2. 

1. She wrote to me.

$\Rightarrow$ (-) She didn't write to me.

$\Rightarrow$ (?) Did she write to me ? Yes, she did/ No, she didn't

2. They walked home.

$\Rightarrow$ (-) They didn't walk home.

$\Rightarrow$ (?) Did they walk home ? Yes, they did/ No, they didn't

3. We ate breakfast.

$\Rightarrow$ (-) We didn't eat breakfast.

$\Rightarrow$ (?) Did we/you eat breakfast ? Yes, we did/ No, we didn't

4. I bought a magazine.

$\Rightarrow$ (-) I didn't buy a magazine.

$\Rightarrow$ (?) Did I buy a magazine ? Yes, I did/ No, I didn't

5. He sold his laptop.

$\Rightarrow$ (-) He didn't sell his laptop.

$\Rightarrow$ (?) Did he sell his laptop? Yes, he did/ No, he didn't

Công thức :

(+) S + V(ed)/cột II bảng phân từ

(-) S + didn't + V 

(?) Did + S + V ?

@Gao gửi ạ !

#chucbnhoktot#

`1.` 

`(-)` She didn't write to me.

`(?)` Did she write to me?

Yes, she did

No, she didn't

`2.`

`(-)` They didn't walk home.

`(?)` Did they walk home?

Yes, they did

No, they didn't

`3.` 

`(-)` We didn't eat breakfast.

`(?)` Did we eat breakfast?

Yes, we did

No, we didn't

`4.` 

`(-)` I didn't buy a magazine.

`(?)` Did you buy a magazine?

Yes, I did

No, I didn't

`5.`

`(-)` He didn't sell his laptop.

`(?)` Did he sell his laptop?

Yes, he did 

No, he didn't

*Cấu trúc thì quá khứ đơn:

`(+)` S + V2(ed/BQT) + O.

`(-)` S + did + not + V(inf) + O.

`(?)` Did + S + V(inf) + O?

Yes, S + did

No, S + did + not