`\color{#145277}{N}\color{#246483}{a}\color{#34768F} {e}\color{#44889B}{u}\color{#539AA7}{n}`

`bb\a.`

`1.` is included

`-` Bị động HTĐ : S + am / is / are + V3/ed

`2.` were cancelled

`-` Bị động QKĐ : S + was / were + V3/ed

`3.` is being built

`-` Bị động HTTD : S + am / is / are + being + V3/ed

`4.` is used 

`-` Bị động HTĐ : S + am / is / are + V3/ed

`5.` was bought

`-` Bị động QKĐ : S + was / were + V3/ed

`6.` was being cleaned

`-` Bị động QKTD : S + was / were + being + V3/ed

`bb\b.` 

`1.` Our house are being painted at the moment.

`-` Bị động HTTD : S + am / is / are + being + V3/ed

`2.` These flowers of silk are made by Lan.

`-` Bị động HTĐ : S + am / is / are + V3/ed

`3.` Spanish is spoken in Spain.

`-` Bị động HTĐ : S + am / is / are + V3/ed

`4.` The story was read to the children last night.

`-` Bị động QKĐ : S + was / were + V3/ed

`5.` My homework was being done.

`-` Bị động QKTD : S + was / were + being + V3/ed

`6.` The lessons was explained in class by the teacher yesterday.

`-` Bị động QKĐ : S + was / were + V3/ed

`7.` The letters have been posted.

`-` Bị động HTHT : S + have / has + been + V3/ed

`1.` is included

`2.` were cancelled 

`3.` is being built

`4.` is used

`5.` was bought

`6.` was being cleaned

`7.` was given 

--------------

`1.` Our house are being painted at the moment.

`2.` These flowers of silk are made by Lan.

`3.` Spanish is spoken in Spain.

`4.` The story was read to the children last night.

`5.` My homework was being done.

`6.` The lessons was explained in class by the teacher yesterday.

`7.` The letters have been posted.

`@` Giải thích:

`***` Bị động HTĐ:

S+ is/am/are+V3/V-ed+O (+by SO)

`***` bị động QKĐ:

S+ was/were + V-pp+O (+by SO)

`***` Bị động HTTD:

S+ is/am/are+ being+ V3/V-ed+O (+by SO)

`***` Bị động QKTD:

S+was/were + being + V-pp +O(+by SO)

`@` Bị động HTHT:

S+ has/have+ V-pp+O (+by SO)