What are the English copula verbs, modal verbs and auxiliary verbs?

copula: be seen sound feel look likely taste get become come go prove turn

modal verbs: can, could, may, might, will, would, shall, should, must, Need ,dare ,ought to ,used to and modal phrases: had better, would rather/sooner, be to

Auxiliary words: be(am,is,are),have,do and their past tense. There are also semi-auxiliary verbs

, which are just listed without explanation.