Rewrite sentences in reported speech with question word + to-infinitive

4. She asked when she had to turn off the oven

5. He asked what he should look for in the book

6. Linda wondered what she should review first for the coming test

7. She wondered if she should tell him the truth

8. He asked where he put this bottle

9. They wondered if they left now or later

10. She asked me what she should do to apply for that job

=> Chuyển sang gián tiếp với WH-qus: S+asked/wondered...+mệnh đề lùi 1 thì

=> chuyển sang gián tiếp với câu hỏi yes/no: S+asked/...+if/whether+Mệnh đề lùi 1 thì

`4.` She couldn't remember when to have to turn off the oven

`5.` He asked what to look for in the book

`6.` Linda wondered what to review first for the coming test

`7.` She wondered whether to tell him the truth

`8.` He asked where to put that bottle

`9.` They wondered whether to leave then or later

`10.` She asked me what to do to apply for that job

*Yes - No question: 

S + reporting V + (O) + whether + to + V_inf 

*Wh - question:

S + reporting V + (O) + question word + to + V_inf