* Cấu trúc câu gián tiếp:

- Dạng câu hỏi yes/no ( câu 4 ): S + asked +(O)/ wanted to know/ wondered + if/wheter + S + V(lùi thì)

- Dạng câu hỏi yes/no ( các câu còn lại ): S + asked +(O)/ wanted to know/ wondered +wh/h + S + V(lùi thì)

* Một số thì của động từ lùi thì:

- HTĐ → QKĐ

- HTTD → QKTD

- HTHT → QKHT

- HTHTTD → QKHTTD

- QKĐ → QKHT 

- QKTD → QKHTTD

- is/am/are going to → was/were going to

- can/ will/ shall/ may/ must + V0 → could/ would/ should/ might/ had to + V0

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${1.}$ The teacher asked me where my father worked.

${2.}$ She asked Lan how many people there were in his family.

${3.}$ Tam's friend asked him how long he would stay in England.

${4.}$ She asked her mom if there were some oranges in the fridge.

${5.}$ The teacher asked Lien what her hobby was.