`1.` The wine should be opened 3 hours before you used it.

`-` Câu bị động với DTKT - should

`-` Cấu trúc: S + should + be + VpII + O

`2.` What subjects have been discussed today? 

`-` Câu bị động thì HTHT:

`-` Cấu trúc: What + (N) + have/has + (S) + been + VpII + (by + O) + time?

`3.` The room is going to be decorated next week.

`-` Câu bị động thì TLG:

`-` Cấu trúc: S +am/is/are + going to + be + VpII + O

`4.` These plants ought to be watered once a week.

`-` Câu bị động với DTKT - ought to:

`-` Cấu trúc: S + ought to + be + VpII +O

`5.` His homework had been finished before she came.

`-` Câu bị động thì QKHT:

`-` Cấu trúc: S + had + been + VpII + O

`6.` How long has the doctor been waited for? 

`-` Câu bị động thì HTHT 

`7.` When will the work be done?

`-` Câu bị động thì TLD:

`( ? )` Wh-questions + will +S + be + VpII + O?

`8.` This room is kept tidy all the time.

`-` Câu bị động thì HTD

`( + )` S + am/is/are + VpII + O

`9.` Is big cakes being made for the party?

`-` Câu bị động thì HTTD

`( ? )` Am/Is/Are + S + being + VpII + O?

`10.` Has the homework been finished by Tom?

`-` Câu bị động thì HTHT

`( ? )` Have/Has + S + been + VpII + (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 )

`+` QKHT : S + had been + VpII ( by O )

`+` TLĐ : S + will be + VpII ( by O )

`+` ĐTKT : S + ĐTKT + be + VpII ( by O )

`1`.The wine should be opened `3` hours before you use it

`2`.What subjects have been discussed today ?

`3`.The room is going to be decorated next week

`4`.These plants ought to be decorated once a week

`5`.His homework had been finished before she came

`6`.How long has the doctor been waited for ?

`7`.When will the work be done ?

`8`.This room is kept tidy all the time

`9`.Are big cakes being made for the party ?

`10`.Has the homework been finished by Tom ?

`\text{# TF}`