Question Formation

Question formation in English can be a little tricky. Questions use auxiliary verbs; do, does, did, will, have or has for yes/no questions. Then there are the WH- questions; who, what, where, when, why, which, whose, how much/many. 

Here is a very good video explaining question formation:

http://www.youtube.com/watch?v=qbZWKY7pW8g  

For practice, click here:

http://www.englishgrammarsecrets.com/questions1/menu.php

http://a4esl.org/q/h/vm/questform.html

http://www.englisch-hilfen.de/en/exercises/questions/form3.htm