`-` 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

`17`.She asked me if I could meet her at the station

`18`.She asked me if I could speak Chinese

`19`.She asked me whether I would come to her house watming party the following week

`20`.He asked his friend whether it would rain the following morning

`21`.Tam wondered whether she would be there for five days

`22`.He asked me whether I had seen his car

`23`.The sender asked me if my sister had gone out

`24`.My father wanted to know if I had called my mom yet

`\text{# TF}`

Đáp án:

$17.$ She asked me if I could meet her at the station.

$18.$ She asked me if I could speak Chinese.

$19.$ She asked me whether I would come to her house watming party the next week.

$20.$ He asked his friend whether it would rain the next morning.

$21.$ Tam wondered whether she would be there for five days.

$22.$ He asked me whether I had seen his car.

$23.$ The sender asked me if my sister had gone out.

$24.$ My father wanted to know if I had called my mom yet.

`-----------------`

Câu tường thuật dạng NV (Yes/No-Question) `:`

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

Lùi thì:

`-` HTHT `->` QKHT $(+)$ S + had + V3 / PII

`-` TLĐ `->` TLQK $(+)$ S + would + V

`-` Can `->` Could