VOICE

The worst should be prepared by yourself.

Be prepared for the worst.

You be prepared for the worst.

For the worst, preparation should be made by you.

Grammar was taught to us by him.

Grammar will be taught to us by him.

We are taught grammar by him.

We were teached grammar by him.

You are requested to shut the door and go to sleep.

Let the door to be shut and you be asleep.

The door is to be shut and you are requested to sleep.

The door is to be shut and you are to go to sleep.

This is impossible to be done

This must not be done

This can’t be done

Doing this is impossible

All living species on earth must taken care of by us.

All living species on earth will be taken care of by us.

All living species on Earth had been taken care of by us.

All living species on earth must be taken care of by us.