cấu trúc (1) : s + say (s)/tell + (that) + s + v

cấu trúc (2) : s + asked (+o) + if/whether + s + v 

notes : động từ chính trong câu gián tiếp thường say/tell và said/told ở thể quá khứ

1. their mother told them not to make so much noise

2. the traffic policeman asked me to show him my driving licence

3. mr john asked ben if he could give him a hand

4. the lifeguard told the boys not to swim out too far

5. nam asked the taxi driver to turn left at first traffic light

6. she told her son to go straight upstairs and get into bed

7. my teacher told us not to touch anything in the room

8. mary asked john if he could carry her schoolbag

9. mr john told david not to leave the door unlocked 

10. i asked my neighbors if they would turn the music down