4.18 'wh'-words

'Wh'-questions begin with a 'wh'-word.

'Wh'-words are a set of pronouns, adverbs, and determiners which all, with the exception of 'how', begin with 'wh-'. Here is a list of the main 'wh'-words:

• how, what, when, where, which, who, whom, whose, why