河北省中国第二十冶金建设公司综合学校高中分校高中英语人教版选修七教案Unit1LivingWellGrammar（todo不定式）

Book7高二英语Unit1LivingWell:Grammar(todo不定式)Teachingaims1．Studentswillbeabletorecognizetheinfinitivesandknowmeaningsofthem.2．Studentswillbeabletousethesestructurescorrectly.TeachingproceduresStep1RevisionAskseveralstudentstodictatesomewordsandexpressions.Step2Discoveringusefulstructures1．基本概念不定式是动词的一种非谓语形式，没有人称和数的变化，而且不能单独用作谓语，但仍旧有动词的特点，即可有自己的宾语和状语，构成不定式短语，使用频率较高，是一个考试经常考查的语法点。2．基本形式 主动形式 被动形式一般式 todo tobedone完成式 tohavedone tohavebeendone进行式 tobedoing /完成进行式 tohavebeendoing /3.句法功能sb.to名词、形容词、副词的特征，在句中可以充当主语、表语、宾语、定语、状语和补足语，还可以有自己的逻辑主语，即forsb.todosth.。（在课文中找到以下例句，并填空）1).Itisgoodto_help_others.(subject)主语2).Myambitionis_____________intheputerindustrywhenIgrowup.(predicative)表语3).Idon'thavetime___________________feelingsorryformyself.(attributive)定语4).Iamtheonlystudentinmyclassto_have_a_pet_snake.(attributive)定语5).Abigpanyhasdecided____________it_from_me.(object)宾语6).Myfellowstudentshavebegun_________________me_for_who_I_am.(object)宾语7).Ihavehadtoworkhard______________a_normal_life.(adverbial)状语8).SomedaysIamtootired______________________of_bed.(adverbial)状语4．不定式的时态与语态根据需要，不定式可以有一般式(todo)，完成式(tohavedone)，完成进行式(tohavebeendoing)，进行式(tobedoing)等时态形式以及被动形式tobedone和tohavebeendone。(1).Hedidn'tallowusto__________________early.他不允许我们早回家。(2).Heseemedto_____________________thefilm.他好像已经看过这部电影。(3).Sheissaidtohavebeenlivinginthecityforsixyears.据说她住在该城市六年了。(4).Theboypretendedto________whenhismothercamein.当母亲进来的时候，小男孩假装在读书。(5).Heissaidtohavestudiedabroadafewyearsago.据说他几年前在国外学习过。Step3Learningtheusage1．Thefollowingverbsareusuallyfollowedbytheinfinitive.(下列动词后常跟不定式)afford，agree，appear，arrange，ask，attempt，care，choose，claim，e，consent，dare，decide，demand，deserve，determine，elect，endeavor，expect，fail，get，guarantee，hate，help，hesitate，hope，hurry，intend，learn，long，manage，mean，need，offer，plan，prepare，pretend，promise，refuse，say，seem，tend，threaten，want，wishForexample：Ican'taffordtogotothepub.Heagreedtopracticemore.Youshouldlearntoexpressyourself.Theymanagedtofixtheproblem.2．Explanationofthegerund(doing)andtheinfinitive(todo)有些词后既可以跟doing又可以跟todo;但有时表示含义不同，请注意。(1)Thegerundandtheinfinitive(意义相同)Weusethegerundortheinfinitiveafterthefollowingverbs：begin Hebegantalking.Hebegantotalk.continue Theycontinuesmoking.Theycontinuetosmoke.hate DoyouhateworkingonSaturdays？DoyouhatetoworkonSaturdays？like Ilikeswimming.Iliketoswim.love Shelovespainting.Shelovestopaint.prefer Patpreferswalkinghome.Patpreferstowalkhome.start Theystartsinging.Theystarttosing.advise Theyadvisewalking_totown.Theyadviseus_to_walktotown.allow Theydonotallowsmokinghere.Theydonotallow_us_to_smoke_here.encourage Theyencourage_doing_thetest.Theyencourageus_to_do_thetest.permit Theydonotpermitsmokinghere.Theydonotpermitus_to_smokehere.(2)Someverbsorverbphraseshavedifferentmeanings.(意义不同)forget He'llneverforgetspending_somuchmoneyonhisfirstputer.他永远不会忘记在第一台电脑上花费了这么多钱。 Don'tforgetto_spendmoneyonthetickets.不要忘记用钱去买票。goon Goonreading.继续读这篇文章。(继续做同一件事) Goonto_read_.继续读这篇文章。(继续做另一件事)again.Thataveforgottenyourhomeworkagain.Thatmeansphoning_yourmother.你又忘记做家庭作业了，这意味着我要打电话给你妈妈。 Imeantto_phoneyourmother，butmymobiledidn'twork.我本打算打电话给你妈妈，但是我的手机坏了。rememberIrememberswitching_offthelightswhenIwentonholiday.我记得我去度假时把灯都关掉了。 Rememberto_switch_offthelightswhenyougoonholiday.当你去度假时，记得把灯关掉。stop Stopreading.停止读这篇文章。 Stoptoread.停下来读这篇文章。try Whydon't