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1、Unit1GettingalongwithothersGrammarGrammarAfaithfulfriendishardtofind.Theonlywaytohaveafriendistobeone.Itisbettertobealonethaninbadcompany.Lookatfollowingsentences,payattentiontothewordsinred.To-infinitive知音难觅。交友的唯一方法是自己必须够朋友。与恶友交不如独处。Functionsofto-infinitive1)SubjectofasentenceTofindabestfrie
2、ndisdifficult.Totalkwithyourmouthfullisrude.Tobecomealawyerwashischildhooddream.Wealsocanchangethissentenceinto:Itisdifficulttofindabestfriend.Itisrudetotalkwithyourmouthfull.Itwashischildhooddreamtobecomealawyer.Shouldnotbetoolong动词不定式和不定式短语做主语时，常用it做形式主语，其句型结构为：Itis+形容词或名词（或词组）+不定式短语…这时的形容词
3、常为easy,difficult,hard,good,useful,wrong,right,necessary,impossible,important等。名词或词组常为afact,agreatday,agreatthing,apity等。Tip:动词不定式还可以和what,where,how,when,which等连接代词（副词）连用，在句中做主语。如：如何处理垃圾是个问题。______________________isaproblem.HowtodealwiththerubbishTip:2)ObjectIneedtosleepforeighthourseverynight
4、.Iliketoreadnewspaperarticlesaboutsports.Amywantstoknowmoreaboutthefilm.*Verbsthatcanbefollowedbytheto-infinitive:want,hope,wish,like,begin,start,try,need,forget,agree,know,learn,teach,refuse,help,arrange,dare,decide,fail,manage,prepare,ask,hate,prefer,mean,choose,expect,etc.1.Icouldn’tdecide
5、__________________.(买哪哪一个)2.Askhim____________.(想干什么)3.Ilearn________________.(怎么说英语)whichonetobuywhattodohowtospeakEnglish3)ObjectcomplementIaskhimtocomeover.TellJacktoclosethewindow,please.I’dlikeyoutodothejobratherthanTom.动词+宾语+带to的不定式作宾语补足语。常见的这类动词（词组）有ask,teach,tell,want,like,askfor,wait
6、for,advise,invite,have,warn,wish,get等我们看男孩子们踢足球。________________________.Thebossmade______________(让工人们在雨中工作）intherain.theworkersworkWewatchedtheboysplayfootballeg.4)AttributeIhaveaveryimportantmeetingtoattend.Ihavealotofhomeworktodo.Heislookingforanapartmenttolivein.To-infinitiveisputafterth
7、enounphrasethatitmodifies.注1:用作定语的动词不定式可以改变成定语从句。IhaveaveryimportantmeetingthatIhavetoattend.IhavealotofhomeworkthatIhavetodo.Heislookingforanapartmentthathecanlivein.注2:动词不定式用作定语时可以放在一些名词的后面。如：attempt,ability,chance,desire,determination,deci
