`->` Karen asked me how many students there were in my class.
- Reported speech với Wh-question: (When, How, What, Which, ....)
S + asked/asked someone/ wondered/ wanted to know + Wh-question + S + V (lùi thì)
Ví dụ: "What time do you go to school?" Cei asked him.
`->` Cei asked him what time he went to school.