Chuyển sang câu bị động 1. My father waters this flower every morning. 2. John invited Fiona to his birthday party last night. 3. Her mother is preparing the dinner in the kitchen. 4. We should clean our teeth twice a day. 5. Our teachers have explained the English grammar. 6. Some drunk drivers caused the accident in this city.

$1. $ This flower is watered (by my father) every morning

$→$ Câu bị động thì HTĐ : S + am/is/are + V3 (+ by Sb/ O)

$→$ Dấu hiệu : every morning

$2. $ Fiona was invented to John's birthday party last night

$→$ Câu bị động thì QKĐ : S + was/ were + V3 (+ by Sb/ O)

$→$ Dấu hiệu : last night

$3. $ The dinner is being prepared (by her mother) in the kitchen

$→$ Câu bị động thì HTTD : S + am/ is/ are +  being + V3 (+ by Sb/ O)

$4. $ Our teeth should be cleaned twice a day

$→$ Câu bị động với ĐTKT : S + ĐTKT + be + V3 (+ by O)

$5. $ The English grammar has been explained (by our teacher)

$→$ Câu bị động thì HTHT : S + have/ has + been + V3 (+ by Sb/ O)

$6. $ The accident was caused in this city (by some drunk drivers)

$→$ Câu bị động thì QKĐ : S + was/ were + V3 (+ by Sb/ O)

`@Chamian`