1,→ He told her that her was his friend

 2→ Johnny told his mother that he didn't know how to do that exerise

3→ My friend asked if I was going to leave the following day

4→ The children said they are waiting for the school bus

5→John said he had finished studying his lesson

6→My mother asked if i had done my homework

7→Lan asked why i didn't answer her call

 8→He says he very tired and he want to go home

 9 →My teacher said she hoped i would get good marks the next examination

10→The boss asked his secretary if him wanted he to help him

 11→Mrs Carol said her family was very poor

 12→My brother asked me where i went with my friend that night

 13→she told Tom his mother was looking for him because she wanted him to take her to her office

14→our father asked if we had seen that....

15→ Jane told me she would bring back to me some... when she visited Paris

Còn lại bạn áp dụng công thức chuyển tiếp nhá chứ dài quá

 #1. S + asked /wanted to know+ if/ whether + S + V ( lùi thì ) + O 

#2. S + asked / wanted to know + wh + S + V (lùi thì) + O 

*Chắc mình làm sẽ có câu sai nhớ check lại