passive voice

eg:Do you serve sea food in this restaurant?b Actuve
Is seafood served in this restaurant? Passive

Do you prepare the lunch for us? Active
Is lunch prepared by you for us? Passive

同埋非問句(active voice)轉非問句(passive voice)

eg:No one can do anything unless someone gives financial support.
Nothing can be done unless financial support is given.

Tom cannot do anything unless someone gives financial support.
Nothing can be done by Tom unless financial support is given.

Somebody or nobody is understood so we need not mention by somebody or nobody.

I hope that the above examples clear up your query.

1. Is sea food served by you in this restaurant?
2. Anything can not be done unless someone gives financial support.

by Jeffrey

http://cytc-jeffrey.blogspot.com/