`1`. She asked Minh if he could speak Spanish.

- can -> could 

- you -> he

`2`. Thanh asked her teacher if he/she would finish her/his exercise at home.

-> I -> he/she, will -> would

`3`. Nien asked Hoa if she had many new friends.

-> you -> she, hiện tại đơn -> quá khứ đơn

`4`. My friend asked me if I was going to leave the next day.

- you -> I, tomorrow -> the next day

`5`. I asked Nam if he was free that night.

-> you -> he , tonight -> that night

* Cấu trúc câu trần thuật yes, no question:

- S1 + asked + O + if + S2 + V lùi thì

`1`. She asked Minh if he could speak Spanish.

- Câu tường thuật với Yes/No-questions: S + asked/ wanted to know/ wondered/... + (O) + if/whether + S + V (lùi thì)

- you -> he ; can -> could

`2`. Thanh asked her teacher if he would finish his exercise at home.

- I -> he ; will -> would ; my -> his

`3`. Nien asked Hoa if she had many new friends.

- you -> she ; Hiện tại đơn -> Quá khứ đơn

`4`. My friend asked if I was going to leave the next day.

- you -> I ; Tương lai gần -> was/ were going to ; tomorrow -> the next day/ the following day/ the day after

`5`. I asked Nam if he was free that night.

- you -> he ; Hiện tại đơn -> Quá khứ đơn; tonight -> that night