`1`. Charlie didn't play the guitar.

`2`. Molly and her friends didn't listen to music.

`3`. Mrs. Jones didn't cook the party food.

`4`. Grandpa didn't laugh a lot.

`5`. Mr. Jones didn't watch TV.

`6`. Harry didn't want to drink.

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Cấu trúc thì QKĐ:

`+)` S + V_ed/c2...

`-)` S + didn't + V_inf...

`?)` (Wh) + Did + S + V_inf...?

1. Charlie didn't play the guitar

2. Molly and her friends didn't listen to music

3. Mrs. Jones didn't cook party food

4. Grandpa didn't laugh a lot

5. Mr. Jones didn't watch TV

6. Harry didn't want to drink

Thì QKĐ :

- Động từ thường :

(+) S + Ved/V2 + O

(- ) S + didn't + Vinf + O

(? ) Did + S + Vinf + O ?

- Tobe :

(+) S + was/were + O

(- ) S + was/were + not + O

(? ) Was/were + S + O ?

- DHNB: Last + ngày, tháng, năm trong quá khứ; Yesterday; Ago;......