专升本英语-非谓语动词ppt课件.pptx

《专升本英语-非谓语动词ppt课件.pptx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、非谓语动词非谓语动词动词不定式todo动词-ed过去分词动词-ing现在分词-ing动名词1.谓语动词：在在句子中担任谓语的动词2.非谓语动词：是动词的特殊形式，在句中可以作除谓语外的所有成分非谓语动词使用条件：一个句子当中，已经存在一个主句（谓语动词），又没有连词的情况下,还有别的动词出现时。Shegotoffthebus,leavingherhandbagonherseat.Shegotoffthebus,butleftherhandbagonherseat.概述动词不定式todo一、基本构成：由不定式符号to加动词原形构成。

2、其否定式由not+不定式构成肯定式：todosth否定式：nottodosth.被动式：tobedone完成式：tohavedone二、动词不定式的句法作用法动词不定式有副词，形容词和名词的特征，因此在句中可作主语、宾语、宾语补足语、表语定语、状语等成份。动词不定式Todothatsortofthingisfoolish。IwanttoseeyouthiseveningAllyouhavetodoistofinishitquickly.Wefoundahousetolivein.ShecameheretostudyEnglish.

3、Iwarnedthepatientnottoeatcoldwateraftertheoperation.主语宾语表语定语状语宾补(1)作主语不定式做主语时，可以直接放在谓语动词之前。Toseeistobelieve．Nottogetthereintimeisyourfault.注：常用it做形式主语，将todo放在位于之后，使句子保持平衡。句型1：It+谓语+todoIttakesusanhourtogettherebybus.句型2：It’s+n.+todoIt’sourdutytohelpthepoor.Itisagreate

4、njoymenttospendourholidayinthemountains.句型3：Itisadj.for/ofsb.todosth.Itis+adj+forsbtodosth（用来形容人的品质的）（用来形容事物的性质的）Itiseasyformetofinishthisworkbeforeten.Itisagreathonorforustobepresentatyourbirthdayparty.Itis+adj+ofsbtodosthItisverykindofyoutogivemesomehelp.It'simpolit

5、eofyoutospeaktotheteacherlikethat.(2)作宾语Iwanttoknowthismatter.Idon’texpecttomeetyouhere.1)接不定式做宾语1.Theywanted(get)onthebus,didn’tthey?2.Hesaidhewished(be)aprofessor.3.Iagreed(go)therewiththedoctor.4.Mydaughterpreferred(dance)whenshewasinhertwenties.5.Hehadpromised(giv

6、e)meahand.togettobetogotodancetogive2)常跟疑问词+不定式作宾语的动词:tell,advise,show,teach,findout,decide,discuss,learn,explain…know,show,discover,see(understand)Hetaughtushowtousethetool.Noonecouldtellmewheretogetthebook.Ihopeyou’lladvisemewhattodo.(3)it作形式宾语Ifeelthattoworkwithhim

7、isinteresting．Ifeelitinterestingtoworkwithhim．注意：不定式短语作宾语时，如果还带有宾语补足语，往往把不定式宾语放在宾语补足语之后，而用it作形式宾语。结构：主语+find/think/feel/make/consider…it+adj/n+todosth.1.Do you consider ___ better notgo?2. I feelmy dutychange all that.3.Wethinkimportantobeythelaw.4.Iknow__impossible__

8、finishsomuchhomeworkinaday.ittoittoittoitto(4)不定式作状语表示目的、原因、结果或条件Icameheretoseeyou．Wewereveryexcitedtohearthenews.Hehurriedt