`1.` Where does John live? (where dùng để hỏi về nơi chốn)

`2.` How old is your brother? (how old dùng để hỏi về tuổi)

`3.` Why do children like eating candy? (why dùng để hỏi về lí do)

`4.` Who do homework every day? (who dùng để hỏi về người)

---

`1.` The classroom is cleaned by the students every morning.

Bị động HTĐ: am/is are Vpp.

`2.` A house was bought by John last month.

Bị động QKĐ: was/were Vpp.

@ `Ly`

1. Where does John live ?

2. How old is your brother ?

3. Why do children like eating candy

4. Who do homework everyday ?

* Change into passive

1. The class room is cleaned every morning by the students

2. A house was bought last month by John