$@dream$

`1.` A lot of love should by given to their children by parents.

`-` give - gave - given: cho

`2.` Your hands must be washed carefully.

`3.` Four languages can be spoken by this boy.

`-` speak - spoke - spoken: nói

`4.` Old men should be treated with respect by children.

`5.` John shouldn't be hit by my classmates.

`6.` This house and these cars should be painted for Christmas Day by the Greens.

`7.` The wine about three hours should be opened before you use it.

`8.` Pictures musn't be drawn in the walls.

`-` draw - drew - drawn: vẽ

`9.` Bicycles must not be left in this area.

`-` leave - left - left: để lại

`10.` Books can be kept be members of the library for three weeks.

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Bị động của động từ khuyết thiếu:

`-` Can: S + can + be + p.p + (by O).

`-` Should:

$(+)$ S+ should + be + p.p + (by O).

$(-)$ S + should not/ shouldn't + be + p.p + (by O).

`-` Must:

$(+)$ S + must + be + p.p + (by O).

$(-)$ S + must not/ mustn't + be + p.p + (by O).

`1` A lot of love should be given to their children by parents 

`2`  Your hand must be washed carefully 

`3` Four languages can be spoken by this boy 

`4`  Old men should be treated with respect by children 

`5`John shouldn't be hit by my classmates 

`6`  This house and these cars should be painted for Christmas Day by the Greens

`7`  The wine should be opened about three hours before it is used 

`8`  Pictures mustn't be drawn in the walls 

`9`  Bicycles mustn't be left in this area 

`10` Books can be kept by members of the library for three weeks 

`=>` Câu bị động với động từ khuyết thiếu `-` Model Verbs : 

`-` S + should / must / can / could + ... + be + Vpp ( V3/ Ved) + ( by + O )