2、emtodofailtodo….动词+宾语+不定式allowsbtodosthadvisesbtodosthgetsbtodosthordersbtodosthWeagreeherebutsofarshehasn’tturnedupyet.A.tomeetB.meeting考点二:注意不定式的否定nottodoremember,forget,regret后动名词表已经做过的动作,不定式表没有做过或将要做的动作.forget to do忘了做(某事)forget doing忘了做过(某事)stop,try,goon
3、,mean,beafraid,propose后两者都可,但意义不同.try to do尽力做try doing试着做mean to do意欲/想要做mean doing意味着做stop to do停下来做stop doing停止做proposetodo计划,打算做proposedoing建议做考点三:有些动词后既可跟to-不定式又可跟动名词动词不定式Ihavegoodnewstotellyou.定语(在句中可以做谓语以外的其他成分)动词不定式TolearnEnglishwellisnotdifficult.Ide
4、cidetohelpyou.MywishistolearnEnglishwell.Mymumaskedmetocleantheroom.主语宾语表语状语宾补TolearnEnglishwell,youmuststudyhard.动词不定式作主语不定式短语在句首作主语To say is one thing and to do is another.用it作形式主语在很多情况下,人们通常用it作为形式上的主语,而把不定式移到谓语之后,使句子结构显得平稳一些It+谓语+todoeg:Ittakesusanhourtog
5、ettherebybus.It’s+n.+todoeg:It’sourdutytohelpthepoor.Itisadj.(for/ofsb.)todosth.It is impossible to learnEnglishwellwithout making efforts.It’sverykindofyoutohelpme.It ishardfor him to get rid of his bad habits.动词不定式作表语不定式作表语可以说明主语的具体内容或表示目的His wish is to bec
6、ome an astronaut.To live is to do something worthwhile.考点四:注意:有些作表语的不定式,在结构上是主动的,但在意义上却是被动的。She is to blame.The house is to let.The result is not long to see.动词不定式作宾语作动词的宾语不定式充当部分及物动词的宾语不定式可以作介词but和except的宾语The teacher made no comments except to tell him to w
7、ork hard.考点五:He had no choicebut towait.There is nothing we can dobut waitpatiently.动词不定式作宾语作动词的宾语不定式充当部分及物动词的宾语不定式可以作介词but和except的宾语The teacher made no comments except to tell him to work hard.考点四:He had no choicebut to sitthere as usual.There is nothing we
8、can dobut waitpatiently.作形容词的宾语句子的主语是不定式的逻辑主语I am sorry to say that he is going from bad toworse.She was not content to live a quiet life in a small town.句子的主语是不定式的逻辑宾语This problem is eas