Bài tập 1: Chọn đúng thì của các câu sau:

1. I saw/ was seeing the accident when I was waiting for the taxi.

2. What were you doing/ did you do when I phoned?

3. They didn't visit/ weren't visiting their friends last summer holiday.

4. It rained/ was raining heavily last July.

5. While people were talking to each other, he read/ was reading his book.

6. Chris was eating/ ate pizza every weekend last month.

7. While we were running/ run in the park, Mary fell over.

8. Did you find/ Were you finding your keys yesterday?

9. Who was she dancing/ did she dance with at the party last night?

10. They were watching/ watched football on TV all day.

Bài tập 2: Tìm các lỗi sai trong các câu sau:             

1. I was play football when she called me.

________________________________________________________

2. Wasyoustudy Math at 5 p.m. yesterday?

_______________________________________________________

3. What was she do while her mother was making lunch?

___________________________________________

4. Where did you went last Sunday?

____________________________________________________________

5. They weren't sleep during the meeting last Monday.

______________________________________________

6. He got up early and have breakfast with his family yesterday morning.

_______________________________

7. She didn't broke the flower vase. Tom did.

_____________________________________________________

8. Last week my friend and I go to the beach on the bus.

____________________________________________

9. While I am listening to music, I heard the doorbell.

_______________________________________________

10. Peter turn on the TV, but nothing happened.

__________________________________________________

Bài tập 1: Chọn đúng thì của các câu sau:

1. I saw/ was seeing the accident when I was waiting for the taxi.

2. What were you doing/ did you do when I phoned?

3. They didn't visit/ weren't visiting their friends last summer holiday.

4. It rained/ was raining heavily last July.

5. While people were talking to each other, he read/ was reading his book.

6. Chris was eating/ ate pizza every weekend last month.

7. While we were running/ run in the park, Mary fell over.

8. Did you find/ Were you finding your keys yesterday?

9. Who was she dancing/ did she dance with at the party last night?

10. They were watching/ watched football on TV all day.

Bài tập 2: Tìm các lỗi sai trong các câu sau:             

1. I was play football when she called me.

________________________________________________________

2. Wasyoustudy Math at 5 p.m. yesterday?

_______________________________________________________

3. What was she do while her mother was making lunch?

___________________________________________

4. Where did you went last Sunday?

____________________________________________________________

5. They weren't sleep during the meeting last Monday.

______________________________________________

6. He got up early and have breakfast with his family yesterday morning.

_______________________________

7. She didn't broke the flower vase. Tom did.

_____________________________________________________

8. Last week my friend and I go to the beach on the bus.

____________________________________________

9. While I am listening to music, I heard the doorbell.

_______________________________________________

10. Peter turn on the TV, but nothing happened.

__________________________________________________