`a)` Yes, he did 

`b)` Yes, he did 

`c)` No, I didn't

`d)` No, they didn't

`e)` Yes, she did 

`f)` Yes, they did 

* Cấu trúc Yes/No questions ở thì QKĐ:

- To be:

$(?)$ Was/Were + S..... $?$

`->` Answers:

 Yes, + S + was/ were 

 No, S + wasn't/ weren't

$(?)$ Did + S + V + O $?$

`->` Answers:

 Yes, + S + did 

 No, S + didn't

$\text{#maingoctranthi}$

Đáp án:

a) Yes, he did.

b) Yes, he did.

c) No, I didn't

d) No, they didn't

e) Yes, she did.

f) Yes, they did.

Giải thích:

*Cấu trúc câu hỏi ở thì QKĐ:

`-` Động từ tobe:

`?`) Tobe + S+ O?

`->` Yes+ S + was/ were

`->` No+ S + was/ were+ not.

`?) Did + S + V + O ?

`->` Yes+ S + did

`->` No+ S + did+ not.