最新动名词ppt课件.ppt

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1、动名词动名词1构成2功能3时态4语态动名词的构成是由动词末尾加-ing形式构成，因此又叫动词的-ing形式。动名词否定式：not+v-ing注意：不能单独作谓语，没有人称和数的变化，有时态和语态的变化。动名词作主语的形式主语句型1.Itisnouse/gooddoing….2.Itisnotanyuse/gooddoing….3.Itisworthwhiledoing….4.Itishardlyworthdoing….5.Thereisnodoing….6.It’sawasteoftimedoing….eg.It’snogoodtellingherallthetruth.It

2、’snousecryingoverthespiltmilk.Thereisnotalkingwhatwillhappen.It’sawasteoftimearguingaboutit.Itisworthwhiletryingthisexperiment.动名词和不定式作主语的区别：动名词作主语表示一般或抽象的多次性行为；不定式作主语往往表示具体的或一次性的动作。eg.Playingwithfireisdangerous.Toplaywithfirewillbedangerous.Smokingisprohibitedhere.Tosmokesomuchisn’tgoodfor

3、you.考点（2）与不定式作主语的区别完成句子：①读书是一门艺术。isanart.②爬山真有趣。isreallyfun.③对于商人来说，收集信息是很重要的。isveryimportanttobusinessmen.④这次很难拒绝他。isnoteasythistime.⑤我今天的任务是清洁这个房间。ismytasktoday.动名词作主语。句型1：位于句首考点（1）谓语用单数：Beingtooanxioustohelpaneventdevelopoften(result)inthecontrarytoourintention.(2008年广东高考题)resultsReading

4、ClimbingmountainsCollectinginformationTocleantheroomTorefusehim动名词：表抽象的、经常性的动作。不定式：表具体的、一次性的、将来的动作。考点（3）：用所给词的正确形式填空：①Seeingis(believe).(see)istobelieve.(live)isstruggling.Toliveis(struggle).③Itiseasiertoreadaforeignlanguagethan(speak)it.Readingaforeignlanguageiseasierthan(speak)it.believin

5、gToseeLivingtostruggletospeakspeakingnouse/goodnotanyuse/goodoflittleuseuselessItis/wasawasteoftime+doingsth.worthwhilehardlyworthfun…翻译：1.跟他争吵是没用的。2.和孩子们一起玩真好。3.阅读这样的书是浪费时间。句型2：用It作形式主语习惯句型：Itisnousearguingwithhim.Itisfunplayingwithchildren.Itisawasteoftimereadingsuchabook.句型3：Thereisno+do

6、ingsth.无法/不能……英译汉：Thereisnoknowingwhattheweatherwillbelike.Thereisnotellingwhatwillhappen.作表语Myjobisteaching.=Teachingismyjob.Herfull-timejobislayingeggs.=Layingeggsisherfull-timejob.动名词和不定式作表语的区别：动名词作表语表示一般或抽象的行为；不定式作表语往往表示具体的某次动作,特别是将来的动作时,多用不定式.eg.Myfavouritehobbyisjogging.Hisideaistogiv

7、euptheplan.注意：现在进行时着重强调动作正在进行.eg.Heiscleaningthewindow.作宾语Hekeepsbuyingexpensivemaps.Ihavejustfinisheddoingmyhomework.Heisfondofplayingfootball.Sheleftwithouttellingme.注意：动名词可以作动词、动词短语及介词的宾语一.只接动名词作宾语的常见动词(短语)有:dislike,avoid,consider,finish,suggest,deny,