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1、动词不定式7.1不定式作宾语1)动词+不定式affordaimappearagreearrangeaskbedecidebothercarechoosecomedaredemanddesiredetermineexpectelectendeavorhopefailhappenhelphesitatelearnlongmeanmanageofferoughtplanpreparepretendpromiserefuseseemtendwaitwishundertake举例：Thedriverfailedtoseetheothercari
2、ntime.Ihappentoknowtheanswertoyourquestion.2）动词+不定式；动词+宾语+不定式ask,beg,choose,expect,hate,helpintendlike,love,needprefer,prepare,promise,want,wish…Iliketokeepeverythingtidy.Ilikeyoutokeepeverythingtidy.3）动词+疑问词+todecide,know,considerforget,learn,remember,show,understand,s
3、ee,wonder,hear,findout,explain,tellPleaseshowushowtodothat.注意:疑问词带不定式在句中作成分时，谓语动词用单数。Thequestionishowtoputitintopractice.7.2不定式作补语1)动词+宾语+不定式(todo)adviseallowappointbelievecausechallengecommandcompelconsiderdeclaredriveenableencouragefindforbidforceguesshireimagineimpel
4、induceinforminstructinvitejudgeknowlikeorderpermitpersuaderemindreportrequestrequireselectsendstatesupposetellthinktraintrustunderstandurgewarnFatherwillnotallowustoplayonthestreet.Find的特殊用法：Find后可用分词做宾补，或先加形式宾语，再加形容词，最后加带to的动词不定式。find后也可带一个从句。此类动词还有get，have。Ifoundhimly
5、ingontheground.Ifounditimportanttolearn.IfoundthattolearnEnglishisimportant.2)to+be的不定式结构，作补语的动词。Acknowledge,believe,consider,think,declare(声称),discover,fancy(设想),feelfind,guess,judge,imagine,know,prove,see(理解),show,suppose,take(以为),understandWeconsiderTomtobeoneofthebe
6、ststudentsinourclass.3)tobe+形容词Seem,appear,besaid,besupposed,bebelieved,bethought,beknown,bereported,hope,wish,desire,want,plan,expect,mean…Thebookisbelievedtobeuninteresting.4)therebe+不定式believe,expect,intend,like,love,mean,prefer,want,wish,undrstandWedidn’texpectthere
7、tobesomanypeoplethere.注意：有些动词需用as短语做补语，如regard,thinkbelieve,take,consider.WeregardTomasourbestteacher.7.3不定式主语1）easy,difficult,hard,important,possible,impossible,comfortable,necessary,better;thefirst,thenext,thelast,thebest,toomuch,toolittle,notenoughIt’seasy(forme)todo
8、that.It’ssonicetohearyourvoice.2)Kind,nice,stupid,rude,clever,foolish,thoughtful,thoughtless,brave,considerate
