Giúp mình với giải bài này với ạ,khó quá

Bị động - thì hiện tại tiếp diễn

(+) S + am/is/are + being + V3/ed 

(-) S + am/is/are + not + being + V3/ed 

(?) Am/Is/Are + S + being + V3/ed? 

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b) 

4. Three lunches are being served by the waiter now.

5. The newspaper isn't being read by my dad at this time.

6. Cookies are being sold for the charity right now.

7. Dog's snack is being eaten.

8. The floor is being swept.

9. The ball is being thrown into a basket by Anna.

10. A present is being chosen for Jimmy's best friend's birthday.

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Bị động - thì hiện tại hoàn thành 

(+) S + has/have + been + V3/ed 

(-) S + has/have + not + been + V3/ed

(?) Has/Have + S+  been + V3/ed?

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c)

1. This bouquet of flowers has been bought in that shop by my boyfriend.

2. Jelly's wallet has been found.

3. The research has been finished by our team.

4. My exercise has been finished for one day.

5. This movie has never been seen before.

6. The news has not been heard already.

7. The contract has been signed by Jim.

8. Five concert tickets have been bought by these guys.

9. Computer science has been studied by his brother since January.

10. My dog has been taken good care of by my parents.

11. These reports have been typed by my team for 1 hour.

12. The victims have been found by the police yesterday.

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Bị động - thì quá khứ đơn 

(+) S + was/were + V3/ed 

(-) S + was/were + not + V3/ed 

(?) Was/Were + S + V3/ed?

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d)

1. The temple was reconstructed in 1988.

2. Ho Chi Minh Mausoleum was visited by thousands of people today.

3. I wasn't invited to her birthday party.

4. The Khue Van Pavilion was built inside the Temple of Literature.

5. Why was the Temple of Literature visited by many students last month?

6. Her key was lost yesterday.

7. The bank was opened last weekend.

8. J.K. Rowling's second book was written at the age of six.

9. Why wasn't the floor cleaned this afternoon?

10. The dish was brought to us by the waitress.

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