`2,` does she (S + don't/doesn't + V-inf , do/does + S?)

`3,` did it (S + didn't + V-inf , did + S?)

`4,` should he (S + shouldn't + V-inf , should + S?)

`5,` could she (S + couldn't + V-inf , could + S?)

`6,` are you (S + is/am/are + not + V-ing , isn't/aren't + S?)

`7,` would you (S + wouldn't + V-inf , would + S?)

`8,` had he (S + hadn't + Ved/V3 , had + S?)

`9,` were they (S + was/were + not ... , was/were + S?)

`10,` would you (S + wouldn't + V-inf , would + S?)

`@` Câu hỏi đuôi (Tag questions)

`-` Mệnh đề chính thể khẳng định thì phần đuôi thể phủ định (và ngược lại)

`-` Chủ ngữ ở phần đuôi phải là đại từ. (I,we,you,they,he,she,it)

`-` Phần đuôi thể phủ định phải viết tắt.

`@01042008` 

Đáp án+Giải thích các bước giải:

2. She doesn't believe you, does she ?

( S + doesn't + V + ... , am/is/are/does/do + S ? )

3. It didn't matter very much, did it ?

( S + didn't + V ... , did + S ?  )

4. He shouldn't put so much salt in it, should he ?  

( S + Modal Verbs + not + V + ..., Modal Verbs + S ? )

5. Mary couldn't leave the children alone, could she ?

( S + Modal Verbs + not + V + ..., Modal Verbs + S ? )

6. You aren't doing anything tonight, are you ?

( S + tobe + not + V+ing + ..., tobe + S ? )

7. You wouldn't mind helping me with this, would you ?

( S + Modal Verbs + not + V + ..., Modal Verbs + S ? )

8. George hadn't been there before, had he ?

 ( S + had + not + V3/ED + ..., had + S ? )

9. The children weren't surprised, were they ?

( S + Modal Verbs + not + V + ..., Modal Verbs + S ? )

10. You wouldn't like another drink, would you ?

( S + Modal Verbs + not + V + ..., Modal Verbs + S ? )