English Interrogative Sentences : Common Interrogative Patterns
By Manik Joshi
Series: English Daily Use
, Book 2.
Published: February 8, 2013.
Types and formation of interrogative sentences | Tag questions | Interrogative words: what, when, where, which, who, whom, whose, why, how | these words are called wh-family words. Besides 24 auxiliary verbs - is, am, are, was, were, do, does, did, have, has, had, may, might, can, could, will, would, shall, should, must, need, dare, used to and ought to - are used for making interrogatives