`1.` She asked me where I had bought the car.

Dạng câu hỏi tường thuật WH-word

`@` S + asked + (O) /wanted to know/wondered  + Wh-word + S + V (lùi thì)

`-` QKĐ `->` QKHT

`2.` She asked Nam not to play near the road.

Dạng câu mệnh lệnh, yêu cầu :

`@` S + told/asked + O + (not) to V

`3.` Lan said that she had to practice speaking every day.

Câu gián tiếp :

`@` S + said (that)/told (+O) + S + V (lùi thì)

`-` must/have to `→` had to

`4.` Hoa said that she had gone to Da Nang the previous summer.

Câu gián tiếp :

`@` S + said (that)/told (+O) + S + V (lùi thì)

`-` QKĐ `->` QKHT

`-` last `->` the previous

`5.` How long have you learned English ?

`-` How long : bao lâu (thời gian/dài bao nhiêu)

`@` HTHT (?) : (wh-question) + have/has + S + V_ed/3 ?

`->` hành động kéo dài từ qk đến ht