1. He said that he couldn't find his hat

2. She said that she was going to the movies the next day

3. Lan told me that I was looking much better

4. She says the river is rising early this year

Động từ tường thuật (say) không ở dạng quá khứ nên câu không lùi thì

5. She told me that she would do it if nescessary she could

6. He asked his friend that if he had seen the accident the day before 

7. John asked me that how I had come there

8. He asked Nam that if he had finished his task 

9. He said that the day before he had met Nam. He had bought a new car

10. She asked me who this book was

*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

HTHTTD → QKHTTD

will → would

can → could

may → might 

must → had to

shall → should

be going to → was/ were going to