[高考]非谓语动词对比及练习课件.ppt

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1、非谓语动词讲解动词不定式动词的ing形式过去分词结构:todo;(否定)nottodo二.时态与语态主动语态被动语态一般式进行式完成式完成进行式不定式todotobedonetobedoingtohavedonetohavebeendonetohavebeendoing--------------------(1).不定式作主语时,往往放在谓语之后,用it作形式主语.Toseeistobelieve.It’simpossibleforhumanstoflylikeabirdnow.Myjobto________________.Yourtaskto____

2、_________.isis(2).不定式作表语protecttheworld.Helikesto______________.Ifinditstillnecessary(forhim)to___________ifhewantstowin.(3)不定式作宾语playbasketball句型：think/consider/findit+adj.+todoTheteachertoldmeto____________Iexpectyouto____________.(4).不定式作宾补handinmypapersTheteachertoldmetocleant

3、heblackboard.Iexpectyoutogivemesomehelp.引导不定式作宾补的动词：五看watchseelookatobservenotice三使letmakehave二听listentohear一感觉:feelWarn,tell,allow,help,ask,force等+sbtodosth+sbdosth（省略to）Imadehimdohiswork.Hewasmadetodohiswork(byme).变成被动，被省略的to要还原。不定式用在介词but,except,besides后时,如果这些介词前有行为动词do的各种形式,那么

4、介词后的不定式不带to,相反则带to.(1).Shecoulddonothingbutcry.(2).Ihavenochoicebuttogo.Note1Note2Ihavesomethingtosay,butmybrotherhasalotofhomework_____,soIamlookingforsomeone__________.(5).不定式作定语不定式作定语时，应放在被修饰词的后面，而且放在其他后置定语之后。Igotupearlyto______________.Icamehereto___________.(6)不定式作状语inorderto

5、,soasto,enoughto,onlyto,too….to.,catchthetrainHedidn’tknow____________.(8).与疑问词等连用whattosay不定式与疑问词who,which,when,how,what等连用，在句中起名词作用，可充当主语、表语、宾语等。Hedidn’tknowwhattosay.(宾语)Howtosolvetheproblemisveryimportant.(主语)Myquestioniswhentostart.(表语)注意：在与why连用时，只用于why或whynot开头的简短疑问句中，后面紧跟的

6、动词不定式不带to。Whynothavearest?动词ing1.Itisnecessarytobepreparedforajobinterview.___theanswersreadywillbeofgreathelp.Atohavehad.Bhavinghad.Chave.Dhaving.2.--WhatdoyouthinkmadeMarysoupset?---___hernewbicycle.AAsshelost.Blost.CLosing.Dbecauseofdoing.动名词多表示一般的、抽象的、泛指的概念或一个已经完成了的动作，强调的是事情本身

7、。而不定式则表示具体的第一次行为或将来的动作，强调的是动作本身，不过有时二者之间区别很小。如：ReadingEnglishnovelsisreallygreatfun.读英语小说真有趣。ToreadEnglishnovelsthiseveningwilltakemostofmytime.今晚读英语小说会花去我很多时间。做主语1.Itisbelievedthatifatoyis___,itwillsurely___thechildren.Ainterested,interest.Binteresting,beinterested.Cinteresting

8、.beinteresting.Dinteresting,inter