=>
1. This machine mustn't be used after 5:30 p.m.
-> bị động mustn't be V3/ed
2. Your shoes are being mended at the moment.
-> bị động HTTD is/am/are being V3/ed
3. The children have been told about the party.
-> bị động HTHT have/has been V3/ed
4. Two hundred people were invited to the wedding.
-> bị động QKĐ was/were V3/ed
5. The water level is checked every week.
-> bị động HTĐ is/am/are V3/ed
6. Your car will be driven to London on Sunday.
-> bị động TLĐ will be V3/ed
7. Your bill should be paid before you leave the hotel.
-> bị động should be V3/ed
8. Smoking isn't allowed in this restaurant.
-> bị động HTĐ is/am/are (not) V3/ed
9. Your exercises are being done, aren't they?
-> bị động HTĐ is/am/are V3/ed
-> đề bài là câu hỏi -> câu hỏi đuôi (vế giới thiệu khẳng định -> câu hỏi đuôi phủ định)
10. I wasn't told that George was ill.
-> bị động QKĐ was/were (not) V3/ed