`10`. The Khue Van Pavilion was built inside the Temple of Literature by them.

`11`. Why is the Temple of Literature visited by many students before their exam?

`12`. The 82 Doctor's stone tablets were seen there by me.

`13`. Her dogs are fed by her twice a day.

`14`. My key was lost by me yesterday.

`15`. The bank is not opened by them during the weekend.

`16`. The old chicken coop was destroyed by the windstorm last year.

`17`. I was rejected by the company because I'm not qualified enough.

`18`. Our environment is being polluted by us.

`-` Cấu trúc chung: Câu khẳng định

`(+)` Active voice: S1+ V(thì)+ O2+ adv( place)+ adv ( time)

→Passive voice: S2+ be ( thì)+ Vpp+ adv ( place)+ [by+O1]+ adv ( time)

`-` Cấu trúc chung: Câu phủ định

`(+)` Active voice: S1+ do/ does/ did+ not+ V+ O2+ adv ( place)+ adv ( time)

→Passive voice: S2+ is/am/are/ was/ were+ not+ Vpp+ adv ( place)+ [by+O1]+ adv ( time)

`-` Cấu trúc chung: Câu nghi vấn

`(+)` Active voice: (Wh-question)+ do/does/did+ S1+ V+ O2+ adv ( place)+ adv ( time)?

→Passive voice: (Wh-question)+ is/am/are+ S2+ Vpp+ adv ( place) +[by + O1]+ adv (time)?