不定式1-GrammarVIP专享VIP免费

Infinitives（1）FeaturesofInfinitivesBasicform______+_________ChangeofpersonYesNoExamplesentencefromtheconversation:__________________________________________________________________________________ChangeofsingularorpluralformYesNoExamplesentencefromtheconversation:________________________________________________________________________________verbtoIt’snotaneasyjobtobeateacher.Someofthekidswantedtotalkwithyou.It’snotaneasyjobtobeateacher.Theywantedyoutoanswereveryquestiontheyasked.√√Whatareinfinitives?Tickandfillintheblankstofindoutaboutthefeaturesofinfinitives.ChangeofvoiceYesNoExamplesentencefromtheconversation:______________________________________________________________________________________________ChangeoftenseYesNoExamplesentencefromtheconversation:____________________________________________________________________________________________Somekidspretendedtobesleepinginclass.Iamhappytohavebeenstayingwithmyworkmatesandkids!Iwasaskedtorememberallthe60students’names.√√不定式由“to+动词原形”构成。不定式可以带宾语或状语构成不定式短语,没有人称和数的变化,但有时态和语态的变化。不定式可以作主语、宾语、状语、表语和定语，但不能单独作谓语。不定式的逻辑主语有时用“for+名词或代词宾格”构成。总结：动词不定式的时态1.Iopenedthedoortoentertheroom.2.Mr.Smithisgoingtoattendthemeetingtobeheldtomorrow.㈠.一般式(todo)不定式的一般式所表示的动作（状态）同时（或几乎同时）发生，或之后发生。㈡.进行式(tobedoing)1.Iamverygladtobeworkingwithyou.2.Heissaidtobecoming.如果谓语表示的动作（情况）发生时，不定式所表示的动作正在进行。㈢.完成式（tohavedone)1.Iamsorrytohavekeptyouwaitingsolong.2.YouseemedtohavereadthenovelwrittenbyMr.Smith.如果谓语表示的动作发生在不定式之前。(1).Theypretendednottoseeus.(2).Hepretendedtobesleeping.(3).Shepretendedtohaveknownitbefore.(一般式表示与谓语的动作同时/几乎/发生在它之后.)(在谓语动词发生的同时,不定式的动作也正在进行)(完成式表示动作发生在谓语动作之前)(4).We’rehappytohavebeenworkingwithyou.(完成进行式表示谓语动作发生之前,不定式的动作一直在进行而且可能之后也继续)分析：动词不定式的语态㈠.主动式(todo/tobedoing/tohavedone)1.WewanttolearnEnglishwell.2.Idon’twant_____likeI’mspeakingillofanybody,butthemanager’splanisunfair.(2005天津)A.tosoundB.tobesoundedC.soundingD.tohavesounded当不定式逻辑上的主语是不定式所表示的动作的执行者时.㈡.被动式(tobedone/tohavebeendone)1.Hedidn’tliketobelaughedat.2.Thefluisbelieved________byvirusesthatliketoreproduceinthecellsinsidethehumannoseandthroat.(2004上海)A.causingB.beingcausedC.tobecausedD.tohavecaused当不定式逻辑上的主语是不定式所表示的动作的承受者时.总结：主动语态被动语态一般式进行式完成式完成进行式不定式todotobedonetobedoingtohavedonetohavebeendonetohavebeendoing--------------------1).Thereweremanytalentedactorsouttherejustwaiting______.（2010江西）A.todiscoverB.tobediscoveredC.discoveredD.beingdiscovered答案：B解析：演员等待被发现,用被动,“发现”发生在“等待”之后,所以用不定式。2).Thelawyerlistenedwithfullattention，______tomissanypoint.（2010四川）A.nottryingB.tryingnotC.totrynotD.nottotry答案：B解析：句中listen和trynottomiss为同时进行的动作，故用现在分词的一般式做伴随状语。又动词不定式的否定式要在其前加not，故选B。3).Hisfirstbook_____nextmonthisbasedonatruestory.（2010陕西）A.publishedB.tobepublishedC.topublishD.beingpublished答案：B【解析】由时间状语nextmonth可知所填非谓语动词表示将来的动作，用动词不定式，其逻辑...