A simple yet comprehensive look at auxiliary verbs and how to use them. The article also contains tables showing which auxiliary verbs are used with base form verbs, which are combined with the present participle, which are usedwith past participles only, which can only be used as auxiliary verbs and also which can be used as either helping (auxiliary) verbs OR principal verbs. A short piece on the use of auxiliary verbs in short answers is also included.
