1、(1) 系动词be (am/is/are)是最为常见的系动词，用来表示主语的性质或是状态。
He was ill yesterday.他昨天病了。
He is a teacher.他是一名教师。
2、(2) 持续系动词用来表示主语继续或保持一种状况或态度，主要有keep、remain等。
He always keeps silent in classes.在课堂上他总是保持沉默。
3、(3) 表像系动词用来表示“看起来像……”，主要有seem、appear、look。
He looks very tired.他看起来很累。
He seems (to be) very sad.他看起来很伤心。
4、(4) 感官系动词主要有feel、smell、sound、taste。
This kind of cloth feels very soft.这种布摸起来很软。
This flower smells very sweet.这朵花闻起来很香。
5、(5) 变化系动词表示主语变成什么样，主要有become、grow、turn、get。
He became mad after that.在那之后，他疯了。
She grew rich in a short time.没多长时间她就富了。
