1. was watering

2. is taking

3. didn't stay

4. did

5.  files

6. will do

7. was you doing

8. is repairing

9.  were learning.

10. did

- Dựa vào cấu trúc:

1. Thì QKĐ tiếp diễn: S + was /were + V-ing...

2. Thì HTTD: S + am/is/are + V-ing...

3. Thì HTĐ: S + Ves/s...

4. Câu điều kiện loại 2: If + S + Ved/V2.... S +would/could/should + V....

1. Marry (water) WAS WATERING the flowers at 3:00 pm yesterday.

- DHNB : 3:00 pm yesterday

- thì quá khứ tiếp diễn :  S + was/were + V-ing

2. 2. Look! The man ( take) IS TAKING the children to the cinema.

- DNHB : look

- thì hiện tại tiếp diễn : S + is/am/are + V-ing

3. My brother (not / stay)  DIDN'T STAY at home if he passed the entrance exam.

4. I (do) AM DOING my housework when he called last night.

5. He (fly) FLIES to Spain every summer.

- DHNB : every summer 

- thì hiện tại đơn : S + V-s/es

6. What you (do) ____________________ if you were in my shoes?

7. What (you/do) WAS YOU DOING at 5 pm yesterday?

- DHNB : 5 pm yesterday

- thì quá khứ tiếp diễn : S + was /were + V-ing

8. IS Your motorbike ( repair) REPAIRING by your father at the moment?

- DHNB : at the moment 

- thì hiện tại tiếp diễn : S + is/am/are + V-ing

9. At this time last year we (learn) WERE LEARNING English in London.

10. What she (do) DID if she knows the news?

~ GOOD LUCK ~