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1、M5Unit1GettingalongwithothersGrammarandusage(I)Learningobjectives:1.Torecognizethebasicformsoftheto-infinitiveandthebareinfinitive.2.Tolearnhowtousetheinfinitiveindifferentsituations.3.Dosomeexercisestoconsolidatetheuseoftheinfinitive.Learningprocedures:Step1:Lead-in1）Theformationoftheto-infini
2、tive(动词不定式的构成)：2)Whatdoestheto-infinitivefunctionas?(动词不定式起什么语法功能？)Step2:Identifyingthefunctionsoftheto-infinitive[来源:Zxxk.Com]1.Readpoint1onpage8ascarefullyasyoucanandrememberthedifferentfunctionsoftheto-infinitive.2.Readandstudythefollowingsentencesandpointoutthedifferentfunctionsoftheto-infi
3、nitive.Totalkwithyourmouthfullisrude.__________Iliketoreadnewspaperarticlesaboutsports.__________TellJacktoclosethewindow,please.__________[来源:学。科。网]Heislookingforanapartmenttolivein.__________Hisplanistogoabroadandcontinuehisstudies.__________Samwasluckytocatchthefirstbusthatmorning.__________
4、Step3:Grammaticalfunctionsoftheto-infinitive1）Tofinishtheworkintenminutesisveryhard.Toloseyourheartmeansfailure.总结：动词不定式短语作_______时，谓语动词用________且常用it作形式主语，如上面两句可改写如下：______isveryhardtofinishtheworkintenminutes.______meansfailuretoloseyourheart.不定式作主语常见句型：a)Itis+adj.(easy,important,difficult…)+
5、不定式b)Itis+n.(apity,apleasure,one’sduty,ashame)+不定式c)Ittakes/needs/requires+sometime(hours,days,patience…)+不定式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。如何处理垃圾是个问题。________________________isaproblem.2）Herjobistocleanthehall.Heappearstohavecaughtacold.总结：动词不定式短语作________时，表示具体动作或将来动作。[来
6、源:学科网]当句子的主语是aim,idea,wish,task,duty,dream,purpose等或者主语是what引导的名词性从句时，后面可以用不定式做表语，用以说明主语所包含内容。m注：作表语的不定式都带to，但当主语部分有实义动词do时，to可以省略。6Nowtheonlythingwecandoiswait.3）常与不定式做宾语连用的动词有：want,hope,wish,offer,fail,plan,learn,pretend,refuse,manage,help,agree,promise,prefer,如果不定式（宾语）后面有宾语补足语，常用it作形式宾语，真正的宾
7、语（不定式）后置，放在宾语补足语后面，常用动词有believe, consider, declare, feel, find, guess, imagine, prove, realize, suppose等。如：Marxfound_____importanttostudythesituationinRussia.动词不定式也可充当介词宾语，只有少数介词如but,except等后面可以跟不定式作宾语。一般情况下作介词宾语的不定式都带to，但如果but或ex
