校教研课教案动词不定式

校教研课教案Infinitives动词不定式Class:10级计算机1班TeachingTime:第九周星期四下午第1节Teacher:HeWen教学目标：1.掌握动词不定式的几种形式2.掌握动词不定式在句子中可以作什么成分3.掌握动词不定式用法/功能4.掌握运用动词不定式注意事项教学难点：动词不定式用法教学方法：通过放映幻灯片，教师讲解，学生思考，最后总结的方法来实现本课的教学任务。教学过程：Step1.出示幻灯片让学生了解动词不定式的几种形式1.动词不定式的基本形式to+动词原形有时可以不带to(秃头不定式）2.动词不定式的否定形式not/never+todonot/never+do3.不定式的逻辑主语It’sgoodforyoutodomorningexercises.Thequestionistoodifficultforustoanswer.It’stoodarkformetoseeanythingintheroom.It’sverykindofyoutothinkoftheothers.如果要说明不定式表示的动作是谁做的，可以在不定式前加一个for(of)引起的短语。介词for(of)的宾语叫不定式的逻辑主语。Step2.请学生思考：动词不定式在句子中可以作什成分？学生得出结论：1.作主语2.作宾语3.作宾语补足语4.作定语5.作状语5.作状语6.作表语7.与疑问词等连用Step3.出示幻灯片让学生根据总结结果加强记忆。Step4.讨论动词不定式用法/功能，并总结：(1).作主语Toseeistobelieve.It’sexcitingtosurfontheInternet作主语的不定式如果很短，通常位于句首；若不定式（短语）较长时，常用it作形式主语，而把真正的主语（即动词不定式）放在后面以避免头重脚轻。(2)宾语Iwanttogohome.Theworkersdecidedtogetbetterpay.Ifounditnecessarytotalktohimagain.常用动词不定式作宾语的动词有：want,hope,wish,refuse,learn,wouldlike,choose,decide,agree,pretend,expect,plan…Hefounditverydifficulttogettosleep不定式作宾语时，如带有宾语补足语，则要把不定式放到后面，用it作形式宾语，构成“主语+动词+it+宾补（形容词、名词）+不定式”结构。感官动词和使役动词等后接不定式作宾补时，需省to。但在被动语态中要还帽子。Thebossmakesthemwork15hoursaday.Isawtheaccidenthappenyesterday.Hewasmadetodohiswork(byme).(3).宾补Theteachertoldmetocleantheblackboard.Iexpectyoutogivemesomehelp.Heoftenhelpsme(to)repairmybike.常用动词不定式作宾补的动词有：tell,ask,want,warn,wish,allow,encourage,expect,teach,help(4).定语Ihavesomethingtosay.Hehasalotofhomeworktodo.Heislookingforaroomtolivein.Thereisnothingtoworryabout.动词不定式若在句中作定语，常放在被修饰的名词或代词后。如果不定式中的动词是不及物动词,则要带上与之搭配的介词，构成及物动词短语。(5)状语Hegotupearlytocatchthetrain.Let’sstoptohavearest.I’mveryhappytoseeyou.He’stooyoungtogotoschool.Sheisoldenoughtodressherself动词不定式作状语主要用来表示目的，原因，或结果等。(6).表语Myjobistohelpthepatient.Yourtaskistocleantheclassroom.不定式可以放在be动词后，形成表语。(7)与疑问词连用Hedidn’tknowwhattosay.(宾语)Howtosolvetheproblemisveryimportant.(主语)Myquestioniswhentostart.(表语)不定式与疑问词who,which,when,how,what等连用，形成带疑问词的不定式。在句中起名词作用，可充当主语、表语、宾语等。在与why连用时，只用于why或whynot开头的简短疑问句中，后面紧跟的动词不定式不带to。Whydosth.?Whynotdosth.?Step5出示幻灯片让学生注意几个易错点。1.有些动词既可跟不定式作宾语，也可跟动名词作宾语，但含义不同：remembertodo记住要做某事；rememberdoing记得曾经做过某事forgettodo忘记要做某事forgetdoing忘记曾经做过某事stoptodo停下来去做某事stopdoing停止做某事goontodo继续做另一件事goondoing继续做原来在做的事Irememberseeingyousomewherebefore.我记得以前在哪儿见过你。Pleaseremembertoturnoffthelightwhenyouleave.离开时请记得关好灯。Iforgottotellheraboutit.我忘记告诉她这件事。Iforgottellingheraboutit.我忘记了曾把这件事告诉过她。2.感官动词后既可跟不带to的不定式作宾补，也可跟v-ing作宾补，前者表示动作的全部过程已结束；后者表示动作正在进行。Isawhimcomedownstairs.我看见他下了楼。（说明他下楼了这件事）Isawhimcomingdownstairs.我看见他在下楼。（说明他下楼时的情景）Iheardsomeonecallingme.Iheardmynamecalled.Step6.通过练习来加强学生对本课知识的掌握。Fillineachblankwiththeproperwordfromthebrackets:1.Mikewants________(go)toaparkonSunday.2.Theteacheroftentellsus___________(notbe)late.3.Mybrotheristooyoung________(join)thearmy.4.Ittakesmeanhour_____(do)myhomeworkeveryday.5.Doyouhaveanything_________(say)?6.Hisparentsoftenmakehim_______(do)alotofexercises.7.Hetooklessons_________(learn)how_________(sing).8.Mothertoldhim___________(notplay)footballinthestreet.9.I’mveryglad____________(pass)theexam.10.Yourskirtisnice.Letme_________(have)alook.11.Thestudentsweremade___________(copy)thetextthreetimes.12.You’dbetter________(notgo)therebecauseitisdark.13.Ihavealotofhomework_________(do)everyday.14.Thelittleboylikes_____________________(answer)questions.15.Wouldyoulike__________(join)us?16.Mr.Wangtaughtme___________(play)basketball.17.Mywatchneeds_______________________(repair).18.Ifinditimportant________(learn)Englishwell.19.Itisdifficult______________(answer)thisquestion.20.YesterdayIsawtheaccident_________(happen).21.Theimportantthingis__________(save)lives.22.Ioftenhelpmymother____________(do)housework.23.WeoftenhearMary___________(sing)inherroom.24.Wearetired.Let’sstop____________(have)arest.25.It’sverykindofyou__________(think)somuchofus.26.It’seasyforme____________(repair)thebike.27.Thereisnothing___________(worry)about.28.Iamrichenough____________(buy)acar.29.Whynot__________(go)withme?30.Don’tforget_________(close)thedoorwhenyouleave.Correctthemistakes:Themanwastiredenoughtostophavingarest.Whatwordscanyouusedescribethebeautifulscene?Theteachertoldustonotmakesomuchnoise.Theyareoftenseenplayontheplayground