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第三课时SectionA(GrammarFocus~4c)单元语法精讲精练动词词组在英语中,有些动词通过在后面加上介词、副词或其他词表达特定含义,这样的短语称为短语动词,其作用和动词差不多。有些短语动词相当于及物动词,有些则相当于不及物动词。短语动词的构成主要有以下几种形式:◆动词+介词常见的有askfor,agreewith,beginwith,callon,careabout,dealwith,laughat,lookafter/at/for,takeafter,workon等,这类短语动词的宾语放在介词后。eg:Wehavetolookafterourselveswhenweareawayfromhome.◆动词+副词常见的有cheerup,cleanup,fixup,giveup,lookup,handin,putaway/up/off/on,takeoff,thinkover,turndown/off等。这类短语动词的宾语是名词时,置于副词前后均可;若宾语是代词,则只能置于动词和副词之间。eg:Turnoffthelight,please./Turnthelightoff,please.Shelooksreallyupset.Let'scheerherup.◆动词+副词+介词常见的有catch/keepupwith,comeupwith,dowellin,geton/alongwith,lookforwardto(盼望,期待),runoutof,stayawayfrom等。这类短语动词的宾语只能放在介词后。eg:Whatifyourunoutofallyourpocketmoney?◆动词+名词+介词常见的有makefunof(嘲笑,取笑),makeuseof(利用),payattentionto,takecareof,takepartin,takepridein等。这类短语动词的宾语只能放在介词后。eg:Youmustpayattentiontoyourspelling.◆be动词+形容词+介词eg:Mysisterisgoodatdancing.动词不定式1.动词不定式的定义动词不定式由“to+动词原形”构成,没有人称和数的变化,在句子中不能单独作谓语。动词不定式的肯定形式是“todosth”;否定形式是“nottodosth”。2.动词不定式的功能动词不定式具有名词、形容词和副词的特征,因此在句中可以作主语、宾语、宾语补足语、定语和状语等。eg:Iwanttogoshoppingwithyou.一、单项选择。1.—WhatdidyoudoonEarthDaythisyear?—We____ashowtospreadthemessageaboutprotectingtheenvironment.(2015,福州)A.putonB.putupC.putaway2.Theyheardthepartywas____becauseofexam.(2015,青岛)A.putonB.putupC.putoffD.putdown3.InthesongIBetMyLife,theUSrockbandImagineDragontellspeopleneverto____catchingtheirdreams.(2015,连云港)A.giveupB.giveoutC.giveinD.giveoffACA4.—Therearesomanyproblems.I'msoafraid.—Youshouldtryto____yourshynessfirst.You'renotachildanymore.(2015,鄂州)A.pickupB.takeawayC.takeoffD.getover5.—Jason,wouldyouplease____thisnotice?—Withpleasure.(2015,武汉)A.putonB.putoffC.putupD.putout6.Paulmadeanicecage____thelittlesickbirdtillitcouldfly.A.keepB.keptC.keepingD.tokeepDCD7.Whenthechildsawhisuncle,heranup____hellotohim.A.sayB.saidC.saysD.tosay8.Whenyouleave,pleaseturnoffthelight____energy.(2015,泰安)A.saveB.tosaveC.savingD.saved9.____Englishwell,onemusthavealotofpractice.A.SpeaksB.TospeakC.SpokenD.Speak10.—WhyisLinlinpracticingspeakingEnglish?—____abroadforfurtherstudy.A.GoB.GoneC.TogoD.GoesDBBC
本文标题:八年级英语下册Unit2Illhelptocleanupthecityparks第三课时Sectio
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