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1、非谓语动词莆田第十二中学不定式一不定式的用法Itisverydangeroustodoit.主语Toseeistobelieve.常用于句型：Itis+adj.+for/ofsb+todostheg:Itisbraveofyoutodothat.Itiseasyforyoutodothat.表示人物特征的形容词同of后的名词或代词有意义上的主表关系，常与of搭配。Brave,careful,careless,clever,considerate,cruel,foolish,good,honest,kind,nice,right,rude,st
2、upid,silly,thoughtful,wise,wrong表示事物性质的形容词与不定式关系密切，有主表关系，常与for搭配。Easy,hard,heavy,necessary,impossible,possible,important,difficultIstillwanttobeaquietandhandsomeman!2.宾语 IfinditinterestingtostudyEnglish.有些动词后只跟不定式作宾语，如：manage,promise,pretend,plan,offer,agree,ask,dare,choose
3、,fail,help,want,refuse等HowshouldImakemyteacherbelieveit?3.宾语补足语Heaskedmetodotheworkwithhim.注意：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.但是变成被动结构，必须带to.Iheardhimsingasong.Hewasheardtosingasong.4.定语PutinnowhastofindnewwaystodevelopRussi
4、aneconomy.注1：作定语的不定式如果是不及物动词，或者不定式所修饰的名词或代词是不定式动作的地点、工具等，不定式后需有介词Pleasegivemeaknifetocutwith.Thereisnothingtoworryabout.Heislookingforaroomtolivein.Heisthefirstonetocomehere.但是，不定式所修饰的名词如果是time,place或way,不定式后面的介词习惯上可以省略。Hehadnomoneyandnoplacetolive(in).注2：have表示“有”，todo主动和被
5、动意思不一样Haveyouanythingtoclaim（申报）?动作执行者youIamgoingtoBeijingnextweek.Haveyouanythingtobetakentoyourson?动作执行者是我-----WhydidyouaskforleavelastFridaynight?----Totellyouthetruth,Iwenthometowatch“Runningman”.5.状语Icameheretoseeyou.(目的)Wewereexcitedtohearthenews.(原因)so…asto,such…asto
6、,enoughto…,onlyto…,too…to这画面太美我不敢看It’ssobeautifulthatI’mtooscaredtoseeit.(结果）注1：某些形容词在too…to结构中表肯定，它们是anxious,delighted,eager,easy,glad,kind,pleased,ready,surprised,willing等。Shewastoosurprisedtoseehowangryherfatherwas.(看到父亲那么生气，她很吃惊)注2：在not,never,only,all,but等后的too…to结构中too
7、意为very，没有否定含义。It’snevertoolatetolearn.I’monlytoogladtostayathome.Eatingiseasy,losingweightisnot.Itistobecherished.6.表语Myjobistohelpthepatient.7.独立成分totellthetruth,tobefrank,tobeexact,tobeginwith,tomakemattersworse8.不定式与疑问词连用在句中起名词作用，可充当主语，表语，宾语等。Howtosolvetheproblemisveryim
8、portant.Myquestioniswhentostart.Hedidn’tknowwhattosay.注意：在与why连用时，只用于why或whynot开头的
