Đáp án:

`1,` A lot of flowers are grown in the garden by him.

`2,` Thier house is being decorated at the moment.

`3,` A beautiful picture is painted last week.

`4,` His homework has been done by Phong for two hours.

`5,` Her car will be sold to buy a new one by my mother.

`6,` A letter is being written to my friend now.

`7,` Many songs are composed for his mom by Lisa.

`8,` His mother's favourite food is being cooked by him.

`9,` A plane model has been made since yesterday.

`10,` Thier work should be finished before `10:00.`

Giải thích:

Bị động `:`

- Hiện tại đơn `:` S + is / am / are + V3 / PII ( by O ).

- Hiện tại tiếp diễn `:` S + is / am / are + being + V3 / PII ( by O ).

- Hiện tại hoàn thành `:` S + have / has + been + V3 / PII ( by O ).

- Tương lai đơn `:` S + will + be + V3 / PII ( by O ).

- ĐTKT `:` S + ĐTKT + be + V3 / PII ( by O ).

`-` BĐ :

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

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

`+` HTTD : S + is / am / are + being + VpII ( by O )

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

`+` TLĐ : S + will be + VpII ( by O )

`+` Should : S + should be + VpII ( by O )

`1`.A lot of flowers are grown in the garden

`2`.Their house is being decorated at the moment

`3`.A beautiful picture was painted by The last week

`4`.His homework has been done by Phong for two hours

`5`.My mother's car will be sold to buy a new one

`6`.A letter is being written to my friend now

`7`.Many songs are composed for Lisa's mom

`8`.His mother's favourite food is being cooked

`9`.A plane model has been made since yesterday

`10`.Their work should be finished before `10.00`

`\text{# TF}`