Câu bị động ( Thì HTĐ `-` QKĐ `-` HTHT `-` TLĐ ) :

`-` Thì HTĐ : S + be + V3 / PII ( by O )

`-` Thì QKĐ : S + was / were + V3 / PII ( by O )

`-` Thì HTHT : S + have / has + been + V3 / PII ( by O )

`-` Thì TLĐ : S + will be + V3 / PII ( by O )

`1`.How is English learnt ?

`2`.Why isn't he helped ?

`3`.Where were these photographs taken ?

`4`.When was this car bought ?

`5`.When will the work be done ?

`6`.What time are you taken to school every morning ?

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

`8`.How was the lost man found by the police ?

`\text{@ TheFox}`