高三语法-动词不定式用法

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1、动词不定式用法小结动词不定式用法小结作名词（主语，宾语，表语）；作形容词（定语）；作副词（目的状语，结果状语）一．   做主语todosomething=n.Ex.1.TogotoBeijingUniversityismydream.(做主语）IhopetogotoBeijingUniversity.(做宾语）MydreamistogotoBeijingUniversity.(作表语）2.TolearnEnglishwellisnoteasyA.Vtodosth(只能接不定式）Hope,wish,desire,expect.adviseDecide,determinePlan,arra

2、nge/agree/refuse/threaten....dreamofdoingsomething(√dreamtodosth(×befondofdoingsth(√)befondtodosth(×B.Vsbtodosth(作宾补）Asktellwishexpectforce....但hopesbtodosthAgreesbtodosth/suggestsbtodosthRefusesbtodosthDemandsbtodosth强调宾语补语时，用被动语态Vsbtodosth变成VsthtobedoneAsksbtodosth→asksthtobedone(tobe可以省略）Make

3、sbdosth=makesth(tobe不需要）done主动没有不定式，被动就不能加。311.Iaskedyoutocleantocleantheclassroom→Iaskedtheclassroom(tobe)cleaned.2.Imadeyoucleantheclassroom→Imadetheclassroomcleaned1.既可以接不定式又可以接V+ing形式的词Liketodosth决定做某事Likedoingsth(动名词经常发生）stoptodosth停下来做另外一件事doingsth停止正在做的ForgettodosthIforgettolockthedoorDoi

4、ngsthIforgotseeingthefilmRemembertodosth记得去做Remembertolockatthedoorbeforeyouleavedoingsth记得做过IrememberedlockingatthedoorHavingdoneIrememberedhavinglockedatthedoor.Meantodosth决定、计划去做ImeantogotoShaoxingtomorrowdoingsth意味着...Hiswordsmeantgivinguptheplan.regretdoingsth遗憾做某事Iregretmissingthebustodost

5、h后悔做某事youhaven’tpassedtheexam.begin/starttodosthdoingsth1.不能用doing的情况itbegintorain.2.已经用于进行时beginningtorain3.表示心理状态IbegintorealizetheimportanceofEnglishIprefertodo=IliketodoIpreferdoingTrytodosth尽力做某事I‘’lltrytodotheworkwell.Trydoingsth试着去做youcantryusingthismethod31Tobeadoctorishard.   做医生很难。  二.

6、动词不定式作定语   动词不定式作定语常用来修饰名词或不定代词，放于所修饰的词后，为后置定语。例：   Whowasthefirstonetoarrive?   谁第一个到的？   Shehasnopapertowriteon?   她没有纸写字？   ThebestwaytolearnEnglishistouseit.   学英语最好的方法是使用它。   Whenisthebesttimetoplantvegetables?   什么时候是种植蔬菜的最好时间？   Doyouhavesomethingtodrink?   你这有喝的吗？   *动词不定式（短语）作定语修饰名词时，与其

7、所修饰的词具有一种动宾关系，如果不定式中的动词为不及物动词时，其后应加上一个含义上所需要的介词。例：   Ihavenochairtositon.   我没有椅子坐。   Hehasnohousetolivein.   他没有房子住。三.动词不定式作目的状语：   动词不定式作目的状语常用在go,come,hurry等不及物动词后，表目的。   Hewenttoseehissisteryesterday.   他昨天去看妹妹了。   Theyg