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1、Unit1Gettingalongwithothers课件12Iwasshockedtofindapieceofpaperinpaperonmydesk…Wecalltheredwords——动词不定式(todosth.).SentencesfromReading:ImustbereallystupidtofailasimplemathquizIpretendedtobecheerful,Wewenttowashourhandsinthegirl’sroom,…Theyadvisedmetogiveupsmoking
2、Theyadvisedme______________smoking.HepromisedtotakecareofthepoorHepromised_______________thepoor不定式的基本形式是由“to+动词原形”构成,其否定形式是nottodo.笔记要点1Step1基本形式和否定形式nottogiveupnottotakecareof动词不定式的时态和语态1.Iopenedthedoortoentertheroom.2.Mr.Smithisgoingtoattendthemeetingtobehel
3、dtomorrow.㈠.一般式(todo/tobedone).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。Step2笔记要点2㈡.进行式(tobedoing)1.Iamverygladtobeworkingwithyou.2.Theyseemedtobetalkingaboutsomethingsecret..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。动词不定式的时态和语态笔记要点3动词不定式的时态和语态㈢.完成式(tohavedone/tohavebeendone)2.
4、I’mpleasedtohavebeengiventhischance.1.YouseemedtohavereadthenovelwrittenbyMr.Smith.如果不定式的动作发生在谓语之前。如果不定式的逻辑主语是不定式所表示的动作的承受者,不定式要用被动形式.语态时态主动语态被动语态一般时进行时完成时小结todotobedonetobedoing无tohavedonetohavebeendone动词不定式Todolikethatisfoolish.Iwanttoseeyouthisevening.Allyou
5、havetodoistofinishitquickly.Wefoundahousetolivein.ShecameheretolearnEnglish.Iwarnedthepatientnottodrinkcoldwateraftertheoperation.主语宾语表语定语状语宾补Step3不定式的用法作主语_____________________________isreallyimportantnowadays.___________________isright=Itisrighttogiveupsmokin
6、g.1.当今掌握一门外语真的很重要。2.放弃吸烟是对的。不定式短语作主语时,用it作形式主语,真正的主语后置。TomasteraforeignlanguageTogiveupsmoking作宾语Freddidn’thaveanymoney,sohedecided_______________________Hepromisednot_________________1.Fred没有钱,所以他决定找一份工作。2.他答应不告诉任何人这事。▲(构成"V.+todo"的形式)afford,agree,arrange,ask,
7、decide,demand,plandesire,expect,hope,learn,manage,offer,pretend,promise,refuse,wish,prefer,happen,intend,fail等不定式短语可以作宾语,以下动词后,跟不定式作宾语tolookforajob.totellanyoneaboutit.Ifinditinterestingtoworkwithhim.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。类似的动词还有(▲(构成"主语+V.+it+
8、宾补+todosth."的形式)feel,think,consider,make,believe)等注意▲形式宾语与形式主语的区别是形式宾语无be动词在feel,hear,listento,lookat,notice,observe,see,watch,have,let,make等词后的补足语中,不定式不带to。但是这些句子如果变成被动结构时,