不定式,过去式,进行式,做定语有什么差别?答:这类动词常见的有allow, cause, enable, expect, find, force, lead, permit, require, ask, choose, encourage, get, help, teach, tell等。(2) 有些动词要求不带to的不定式作宾语补足语。这类动词有feel, hear, notice, observe, see, watch等感官动词和have, let, make使役动词后用“名词(或代词宾格...