`-` Câu tường thuật: Yes/ No-question: S+ asked+ O+ if/ whether+ SVO

`1`. Christopher asked me if/whether I wanted to dance.

`-` Đổi ngôi: you `->` I

`-` Động từ lùi thì: want `->` wanted

`2`. Mark asked me if/whether John had arrived.

`-` Động từ lùi thì: has `->` had

`3`. Elisabeth asked me if/whether I had watched the latest film.

`-` Động từ lùi thì: QKĐ `->` QKHT

`-` Đôi ngôi: you `->` I

`4`. Mandy wanted to know if/whether she could help me.

`-` Đổi ngôi: I `->` she

`-` Động từ lùi thì: can `->` could

`-` Tân ngữ: you `->` me

`5`. Andrew asked me if/whether Mandy would have lunch with Sue.

`-` Động từ lùi thì: will `->` would

`6`. Anne asked me if/ whether she had to do the shopping.

`-` Đôi ngôi: I `->` she

`-` Động từ lùi thì: must `->` had to

`7`. Yesterday Mandy asked me if/whether the boys were reading the book.

`-` Động từ lùi thì: are `->` were

`8`. Yesterday Robert asked me if/whether Tim was leaving on Friday.

`-` Động từ lùi thì: is `->` was

`9`. Yesterday Daniel asked me if/whether it would rain the next day.

`-` Động từ lùi thì: will `->` would

`-` Trạng từ: tomorrow `->` the next day/ the following day/ the after 

`10`. Yesterday Barbara asked me if/ whether she had to do her homework that afternoon.

`-` Đổi ngôi: I `->` she

`-` Động từ lùi thì: must `->` had to

`-` Tính từ sở hữu: my `->` her

`-` Tính từ chỉ định: this `->` that

`11`. Yesterday Linda wanted to know if/ whether Max had flown to London the `2` weeks before.

`-` Động từ lùi thì: QKĐ `->` QKHT

`-` Trạng từ: `2` weeks ago `->`  the `2` day before/ the previous `2` weeks.