`5.` She asked him if she might borrow his tennis racket

`-` may `->` might

`6.` She asked Ha if she was coming to the party that night

`-` lùi thì: HTTD `->` QKTD

`-` tonight `->` that night

`7.` She asked Ha if she could borrow her pen

`-` can `->` could

`8.` She asked her Mum if she knew where her tennis racquet was

`-` lùi thì: HTĐ `->` QKĐ

`9.` She asked her secretary if Ha had been at work the day before

`-` lùi thì: QKĐ `->` QKHT

`-` yesterday `->` the day before/ the previous day

`______________________`

`@` Câu gián tiếp dạng Yes/No question:
S + asked/wondered/ wanted to know + (O) + If/Whether + S + V(lùi thì)

`5,` She asked him if she might borrow his tennis racket

`->` Lùi thì : may `->` might

`->` Đổi ngôi : I `->` she ; your `->` his

`6,` She asked Ha if she was coming to that party that night

`->` Lùi thì : HTTD `->` QKTD

`->` Đổi ngôi : you `->` she

`->` Đổi thời gian : tonight `->` that night

`7,` She asked Ha if she could borrow her pen

`->` Lùi thì : can `->` could

`->` Đổi ngôi : you `->` she ; your `->` she

`8,` She asked her Mum if her Mum knew where her tennis racquet was

`->` Lùi thì : HTĐ `->` QKĐ

`->` Đổi ngôi : you `->` her Mum ; my `->` her

`9,` She asked her secretary if Ha had been at work the day before

`->` Lùi thì : QKĐ `->` QKHT

`->` Đổi thời gian : yesterday `->` the day before

__________________________________________-

`@` GT - Yes/No : S + asked (+ O)/wanted to know/wondered + if/whether + S + V(lùi thì/đổi ngôi)