Link Verb, Notional Verb and Auxiliary Verb 系動詞、实义動詞和助動詞
動詞
系動詞
实义動詞
助動詞
情态動詞
be動詞: am, is, are, was, were“是”動詞:look, sound, smell, taste, feel
do, does, did, have, has, had, will, would
can, must, need
eat, drink, play, sleep