1. The sumptuous feast at the party was enjoyed by the guests.

2. The animals in the zoo aren't allowed to be fed by visitors.

3. The minutes of the meeting is being taken down by the clerk.

4. The witness is being cross-examined by the defence lawyer.

5. The pills can be taken before or after meals.

6. The trophies were presented to the winners by the headmaster.

7. The document will be delivered to the CEO by the secretary soon.

1. The sumptuous feast is enjoyed at the party by the guests

2. Visitors isn't allowed to feed the animals by the zoo in the zoo

3. The minutes of the meeting are being taken down by the clerk

4. The witness is being cross-examining by the defence lawyer

5. These pills can be taken by you before of after meals

6. The trophies were presented to the winners by the headmaster

7. The document will be delivered to the CEO by the secretary soon

*Cấu trúc bị động:

QKĐ: S + was/ were + PP + (by O)

HTĐ: S + am/ is/ are + PP + (by O)

HTTD: S + am/ is/ are + being + PP + (by O)

HTHT: S + have/ has + been + PP+ (by O)

TLĐ: S + will be + PP + (by O)

S + modal verb + be + PP + (by O)