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动词ing形式的用法及变化规则一．动词ing形式的用法1.正在进行时中,谓语动词后加ing.如:I'mplayingfootball.2.一些特殊表达..如:begoodatdoingsthenjoydoingsth.bebusydoingfeellikedoingthankyoufordoingdosomecooking/cleaning/reading/shopping/washinggoswimming/fishing/shopping/skating/boating二．动词现在分词由动词原形在词尾加ing构成，其规则如下：1）一般情况下直接加ingthink---thinkingsleep---sleepingstudy---studyingspeak---speakingcarry---carryingsay---saying2）以不发音的字母e结尾的单词，去掉字母e，再加ingwake---wakingmake---makingcome---comingtake---takingleave---leavinghave---having3）以重读闭音节结尾，呈现“辅，元，辅”结构的动词，先双写末尾的辅音字母，再加ing。初中学过的这类词有：begin，cut,get,hit,run,set,sit,spit,stop,swim,beg,drop,fit,nod,dig,forget,regret,rid,等。(visit不是以重读闭音节结尾，不用双写)travel虽然重读第一音节，词尾音节不重读，但是现在分词仍要双写末尾辅音字母，然后再加ing，如：travel---travelling.初中阶段此类词只有这一个。4）以y结尾的动词直接加ingcarry——carryingenjoy——enjoying5）以ie结尾的动词，把ie改为y，再加ingdie---dyinglie---lying要特别注意有些动词没有进行时态.1、表示状态、思想、感情和感觉的动词，如：see,hear,love,know,want,hope,think等，没有进行时态。2、当have/has作为“拥有”时，没有进行时态，但表示“开会，吃饭，玩得高兴”等意思时，可以用进行时表达。Iamhavingmanybooks.（这是错误的句子）Iamhavingagoodtime.（这才是正确的句子）一.写出下列动词的现在分词形式work___________visit__________play__________study__________dance__________have__________travel__________take__________drop__________sing__________shop__________swim__________lie__________二．选择题练习1.Who______________overtherenow?A.singingB.aresingC.issingingD.sing2.It’seighto’clock.Thestudents_____anEnglishclass.A.haveB.havingC.ishavingD.arehaving3.Listen!Thebaby_____inthenextroom.A.cryingB.criedC.iscryingD.cries4.Look!Thetwins_____newsweaters.A.arewearingB.wearingC.arewearD.iswearing5.Don’ttalkhere.Grandparents_____.A.issleepingB.aresleepingC.sleepingD.sleep三.填空：1.MissLi_______(like)sleepingintheday.2.Listen!Who________(talk)withyourparents3.Thegirl________(notdance)onWednesday.ShedancesonFriday.4.Hewants________(be)ateacher.5.Everyone_________(say)sheisagoodshopassistant.6.Canshe_________(sing)inEnglish7.Theylike________(read)underthetree.Look!They________(sit)theretoread.8.Let's________(eat)lunchtogether(一起).9.Look!Acat________(run)upthetree.10.It's6:30.Mybrother________(see)amovie.11.Sam________(go)toschoolat7:00everyday.12.Peggyis________(clean)thebedroomnow.Sheisagoodgirl.13.---Where________Mr.Green________(live)---He________inLondon.14.---________you________(clean)yourbedroom---No,I'mnot.I'mcleaningthelivingroom.15.---________Nancy________(talk)onthephone---No,sheisn't.She________(eat)lunchnow.