Change to passive:
We give all lessons in English here.
Who publishes her books?
I think someone is following us.
Only four students passed the exam.
He finished his last novel in 1945.
Who won the match?
It´s a new coat. No one has ever worn it.
They would severely punish you if they caught you. (dvě passiva) You must do this homework by Friday.
They might catch you.
They didn´tell me about it.