`-` Bị động :

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

`+` QKĐ : S + was / were + V3 / PII ( by O )

`+` HTHT : S + have / has + been + V3 / PII ( by O )

`+` TLĐ : S + will be + V3 / PII ( by O )

`1`.Janine hasn't been seen since Friday

`2`.This poem was written by Mrs.Hoa in 2020

`3`.The gate has been painted since last year

`4`.You will be given a gift

`5`.I am invited to the festival by Lan

`6`.The Christmas trees were decorated and put at the front door

`7`.Is rice exported to many countries by Viet Nam ?

`\text{# Kirigiri}`

`1.` Janine hasn't been seen since Friday

`2.` This poem was written by Mrs.Hoa in 2020

`3.` The gate has been painted since last year

`4.` You will be given a gift

`5.` I am invited to the festival by Lan

`6.` The Christmas trees were decorated and put at the front door

`7.` Is rice exported to many countries by Viet Nam?

_________________________________

-` Áp dụng:

`@` Câu bị động ở dạng thì tương lai đơn:

`->` S + will be + Vpp + (by O)

`@` Câu bị động ở dạng thì hiện tại đơn: 

`->` S + am/is/are + Vpp + (by O)

`@` Câu bị động ở dạng thì quá khứ đơn:

`->` S + was/were + Vpp + (by O)

`@` Câu bị động ở dạng thì hiện tại hoàn thành:

`->` S + have/has + been + Vpp + (by O)