`1.` Mr. Tan said that he went to work `6` days a week.

`-` Lùi thì: HTĐ `->` QKĐ

`2.` Mary asked Nam if he was waiting for a bus.

`-` Lùi thì: HTTD `->` QKTD

`3.` My dad asked me what time my mother went home that day.

`-` Lùi thì: HTĐ `->` QKĐ

`-` ĐTCTG: today `->` that day

`------------`

`@`Câu tường thuật:

`-` kể: S + said (that) + S + V (lùi thì)

`-` Yes/no question: S + asked sb + if/whether + S + V (lùi thì)
`-` Wh question: S + asked sb + wh question + S + V (lùi thì)

`1`. Mr. Tan said that he went to work `6` days a week.

`->` HTĐ `->` QKĐ

`->` S + said (that) + S + V(lùi thì)

`2`. Nam asked Mary if she was waiting for a bus.

`->` HTTD `->` QKTD

`->` S + asked + O + if/whether + S + V(lùi thì)

`3`. My dad asked me what time my mother went home that day.

`->` HTĐ `->` QKĐ

`->` today `->` that day

`->` S + asked + O + wh + S + V(lùi thì)