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Auxiliaries, Auxiliaries are helping verbs. There are two kinds of auxiliaries. They are:, a) Primary Auxiliaries: They can become principal verbs., b) Modal Auxiliaries: They cannot become principal verbs., There are 24 auxiliaries. They are:, Kind, Classes, Present Tense, Past Tense, Be Verbs, Is, am are, Was, were, a) Primary Auxiliaries:, Do Verbs, Does, do, Did, Have Verbs, Has, have, Had, Shall, will, Should, would, Can, Could, May, Might, Must, b) Modal Auxiliaries:, Need, Dare, Ought (to), Used (to), Uses, Is, was, With singular subjects, Are, were, With plural subjects, Am, Only with subject I, Does, Have, Only with subjects He/She/It/ Singular Noun