1. Have you finished your homework?" mom asked -> Mom asked if 2. She said to me: " I can't do it by myself" -> She told me that 3. " Does your brother live in London, Nam?" Lan asked -> Lan wanted to know if

`1.` Mom asked if I had finished my homework.

`-` Reported speech: Yes - No questions

`-` Cấu trúc: S + asked (+ O) + if/whether + S + V (lùi thì).

`-` Đổi ngôi: you `->` I

`-` Lùi thì ĐT: HTHT `->` QKHT

`-` TTSH : your `->` my.

`2.` She told me that she coudn't do it by herself.

`-` Reported speech: Statement

`-` Cấu trúc: S + said/ told + O + (that) + S + V(lùi thì)

`-` Đổi ngôi: I `->` she

`-` Lùi thì ĐT: can't `->` couldn't ( + V-inf )

`-` ĐTPT : myself `->` herself

`3.` Lan wanted to know if Nam's brother lived in London.

`-` Reported speech: Yes - No question

`-` Cấu trúc: S + asked/ wanted to know/ didn't know/... + O + if/whether + S + V(lùi thì)

`-` Đổi ngôi: your brother `->` Nam's brother

`-` Lùi thì ĐT: HTĐ `->` QKĐ ( live `->` lived )