不定式--英语课件（梁凡）.ppt

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1、ByLiangFanFromQionghuMiddleSchoolApr.18,2013InfinitiveByLiangFanFromQionghuMiddleSchoolApr.18,2013Infinitive1.talkingtome.2.tomeet.3.toknow4.what’stheweatherlikethere?5.Anythingelse?6.thatsoundswonderful.形式：todo否定形式：nottododonotdo功能：动词不定式具有名词、形容词和副词的特征。因此在句中可以做主语、表语、宾语、宾语补足语、定语和状语概念：动词不定式是

2、非谓语动词的一种，它没有人称和数的变法，在句子中不能独立作谓语。中考考点：重点考查非谓语动词中的动词不定式作宾语、宾语补足语和目的状语。动词不定式的用法：1.用作主语B.可用it作形式主语，动词不定式放在后面作真正的主语。Ittakeshimtenminutestogetthere.C.Itis+adj.+forsbtodosth.(for引出动作发出者）Itis+adj.+ofsbtodosth.(of侧重对人的品格,特征,性格的描述.)It’shard___youtodoitwell.It’ssilly___himtodosuchathing.A.谓语动词用单数三人称f

3、orof2.用作宾语。V.+(not)todosth.A.类似用法的动词还有：wish/want/wouldlike/like/hope/plan/help/agree/learn/fail/prefer....+todosth.B.不定式作宾语时，如带有宾补，则要把不定式放在后面，用it作形式宾语。谓语动词常用find,feel,think.结构：主语+find/feel/think+it+adj./n.+todosth.Ifeelitmydutytodoso.Ifeelthatmydutytodoso.itisC.forgettodo忘记去做某事，还没做forgetdo

4、ing忘记做过某事，已做过类似动词还有：remembertodo记得做过某事，已发生rememberdoing记住去做某事，未发生stoptodo把某事停下来stopdoing停下去做另外的事Remembertocallme.Irememberseeingyousomewherebefore.Hestoppedtotalkwithme.Hestoppedtalking.A.类似动词还有：want/tell/invite/encourage/advise/allow/help/expect...+sb.todosth.3.用作宾补：tellsb.(not)todosth.B.

5、使役动词：let/make/have+sb.dosth.C.感官动词：一感二听(三让)四看feelhear,listentolet,make,havelookat,see,watch,noticeIfeltsomeone______（enter）themeetingroomjustnow.Shemademe______(feel)afraid.feel=Iwasmade______(feel)afraid.tofeelenterD.Shewasheardsinglastnight.对吗？Shewasheardtosinglastnight.感官动词和使役动词后的不定式在主动

6、语态中省略to，在被动语态中必须加上to。句型：Sb.+bedone+todosth.E.感官动词后接do和doing的区别+do表示动作的完整性seesb.doingsth.seesb.dosth+doing表示动作的进行性Isawhim(play)basketball.Isawhim(enter)theshopjustnow.enterplaying4.用作状语Icometoseeyou.(目的状语)Iamsorrytohearthat.(原因状语)Theroomislargeenoughtohold200people.(结果状语)5.用作表语Hiswishistobe

7、ascientist.6.用作定语Ihavetwobookstoread.不定式与被修饰词有动宾关系，若为不及物动词，介词不可省略.Shedoesn’thaveapentowritewith.7.疑问词who/what/which/where/when/how+todo可构成不定式短语，可用作主语，宾语等Hedidn’ttellmewheretogo.Whentostarthasnotbeendecided.最好还是（不）做……请您做……？为什么不做…?宁愿做……而不愿....hadbetter（not）do...