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

`1`. I asked him if/ whether he would the poor children with their study the next year.

`-` Đổi ngôi: you `->` he

`-` Động từ lùi thì: will `->` would

`-` Trạng từ: next year `->` the next year/ the following year/ the year after 

`2`. The police asked Mr. Lloyd if/ whether he had been driving his car when he had had an accident.

`-` Đổi ngôi: you `->` he

`-` Động từ lùi thì: were driving `->` had been driving ( QKTD `->` QKHTTD), had `->` had had ( QKĐ `->` QKHT)

`-` Tính từ sở hữu: your `->` his

`1` I asked him if he would help the poor children with their study the following year

`->` will - would 

`->` next year - the following year

`2` The police asked Mr.Lioyd if he had been driving his car when he had had an accident

`->` you - he 

`->` QKTD - QKHTTD (were you driving - had been driving)

`->` QKĐ - QKHT (had - had had) 

`@` Câu tường thuật dạng Yes/No-Questions:

`=` S + asked/wondered/wanted to know... + (O) + if/whether + S + V(lùi về một thì) 

`@H`