hange into passive voice. People will honer teachers officers do not demand money from public.

My wife prepares food
Can you complete all the lessons by the end of January
Who speaks the truth?

Who has broken the mirror

3 answers

Study this site.

http://owl.english.purdue.edu/owl/owlprint/539/

Give it a try. I'll be glad to check your answers.
http://www.grammar-monster.com/glossary/passive_voice.htm

www.grammar-monster.com/glossary/active_voice.htm
http://www.grammar-monster.com/glossary/active_voice.htm