Cấu trúc câu tường thuật với dạng nghi vấn yes/ no: S + asked/ wondered/ wanted to know + if/ whether + S + V + O

$11.$ I asked where she/ they/ he lived.

→ Lùi thì câu tường thuật: Thì hiện tại đơn ⇒ Quá khứ đơn

$12.$ He asked why he /she was crying.

$13.$ I asked why he/she hadn’t come.

→ Thì QKĐ ⇒ QKHT

$14.$ They asked what we played.

$15.$ We asked what he had seen.

→ Thì hiện tại hoàn thành (has ... seen) ⇒ Quá khứ hoàn thành (had he seen)

$16.$ She asked when he would come.

→ Will lùi thì sang would

$17.$ I asked what he was doing.

→ Thì hiện tại tiếp diễn (is he doing) ⇒ Quá khứ tiếp diễn (was doing)

$18.$ We asked why he had been absent.

$19.$ He asked where I was from.