9A《Unit3Teenageproblems》Grammar（1）教学目标1.使学生了解和掌握不定式的基本用法。2.使学生能识别不定式在句中的成分。教学内容教学准备投影仪；PPT教学步骤Step1导入.1.老师向同学们问好，然后说：Iwanttoaskifyouhavehandedinyourhomework.(yes)Fine.CanMilliehandinherhomeworkontime.(yes)Good.because”tohandinhomeworkontimeisgood”.(板书)butshealsofeelbad.Soshewritesaletter.shehopes(引导学生说tohearfromyousoon(板书))Danielhasthesameproblemhisdream(引导学生一起说tobeagreatfootballplayer(板书)buthisparentsdoesn’tallow(引导学生一起说himtostayoutafter6p.m.(板书)（这四句话放在黑板上，一会回来用）Tohandinhomeworkontimeisgood.Ihopetohearfromyousoon.Mydreamistobeagreatfootballplayer.Myparentsdonotallowmetogooutafter6p.m.（引入不定式内容）2.老师继续说：TodayDanielstillhasalotofhomeworktodo.DoyouwanttoknowhisEnglishhomework?Iwanttoseeifyoucandoit.Whatpartsofasentencetheyare.Heisateacher.HegivesmeanappleIwantanbasketball.Thisadviceisvaluable.（引入句子结构概念）Step2呈现领学生做完之后，说：“You’resoclever.AndDanielhasthesameanswer.(指着黑板上的句子问)OK,let’shavealookattheunderlinedparts.Danielwantstoknowtheirpartsofasentence.Canyouhelphim?Tohandinhomeworkontimeisgood.Ihopetohearfromyousoon.Mydreamistobeagreatfootballplayer.Myparentsdonotallowmetogooutafter6p.m.多媒体领同学们做完练习后，通过多媒体教授Tohandinhomeworkontimeisgood.==Itisgoodtohandinhomeworkontime.(习得不定式在句中的成分)Step3.练习1.Theboypromisesnottobelateforschoolagain.2.MrWutellsthestudentsnottoshoutinclass.3.Lindacamebackhometofindherhouseonfire.4.Itisnecessarytoplanttreeseveryyear.5.Mypurposeistohelpyousolveyourproblem.6.Sheranfasttocatchthefirstbus.7.Heisalwaysthelasttoleave.练习加导出另外两种用法。为了凸显需要讲的三句，这一次不挨着做，老师按照主语、表语、宾语，宾语补足语的顺序问，那么剩下三句是什么句子成分呢？通过多媒体讲解不定式做定语和状语。学完后后领同学读一下49页里的句子。（习得全部不定式的句子成分）Step4呈现多媒体展示Eddie和Hobo的对话-----Hobo,Iwillneverforget”to”.----Good,butsometimeswedon’tuseit.----So?----Havealook。通过呈现的例子讲解bareinfinitive的集中情况，多媒体展示havegetmake以及noticeseehear引导学生给出更多例子。（扩展学习）1.WecanletEddiedothishardjob.2.IoftenseeEddieeatfood.3.IcomeheretohelpEddieandplaywithhim.
