`\text{1. }`The policeman asked the boy if/whether he had really seen that happen with his own eyes.

- Quá khứ đơn => Quá khứ hoàn thành

- you => he

- this => that

- your => his

`\text{2. }`He asked her if/whether she had watched the detective film on TV the day before

- Quá khứ đơn => Quá khứ hoàn thành

- you => she

- yesterday => the dau before

* Cấu trúc câu gián tiếp ( Yes- No question): S+ asked+ O+ if/whether+ S+ V(lùi thì)

$\text{# themoonstarhk}$

`1.` The policeman asked the boy whether he had really seen that happen with his own eyes 

`2.` He asked her if she had watched the detective film on tv the day before 

_________________________

`@` Áp dụng:

`-` Câu trường thuật:  

`->` Câu hỏi yes no:  

`->` S + asked + (O)+ wanted to know/wondered + if/whether + S + V + ....