`1`. I asked Nick where he was going.

- Đổi ngôi : you `->` he

- Lùi thì : Hiện tại tiếp diễn `->` Quá khứ tiếp diễn $(+)$ S + was/ were + V-ing

`2`. He asked me how long I was going to stay there.

- Đổi ngôi : you `->` I

- Lùi thì : Tương lai gần `->` was/ were + going to V

- here `->` there

`3`. He asked them who they would see before they left there.

- Đổi ngôi : you `->` they

- Lùi thì : will `->` would , Hiện tại đơn `->` Quá khứ đơn

- here `->` there

`4`. They asked him what time the train started

- Lùi thì: Hiện tại đơn `->` Quá khứ đơn

`5`. Ann asked Peter when he had left London.

- Đổi ngôi : I `->` he

- Lùi thì : Quá khứ đơn `->` Quá khứ hoàn thành

* Câu tường thuật với WH-question : S + asked/ wanted to know/ wondered/... + (O) + WH-word + S + V (lùi thì)

`-` Tường thuật NV ( Wh ) :

`=>` S + asked + O + wh + S + V ( lùi thì )

`-` HTĐ `->` QKĐ : S + Ved / V2

`-` HTTD `->` QKTD : S + was / were + V-ing

`-` QKĐ `->` QKHT : S + had + VpII

`-` TLĐ `->` TLTQK : S + would + V

`-` TLG `->` TLQKG : S + was / were + going to do sth

`1`.I asked Nick where he was going

`2`.He asked me how long I was going to stay there

`3`.He asked them who they would see before they left there

`4`.They asked him what time the train started 

`5`.Ann asked Peter when he had left London

`\text{# TF}`