`1.` The classroom is cleaned every morning.

`2.` Vegetables are bought at the market every day.

`3.` The fence is painted at home on Sundays.

`4.` The car is washed in the yard every weekend.

`5.` Books are read in the library after lunch.

`6.` Essays are written at school by students on Monday.

`7.` The dog is fed in the garden by Tom every afternoon.

`8.` Dinner is cooked in the kitchen by my mother every evening.

`9.` The tests are corrected at her desks by the teacher every Friday.

`10.` Houses are built in this area every year.

`================`

`-` Bị động `-` hiện tại đơn : S `+` am/is/are `+` V ( ed/PII ) `+` ( by O ).

`+)` I `+` am

`+)` You/we/they/danh từ số nhiều `+` are

`+)` She/he/it/danh từ số ít `+` is

`***` Trạng từ chỉ nơi chốn `+` by O `+` trạng từ chỉ thời gian.