living well period 2 learning about language 教学设计

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1、Unit1LivingWellPeriod2：LearningaboutLanguage（RevisetheUseofInfinitive）教学设计TeachingAimsTodiscoverandlearntouseusefulwordsandexpressionsTodiscoverandlearntouseusefulstructuresTeachingProceduresStepI.WarmingupbydiscoveringusefulwordsandexpressionsStepII

2、.DiscoveringusefulwordsandexpressionsDoingvocabularyexercisesTurntopages4－5anddoexercises1.2.3and4．StepIII.ReadinganddiscoveringusefulstructuresNowreadthetextagaintofindasmanyexamplesoftheinfinitiveasyoucan.Theinfinitivecanbeused1．asthesubject2．asthe

3、predicative，3．astheobject4．astheobjectcomplement5．astheadverbial6．astheattributeThefollowingisthedetailedexplanationoftheInfinitives：TheInfinitivesI.Form：A：Therearesixformsoftheinfinitives：ActivePassivesimple（todo）Iwanttodotheworktonight.（tobedone）Th

4、eworkistobedonetonight.perfect（tohavedone）（tohavebeendone）Robertappearstohavedonethework.Theprojectmusthavebeendone.continuous（tobedoing）Petermustbedoinghisworknow.    －－－perfectcontinuous（tohavebeendoing）Theboyisbelievedtohavebeendoingtheworkforthew

5、holeday.    －－－B：Thefullinfinitiveconsistsoftwowords,to＋verb,asshownabove.Butaftercertainverbsandexpressionsweusetheformwithoutto,i.e.the"bareinfinitive".Forexample：Youhadbettersaynothing.C．Itisnormallyadvisabletoputanywordsbetweenthetoandtheverb,but

6、seesplitinfinitive.D．Toavoidrepetition,aninfinitiveissometimesrepresentedbyitsTo.Forexample：A：Doyousmoke?B：No,butIusedto（smoke）.II.Usesoftheinfinitive：A．Usedassubject：a.Aninfinitiveoraninfinitivephrasecanbethesubjectoftheverbs,e.g.appear,seem,beetc.1

7、．Tosavemoneytodayseemsimpossible.ORItseemsimpossibletosavemoney.（here"It"isusedasanformalsubject.i.e.notrealsubject）2．Toleanoutthewindowsisdangerous.ORItisdangeroustoleanoutofthewindows.b.Usuallyinfinitiveconstructionsofthistypeconsistofit＋be＋adjecti

8、ve（forsb）＋todobutsometimesanouncanbeusedinsteadofanadjective.e.g.Itisdifficult（forme）tolearnEnglishwell./Itisadifficulty（forme）tolearnEnglish.c.cost/take＋objectcanalsobeused.e.g.Itcostme200dollarstobuythesebooksthatIlikedmost.Ittookthe200workertobuil