helpp vs ah. hứa vote 

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`1.` The question can be answered ( by me ).

`2.` Her car should be washed ( by her ).

`3.` The door should be opened ( by you ).

`4.` She may be given the presents ( by us ).

`5.` Your bike ought to be fixed ( by you ).

`6.` The report must be finished ( by me ).

`7.` Milk shouldn't be bought ( by them ).

`8.` The words on the blackboard can not be seen ( by her ).

`9.` Will a hamburger be eaten ( by you )?

`10.` Can the door be locked ( by Liz )?

`----------`

`-` Bị động của động từ khuyết thiếu:

`(+)` S `+` modal verb `+` be `+` Vpp ( `+` by O )

`(-)` S `+` modal verb not `+` be `+` Vpp ( `+` by O )

`(?)` Modal verb `+` S `+` be `+` Vpp ( `+` by O )?

` 1`. The question can be answered by me.

` -` Bị động can : S + can(not) + be + V-ed/V3 + (by + O) ...

` 2`. Her car should be washed by her.

` -` Bị động should : S + should(not) + be + V-ed/V3 + (by + O) ...

` 3`. The door should be opened.

` -` Bị động should : S + should(not) + be + V-ed/V3 + (by + O)

` 4`. She may be given the presents.

` -` Bị động may : S + may(not) + be + V-ed/V3 + (by + O) ...

` 5`. The bike ought to be fixed.

` -` Bị động ought to : S + ought(not) + to + be + V-ed/V3 + (by + O) ...

` 6`. The report must be finished by me.

` -` Bị động must : S + must(not) + be + V-ed/V3 + (by + O) ...

` 7`. Milk shouldn't be bought.

` -` Bị động should : S + should(not) + be + V-ed/V3 + (by + O)

` 8`. The words on the blackboard can't be seen by her.

` -` Bị động can : S + can(not) + be + V-ed/V3 + (by + O) ...

` 9`. Will the hamburger be eaten?

` -` Bị động TLĐ : S + will be + V-ed/V3 + (by + O) ....

` 10`. Can the door be locked by Liz?

` -` Bị động can : S + can(not) + be + V-ed/V3 + (by + O) ...