Boys are playing football in the soccer field at 9 am.

• Chủ động: Boys are playing football in the soccer field at 9 am.
• Bị động: Football is being played by the boys in the soccer field at 9 am.

This room has been painted blue by her father.

• Chủ động: Her father has painted this room blue.
• Bị động: This room has been painted blue by her father.

Cricket is played in Australia.

• Chủ động: People play cricket in Australia.
• Bị động: Cricket is played in Australia.

I am given a book by her.

• Chủ động: She gives me a book.
• Bị động: A book is given to me by her.

We have lost our keys.

• Chủ động: We have lost our keys.
• Bị động: Our keys have been lost by us.

You might see dolphins here.

• Chủ động: You might see dolphins here.
• Bị động: Dolphins might be seen here by you.

The report must be completed by next Friday.

• Chủ động: We must complete the report by next Friday.
• Bị động: The report must be completed by next Friday.

They were singing a song in the lesson yesterday.

• Chủ động: They were singing a song in the lesson yesterday.
• Bị động: A song was being sung by them in the lesson yesterday.