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1、一、定义动词不定式是非谓语动词的一种，它没有人称和数的变化，在句子中不能独立作谓语，但它仍保持动词的特点，既可以有自己的宾语和状语。二、结构to+动词原形do三、用法动词不定式具有名词、形容词和副词的特征。因此在句中可以做主语、表语、宾语、宾语补足语、定语和状语动词不定式句子语法功能1.ShewantedtoborrowmyCDplayer.2.Lucyaskedhimtoturndowntheradio.3.Tolearnaforeignlanguageisnoteasy.4.Shewentt
2、oseehergrandmalastSunday.5.Hisjobistofeedthechickens.6.Haveyougotanythingtosay?指出下列句子中的动词不定式的语法功能作宾语作宾补作主语作状语作表语作定语用所给动词的正确形式填空Iwant_______(do)itmyself.Ourteacherpromised_______(see)themoviewithus.Afteryoufinish_______(read)it,youmustreturnittome.Heo
3、ftenpractices_________(speak)EnglishwithMrGreen.You’dbetterputoff________(have)themeetingtillnextmonth.todotoseereadingspeakinghaving①用不定式作宾语的动词有：want,hope,wish,like,begin,try,need,forget,agree,know,promise,teach,refuse,help,decide等。②用动名词作宾语的动词有：do,g
4、o,finish,enjoy,practice,keep,putoff,giveup等作宾语（一）用所给动词的正确形式填空Pleaseremember__________(turn)offthelightwhenyouleave.Iremember___________(see)yousomewherebefore.Theystopped_________(talk)whentheteachercamein.Theystopped_________(do)theirworkwhentheteac
5、hercamein.toturnseeingtalkingtodo有些动词既可跟不定式作宾语，也可跟动名词作宾语，但含义不同：remembertodo记住要做某事forgettodo忘记要做某事rememberdoing记得曾经做过某事forgetdoing忘记曾经做过某事stoptodo停下来做另一事goontodo继续做另一件事stopdoing停止做某事goondoing继续做同一件事作宾语（二）不定式作宾语时，如带有宾语补足语，则要把不定式放到后面，用it作形式宾语，构成“主语+动词+i
6、t+宾补（形容词、名词）+不定式”结构。如：Hefounditverydifficulttogettosleep.翻译下列句子1、我们发现与他工作很困难。Wefind____________________________________.2、我们认为保护树木很重要。Wethink___________________________________.3、我们认为保持我们的环境干净整洁是我们的责任。Webelieve________________________________________
7、________.itdifficulttoworkwithhimitveryimportanttoprotectthetreesitourdutytokeepourenvironmentcleanandtidy作宾语（三）选择填充ItoldBob_____theTVsinceitwastoolate.A.turnoffB.turnsoffC.turningoffD.toturnoff2.Myparentsaskedme_____homeearlieryesterday.A.getB.getti
8、ngC.togetD.got3.Theboboftenmadehim_____twelvehoursaday.A.workB.worksC.workedD.toworkDCA1、后面能接to不定式作宾语补足语的动词有：ask,tell,order,invite,teach,tell,want,wish等。2、后面接不带to的不定式作宾语补足语的动词有：使役动词：let,make,have感官动词：feel,listen,hear,lookat,see,watch,notice3、后面带to或不带
