help.!! Questions about passive voice

將下面2句轉做active voice:
1) Were the cars stopped by the policeman?
Ans: Did the policeman stop the cars?
2) Was the gate locked by the guard?
Ans: Did the guard lock the gate?

將下面2句轉做passive voice:
1) Did the policeman catch the theft?
Ans: Was the theft (係唔係theif先正確?) caught by the policemen?

2) Did they catch any fish?
Ans: Was any fish caught by them?

Hope this can help you!!!=]]

active voice
Were the cars stopped by the policeman?
ANS: Did the policeman stopped the cars?

Was the gate locked by the guard?
ANS: Did the guard locked gate?




passive voice
Did the policeman catch the theft?
ANS: Was the theft caught by the policeman?

Did they catch any fish?
ANS: Was any fish caught by them?

active voice
The policeman stopped the cars.
The guard locked gate .
passive voice
Was the theft caught by the policeman?
Was the fish caught by them any?