9. His father asked Ha not to touch that button or she would get a shock

10. My friend said that she had to go to Hanoi that day

11. My teacher said that the sun risen in the east and set in the west

12. My friend said that she had already written that letter

13. Carol told me that she would ask Mr. Wilson about that lesson the next day

14. Her friend told her that she didn't understand those lessons carefully 

15. Mr. Quang said that he had to left then

16. Charles told Jane that he had to left the office before 3.30 pm

17. Mary and John said that they didn't know those two girls very well

18. Jimmy told Maryam that he had given her that bike twice

*Statement:

S + said + (that) + S + V

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

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

*Commands: S + told/ asked + O + (not) + to V

*Lùi thì:

QKĐ → QKHT

HTĐ → QKĐ

HTHT → QKHT

HTTD → QKTD

QKTD → QKHTTD

will → would

can → could

may → might 

must → had to