1. Did you go to her birthday last night?

-> "last night" là DHNB của thì QKĐ

2. Did Anna and Susan visit their grandparents last month?

-> "last month" là DHNB của thì QKĐ

3. Did you have fun at the party?

4. Did he go swimming yesterday?

-> "yesterdayt" là DHNB của thì QKĐ

5. Did they sing and dance at the party?

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QKĐ:

- Cấu trúc:

(+): S + V_ed/V_bpt

(-): S + didn't + V1

(?): Did + S + V1?

DHNB: last (night/month/week), yesterday, on/in/at (thời gian trong quá khứ), already, ...

@Ka

1. Did you go to her birthday last night ?
2. Did Anna and Susan visit their grandparents last month ?
3. Did you have fun at the party ?
4. Did he go swimming yesterday ?
5. Did they sing and dance at the party ?

- Hành động đã xảy ra trong quá khứ và đã chấm dứt .

=> Quá khứ đơn : Did + S + V-inf + O ... ?