. What …did……your father ( do) ……do……. at this time yesterday? He (watch) ……watched…TV

4. Were They(practice) …practicing………( rehearse ) …rehearsing………a play at 5p.m last Sunday? No, they …weren't.. They ( sing ) ………were singing…….English songs.

5. I don’t think I (go)………will go………………………… out tonight. I’m too tired.

6. Where…đid…….. you (used )use………(spend)……spend………... your summer holiday , Tam ?

7. In my country it (not rain)……………………doesn't rain………………… much in winter.

8. I (not know)…………don't know………. how to dance when I (be)…was……... six years old.

9. My father (not like)……………didn't like……………… drinking beer but yesterday he (have)…had….. two big glasses of beer because he (be)………was……. happy to receive my mother’s news.

10. Last week I (send)……sent………. Mary a letter but she (not reply)………didn't…reply……since then and I (be)……am…………. very sad now.

11. My parents (help)…was helping… me ( do ) ……did…….my homework at 8p.m yesterday.

12. Paul (be)…is………. used to ( speak ) ……speaking………… outside the class. 13. …Have………..you ever ( see ) ……seen………. Hippos?

14. Mai ( guide ) ……………guides….. the tourists how ( buy ) ……to buy…….. tickets in the museum at 9a.m yesterday.

15. What ……were……the students in class 7A ( do ) ………doing…. at this time last Monday?

1. was having

2. have built

3. was your father doing - was watching

4. Were they practicing - were rehearsing - weren't - were singing

5. will go

6. did you spend

7. doesn't rain

8. didn't know - was

9. doesn't like - had - was

10. sent - didn't reply - am

11. were helping - was doing

12. is - speak

13. Have you ever seen

14. was guiding - was buying

15. were - doing