`-` Tường thuật NV ( Yes / No ) :

`=>` S + asked + O + if / whether + S + V ( lùi thì )

`-` HTHT `->` QKHT : S + had + VpII

`-` TLĐ `->` TLTQK : S + would + V

`-` Can `->` Could

`-` Would `->` Would

`2`.The police asked Mr.Lloyd if he had lost his umbrella on the bus

`3`.Polly asked Ben whether he would help him with my homework

`4`.Mum asked me if I could see that beautiful picture in her book

`5`.The teacher asked Tim whether he would have the report completed by next Thursday

`\text{# TF}`

`-` Câu tường thuật: Yes/ No-question: S+ asked+ O+ if/ whether+ SVO

`2`. The police asked Mr. Lloyd if/ whether he had lost his umbrella in the bus.

`-` Đổi ngôi: you `->` he

`-` Động từ lùi thì: have lost `->` had lost

`-` Tính từ sở hữu: your `->` his

`3`. Polly asked Ben if/ whether he would help her with her homework.

`-` Đổi ngôi: you `->` he

`-` Tân ngữ: me `->` her

`-` Tính từ sở hữu: my `->` her

`4`. Mum asked me if/ whether I could see that beautiful picture in her book.

`-` Đổi ngôi: you `->` I

`-` Động từ lùi thì: can `->` could

`-` Tính từ chỉ định: this `->` that

`-` Tính từ sở hữu: my `->` her

`5`. The teacher asked Tim if/ whether he would have the report completed by next Thursday.

`-` Đổi ngôi: you `->` he

`-` Động từ lùi thì: will `->` would