`19` This text will be copied (by him)

`->` Bị động - tương lai đơn 

`+` S + will be + PII (by......)

`20` A new car has been bought (by him)

`->` Bị động - hiện tại hoàn thành

`+` S + have/has + been + PII (by......)

`21` Volleyball is being played (by us) now

`->` Bị động - hiện tại tiếp diễn

`+` S + is/am/are + being + PII (by.....)

`22` The rule was explained by our teacher

`->` Bị động - quá khứ đơn

`+` S + was/were + PII (by.....)

`23` The texts are translated (by her) every day

`->` Bị động - hiện tại đơn

`+` S + is/am/are + PII (by......)

`24` A comedy film is being watched (by her) now 

`->` Bị động - hiện tại tiếp diễn

`+` S + is/am/are + being + PII (by......)

`25` The candle is put on the table

`->` Bị động - hiện tại đơn

`+` S + is/am/are + PII (by......)

`26` A new has been bought by Pam recently 

`->` Cấu trúc - câu `20`

`27` The mistakes will be corrected (by him)

`->` Cấu trúc câu  `19`

`28` A  beautiful present has been got (by me)

`->` Cấu trúc câu `20` 

`19.` This text will be copied by him

S + will be + PP + (by O)

`20.` A new car has been bought by him

S + have/ has + been + PP+ (by O)

`21.` Volleyball is being played now

S + am/ is/ are + being + PP + (by O)

`22.` The rule was explained by our teacher

S + was/ were + PP + (by O)

`23.` The texts are translated by her every day

S + am/ is/ are + PP + (by O)

`24.` A comedy film is being watched by her now

S + am/ is/ are + being + PP + (by O)

`25.` The candle was put on the table by him

S + was/ were + PP + (by O)

`26.` A new has been bought by Pam recently 

S + have/ has + been + PP+ (by O)

`27.` The mistakes will be corrected by him

S + will be + PP + (by O)

`28.` A beautiful present has been got by me

S + have/ has + been + PP+ (by O)