17. Carol asked Jane what that word meant in English.

- Lùi thì: Hiện tại đơn -> Quá khứ đơn (mean - meant - meant: có nghĩa)

- Đại từ: this -> that

18. My father asked me if I had helped my mother with the housework.

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

- Đổi ngôi: You -> I

- Tính từ sở hữu: your -> my

19. He asked me where I was going for my summer holiday.

- Lùi thì: Hiện tại tiếp diễn -> Quá khứ tiếp diễn

- Đổi ngôi: You -> I

- Tính từ sở hữu: your -> my

20. Nam asked her how she had gone to school the day before.

- Lùi thì: Quá khứ đơn -> Quá khứ hoàn thành (go - went - gone: đi)

- Đổi ngôi: you -> she

- Trạng từ: yesterday -> the day before/ the previous day

----------------

*Câu tường thuật với Yes/No-question:

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

*Câu tường thuật với WH-question:

S + asked/ wanted to know/ wondered/... + (O) + WH-words + S + V (lùi thì)

`C`âu tường thuật NV :

`-` Yes / No : S + asked + O + if / whether + S + V ( lùi thì )

`-` Wh-question : S + asked + O + wh + S + V ( lùi thì )

`-` HTĐ `->` QKĐ : S + Ved / V2

`-` QKĐ `->` QKHT : S + had + V3 / PII

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

`17`.Carol asked Jane what this word meant in English

`18`.My father asked me if `/` whether I had helped my mother with the housework

`19`.He asked me where I was going for my summer holiday

`20`.Nam asked her how she had gone to school the previous day

`\text{# Kirigiri}`