在使役动词和感官动词的后面常带不to的不定式结构作宾语补足语:
have(let/make/feel/hear/watch/see/observe)sb.do sthhelp sb.do sth.
6.作状语。不定式结构在句子中通常充当结果状语和目的状语。如:
He spent much time on his studies to be a top student.一(目的状语)为了成为班上的优等生,他在学习上花了很多的时间He came there to find his friends had left.(结果状语)他到了那里结果发现他的朋友已经走了。
7.作为主语补足语,补充说明主语的性质,特征等,如:
He is supposed to come here(主语补足语)tomorrow.他应该明天到这里。
He is said to have great talent for art.(主语补足语)据说他在艺术方面很有才华。
8.常接不定式作宾语的动词:
agree,afford,aim,arrange,appear,ask,attempt,choose,claim,decide,desire,determine.expect,fail,guarantee,hope,endeavor,intend,long,mean,manage,offer,,plan,pledge,pretend,promise,proceed,prove,resolve,refuse,request,swear,tend,try,wait,wish
9.不定式的习惯用法:
句型:cannot choose but docanl help but
can do nothing but do have no choice/alternative but to do
might as wellwould rather
难点解析
1.接不定式或动名词在意思上有区别的动词:
fmean to do想要(做某事)propose to do打算(做某事)
mean doing意味(做某事)propose doing建议(做某事)
(责任编辑:vstara)