1. I saw her yesterday.

2.  I didn't see her yesterday.

3. I wasn't a good student when I was 10 years old.

4. You saw her last week?

5. Did you sick last Monday?

6. They played music in 1998.

7. They didn't play music two days ago.

8. They played music when they were young?

9. They weren't musicians last summer party.

17. We got up late yesterday morning.

18. Martha didn't phone me yesterday.

19. She had a great time five days ago.

Cấu trúc thì Quá Khứ Đơn:

+ S + was/ were +...

- S + was/ were + not

? Was/ Were + S +…?

-----

Cho Yu xin ctlhn nếu dc ạ!

#Yu

`1.` saw

- Thì QKD: yesterday

`2.` didn't see

- thì QKD: yesterday

`3.` wasn't - was

- thì QKD: MĐQK: when + QKD

`4.` Did you see

- Thì QKD: last week

`5.` Were 

- Thì QKD: last Monday

`6.` played

- Thì QKD: in 1998

`7.` didn't play

- thì QKD: two days ago

`8.` Did they play - were

- thì QKD: Như câu 3 

`9.` weren't

- Thì QKD: last summer

`17.` got

- thì QKD: yesterday morning

`18.` didn't phone

- thì QKD: yesterday 

`19.` had

- thì QKD: five days ago