1. English is studied by Lan every day.

- Câu bị động thì hiện tại đơn: S + am/is/are + V (P_II) + (by O).

2. Coffee is grown in more than 50 countries around.

- Câu bị động thì hiện tại đơn: S + am/is/are + V (P_II) + (by O).

3. Two letters were sent by him two days ago.

- Câu bị động thì quá khứ đơn: S + was/were + V (P_II) + (by O).

4. My wallet was taken by a thief yesterday.

- Câu bị động thì quá khứ đơn: S + was/were + V (P_II) + (by O).

5. He was bought a new bike by my mother 3 weeks ago.

- Câu bị động thì quá khứ đơn: S + was/were + V (P_II) + (by O).

$@vanw$

1. Lan studies Eniglish every day  

- English..is studied by Lan every day....  

2.They grow coffee in more than 50 countries around  

- Coffee..is grown in more than 50 countries around....  

3.He sent took letters two days ago  

- Two letters...was sent two days ago..... 

4. A thief took my wallet yesterday  

- My wallet...was taken by a thief yesterday.  

5.My Mother bought him a new bike 3 week ago  

- He...was bought a new bike by my mother 3 weeks ago.