She asked me if I could  meet her at the station

The teacher wanted to know who knew the question

She wanted to know why he didn't help her

He asked me if i had seen that car

The mother asked the twins if they had tidied up their room

Câu tường  thuật ở dạng câu hỏi WH+S+V(LÙI THÌ)

Can ->could

must -> had to

Thì QKĐ lùi về QKHT

HTHT lùi về QKHT

6. She asked me if I could meet her at the station

7. The teacher wanted to know who knew the answer

8. She wanted to know why she didn't help her

9. He asked me if I had seen that car

10. The mother asked the twins if they had tidied up their room

*Statement:

S + said + (that) + S + V

S + said + to + O + (that) + S + V

S + told + O + (that) + S + V

*Yes - No question: S + asked + (O) + if/ whether + S + V

*Wh - question: S asked + (O) + question word + S + V

*Lùi thì:

QKĐ → QKHT

HTĐ → QKĐ

HTHT → QKHT

HTTD → QKTD

QKTD → QKHTTD

will → would

can → could

may → might 

must → had to