was sooning - sooned 

was coming - came 

while => when 

was happening => happened 

drove => was driving 

since => when 

was going => went 

was => will (có was pick in nghiêng nguyên cụm k ta, nếu in nguyên cụm was pick thì sửa thành will be picking :D) 

comes => came 

another places => other places

1. The crowd was shouting excitedly when Nam was scoring => scored a goal

2. When the teacher was coming => came into the clssroom, we were discussing our poject

3. While her mother arrived => was arriving home, it was raining heavily

4. The accident was happening => happened when it got dark

5. I drove => driving to work when I suddenly met an old friend

6. We were watching Tv when the power was going out => went out.

7. I will pick you off => up at your hotel at 7o'clock tomorrow morning

8. My mother was preparing dinner when my father comes => came home

9. Yesterday when => while my father was visiting Nha Rong Harbor, I was going shopping

1a

Tìm lỗi sai

The crowd was shouting excited when Nam was scoring a goal

excited➜excitedly

1. He was planting trees in the garden at 4 pm yesterday.

- He wasn't planting trees in the garden at 4 pm yesterday.

- Was he planting trees in the garden at 4 pm yesterday?

Yes, he was./ No, he wasn't.

2. They were working when she came yesterday.

- They weren't working when she came yesterday.

- Were they working when she came yesterday?

Yes, they were./ No, they weren't.

3. She was painting a picture while her mother was making a cake.

- She wasn't painting a picture while her mother was making a cake.

- Was she painting a picture while her mother was making a cake?

Yes, she was./ No, she wasn't.

4. Anne was riding her bike to school when Peter saw her yesterday.

- Anne wasn't riding her bike to school when Peter saw her yesterday.

- Was Anne riding her bike to school when Peter saw her yesterday?

Yes, she was./ No, she wasn't.

5. He was typing a letter when his boss went into the room.

- He wasn't typing a letter when his boss went into the room.

- Was he typing a letter when his boss went into the room?

Yes, he was./ No, he wasn't.

1.  He was planting trees in the garden at 4 pm yesterday

..He wasn't planting trees in the garden at 4 pm yesterday.....

.....Was He planting trees in the garden at 4 pm yesterday?......

.....Yes,he was....

1. We were climbing in the mountain when it started to rain

2. Jack was talking to his friends when the ball hit his head.

3. While the boys were playing soccer, the girls were dancing.

Giúp với ạ :(

--> While our friends were playing soccer in the yard, my uncle came.

11. They …….tea when the doorbell …….. A. have/is ringing B. were having/rang C. had had/ rang D. having/ringing

Một hành động đang xảy ra thì có một hành động khác chèn vào < QKTD_ QKĐ >

12. Father ……his pipe while mother ……a magazine. A. smoked/read C. had smoked/read B. was smoking/was reading D. smoking/reading => Hai hđ đag xảy ra song song đồng thời trong quá khứ

13. When I …..into the office, my boss ……for me. A. came/was waiting B. was coming/waited C. had come/waited D. came/waiting

14. When I ……John, he ……across the road. A. see/ walks B. see/was walking C. saw/was walking D. saw/is walking

15. When he ……, we …… dinner. A. arrived/having B. arrived/were having C. was arriving/had D. had arrived/had

16. While they ……chess, we …….the shopping. A. playing/doing B. were playing/doing C. played/did D. were playing/were doing

17. They …….football when the lights in the stadium ……out. A. were playing/went B. played/was going C. were playing/ was going D. playing/went

18. While George and John …..their room, she ……the ironing. A. cleaning/doing B. were cleaning/was doing C. were cleaning/doing D. cleaning/was doing

19. While I ……TV last night, a mouse ran across the floor. A. watch B. watched C. was watching D. am watching

20. While George and John …..their room, she …….the ironing. A. cleaning/doing B. were cleaning/was doing C. were cleaning/doing D. cleaning/was doing