11. The car was found by Monica. 

12. The fishing village was destroyed by a violent storm. 

13. The decision was made by the lawyer.

14. Was that pie eaten by your daughter ? 

15. What plays were written by Shakespeare ?

16. She wasn't loved by her husband.

17. A lot of people were invited to their party last night.

18. America was discovered by Christopher in 1492.

* Câu bị động ở thì quá khứ đơn :

(+) S + was/were + V(PII) + place + (by + O) + time.

(-) S + was/were + not + V(PII) + place + (by + O) + time.

(?) Was/were + S + V(PII) + place + (by + O) + time ?

11. The car was found by Monica

=> Bị động ở quá khứ đơn: S+ was/ were+ Ved/ V3+ (by+O)

12. The fishing village was destroyed by a violent storm

=> Bị động ở quá khứ đơn: S+ was/ were+ Ved/ V3+ (by+O)

13. The decision was made by the lawyer

=> Bị động ở quá khứ đơn: S+ was/ were+ Ved/ V3+ (by+O)

14. Was the pie eaten by your daughter?

=> Bị động ở quá khứ đơn ( nghi vấn ): Was/ Were+ S+ Ved/ V3+ (by+O)?

15. What plays were written by Shakespeare?

=> Bị động ở quá khứ đơn với Wh-question: Wh-question+ S+ was/ were+ Ved/ V3+ (by+O)

16. She wasn't loved by her husband

17. A lot of people were invited to their party last night

=> Bị động ở quá khứ đơn: S+ was/ were+ Ved/ V3+ (by+O)

18. America was discovered by Christopher in 1492

=> Bị động ở quá khứ đơn: S+ was/ were+ Ved/ V3+ (by+O)