动词不定式公开课复习

Welcome!Theinfinitive动词不定式

todo

nottodo语法复习----动词不定式动词不定式TheInfinitiveTalkaboutyourvacationplanswantplanwouldlikehopeexpectpreferdecide…to…IWehavealotofhomework________(do).Wehavemanybooks_________(read).Wedon’thaveenoughtime_______(relax)ourselves.todotorelaxWehavelotsofthingstodoeveryday.

toreadMydreamisto…动词不定式

定义构成

用法

动词不定式是非谓语动词的一种，它没有______和_____的变化，在句子中不能独立作______，但具有名词、形容词和副词等的功能，可在句中用做多种_________。一、定义人称

数谓语句子成分Sheaskedmetocomeontime.Mymotheraskedmenottoswiminthatriver.HetoldLilytositdown.Theteachertoldthestudentsnotto

makenoise.肯定：否定：二、构成to+V原notto+V原主语（Subject）宾语（Object）宾补（Objectcomplement）定语（Attributive）状语（Adverbial）表语（Predicative）与疑问词连用（interrogative

）三、用法1.作主语Togrowtreesisveryimportant.

Itisveryimportanttogrowtrees.不定式作主语时,往往放在谓语之后,用it作形式主语。你那样做是有礼貌的。

Itispolite

ofyoutodothat.学英语对我们来说是重要的。Itisimportant

forustolearnEnglish.Itis+adj.+ofsb.todosth.2.Itis+adj.+forsb.todosth.good,kind,nice,rude,clever,right,silly,brave,selfish…

easy,hard,difficult,important,possible,necessary…描述人的性格、品质的形容词描述事物特征的形容词用of用for1.对我们来说，努力学习是必要的。2.你那样做很有礼貌。It’snecessaryforustostudyhard.

It’sverypoliteofyoutodothat.难点突破:1)Iwanttobuy

acomputer.2)Shehopestofind

abetterjob.3)Iwishtogo

withyou.你还学过哪些可以接不定式作宾语的动词？2.作宾语(v.+todo)想做某事愿意做某事希望做某事决定做某事需要做某事同意做某事计划做某事学会做某事主动提出做某事wanttodowouldliketodohopetodo/wishtododecidetodoneedtodoagreetodoplantodolearntodooffertodoPractice1.I_______________(希望收到…来信)yousoon.2.John_____________________(不想放弃)hisstudy.3.Millionsofpeople__________________(已学会使用)computers.

hopetohearfromdoesn’twanttogiveuphavelearnedtouse有些词既可接动词不定式又可接动名词，但含义不同，你认识它们吗？

注意1：含义不同：remembertodosth.记得要做某事rememberdoingsth.记得做过某事forgettodosth.忘记要做某事forgetdoingsth.忘记曾经做过某事stoptodosth.停下来去做某事stopdoingsth.停止做某事goontodosth.继续做另一件事goondoingsth.继续做原来在做的事needtodosth.需要做某事needdoingsth.需要被做trytodosth.尽力去做某事trydoingsth.尝试去做某事难点突破：别忘了离开时把灯关了。Don’tforget__________________beforeleaving.2.父亲必须戒烟了。Fathermuststop________.3.他看完电视后，继续看了一会书。AfterhewatchedTV,hewenton_______booksforawhile.toturnoffthelightssmokingtoreadsb.think/find+it+adj.+todo

注意2Shefinds

it

necessary

totalktohimagain.Ithink

it

important

tolearnEnglish.不定式作宾语时，如带有宾语补足语，则用it作形式宾语难点突破：1.他认为学好电脑是有用的。2.我发现要让她停止哭是很难的。Hethinks___________________________.Ifound____________________________itusefultolearncomputerwellitdifficulttomakeherstopcrying.

3.作宾语补足语SheaskedmetowatchTV.Lucytoldhimnot

tocry.此类动词还有哪些？想要某人做… 希望某人做…允许某人做… 建议某人做…鼓励某人做…帮助某人做…喜欢某人做…wantsb.todowish/hopesb.todoallowsb.todoadvisesb.todoencouragesb.todohelpsb.(to)dowouldlikesb.todo常考难点：1）Letmedoit.2）Isawhimcrossthestreet.上述动词接不定式省略了___？to作宾语补足语不带to的情况：常见动词有：?使役动词:let,make,have感官动词:see,watch,notice，hear,feel如：老板让工人们整天都工作。Thebossmadetheworkers______allday.但这些词在被动语态里要还原to如：Isawhimplayfootballyesterday.Hewasseen_________footballyesterday.worktoplay昨天我看见他踢足球。比较：1）Iheardhersinginthenextroom.2）Iheardhersinginginthenextroom.感官动词后既可跟不带to的不定式作宾补，也可跟动名词作宾补，前者表示动作的全部过程已结束；后者表示动作正在进行。以上两句有什么不同？1.JohnwasmadethecarforaweekasapunishmentA.towashB.washingC.wash2.Iheardherat8:00yesterday.A.singB.singingC.sang3.Youmustn’tlethimtoomuchTV.A.watchB.towatchC.watchingACA难点突破:1)Iwentthereinorder

toseemyteacher.2)Theboywastoofrightenedto

move.(目的)(结果)（原因）3)I’msorrytotroubleyou.常考：inorderto/too…to4.作状语1Sheranfast________________(为了赶上)thefirstbus.2、Iwas______________________(太累了，难于入睡。)难点突破：inordertocatchtootiredtofallasleep1)Haveyougetanythingtosay?2)He’slookingforaroomtolivein?不定式作定语，如果不定式的动词是不及物动词，则不定式中要有介词。如上例的2)5.作定语Hiswishistobeadoctor.Myjobistohelpthepatient.不定式作表语常放在____动词之后。be6.作表语7.疑问词+不定式不定式与疑问词who,which,when,how,what,where等连用，在句中起名词作用，可充当主语、表语、宾语等。☆在与why连用时，后面紧跟的动词不定式不带to。

Whynothavearest?难点突破:1.Hedidn’tknow__________.(说什么)。2.____________________________(如何保护环境)isveryimportant.3.Myquestionis____________.(什么时候开始)。4.Pleasetellme_________.(去哪儿)5.Idon’tknow_______________(买哪一个)foryou．whattosayHowtoprotecttheenvironment

whentostartwheretogowhichonetobuy常考固定句型:hadbetter(not)dosth.Whynotdosth.?Ittakessb.sometimetodosth.It’stimetodosth.preferdoingtodoingprefertodoratherthandowouldratherdosth.ExercisesIamastudentofGradeNine.Ihavealotofhomework_______(do)everyday.Iworkhard________(get)goodgrades.Inmysparetime,Iusuallylistentomusic________(relax)myself.Butmymotheralwaysasks

me_____________(notspend)muchtimelisteningtomusic.Shewantsm