`-` CBĐ `-` Thì HTĐ :

`+` KĐ : S + is / am / are + V3 / PII ( by O )

`+` PĐ : S + isn't / aren't / am not + V3 / PII ( by O )

`+` NV : Is / Am / Are + S + V3 / PII ( by O ) ?

`1`.The door is opened every hour

`2`.The door isn't opened every hour

`3`.Is the door opened every hour ?

`4`.Is the window opened every hour ?

`5`.The drawer isn't opened every minute

`6`.Is the wardrobe often opened ?

`7`.The table is always set in the evening

`8`.The table is never set for breakfast

`9`.Breakfast is never served in the room

`10`.Is the table set for dinner ?

`\text{# Kirigiri}`

`1.` The door is opened every hour.

`2.` The door is not opened every hour.

`3.` Is the door opened every hour?

`4.` Is the window opened every hour?

`5.` The drawer is not opened every minute.

`6.` Is the wardrobe often opened ?

`7.` The table is always set in the evening.

`8.` The table is never set for breakfast.

`9.` Breakfast is never served in the room.

`10.` Is the table set for dinner?

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`+` Cấu trúc câu bị động thì Hiện tại đơn:

`(+)` Khẳng định: S + am/is/are + PII + (BY  O)

`(-)` Phủ định: S + am/is/are + not + PII + (BY  O)

`(?)` Nghi Vấn: Am/is/are + S + PII + (BY  O)....?

`@` Note: Khi by + O là by us, by them, by people, by someone, by somebody, by buiders, by we.....thì ta bỏ đi không sử dụng trong câu bị động.