(-)là CĐ (+)là BĐ

1-They planted a tree in the garden

+A tree was planted in the garden

2-Someone stole my motorbike last night.

+My motorbike was stolen last night. 

3-My father waters this flower every morning.

+This flower is watered every morning.

4-John invited Fiona to his birthday party last night.

+Fiona was invented to John's birthday party last month

5-Her mother is preparing the dinner in the kitchen.

+The dinner is being prepared in the kitchen.

1,a dog bite me(hiện tại đơn)

⇒i was bitten by a dog

2,she is cleaning the house at the moment(ht tiếp diễn)

⇒the house is being cleaned by her at the moment

3,they have built my house for 2 years(ht hoàn thành)

⇒my house have been built for 2 years

4,he broke a window yesterday(quá khứ)

⇒a window was broken by him yesterday

5,the gorvement will give a new rule next month(tương lai)

⇒a new rule will be given by the gorvement next month