PDF Converted Document Verb (Basic) English – From Plinth to Paramount Verb A verb is called a ‘doing word’. Types of Verbs Helping Verb Main Verb Modals Main Verbs are those which come in place of the main action in the sentence. (Be, Do, Have). Modals like Can, Could, May, etc. cannot act as main verbs, but can act as helping verbs. For example: Used, Need, Dare to (Marginal Auxiliary Verbs) can work both as modal and main verbs. Auxiliary Verbs Auxiliary verbs are also called helping verbs. 1. Modal Auxiliary Verbs: Can, Could, May, Might, Shall, Will, Would, Should, Must, Ought to (a) She can run fast. (b) You should study English. 2. Marginal Auxiliary Verbs: Used to, Need, Dare These can function both as modal and main verbs. Example Table Verb Type Examples ...