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2019-2020年高中英语《Unit2Grammarandusage1》教案新人教版必修5教学目标Sswilllearnhowaverb-ingformcanbeusedasanadjectiveoradverbHowaverb-ingphrasecanbeusedasaverb-ingonitsown.Ssareexpectedtolearnhowtousetheverb-ingandverb-ingphraseindifferentsituation.Ssareexpectedtoapplytheusagestopracticesbyfulfillingsomewrittentasks.重点Howaverb-ingphrasecanbeusedasaverb-ingonitsown.难点Howaverb-ingphrasecanbeusedasaverb-ingonitsown.教法及教具Teaching教学过程教学内容个案调整教师主导活动学生主体活动Step1Introduction
一、动词的–ing形式概念动词的–ing形式包括两种:
①现在分词具有形容词和副词特征,可作定语、状语、表语、宾补
②动名词具有名词特征,可作主语,宾语,表语,定语等e.g.:Therearemanysleepingstudentsinclass.Thelessonisboring.Thestudentsfeelthelessonboring.Feelingthelessonisboringthestudentsaresleepy.
二、时态和语态Vt.主动语态被动语态现在分词一般式与谓语动词同时发生doingBeingdone完成式先与谓语动词之前发生havingdoneHavingbeingdone时态和语态
1.Hehurriedhomelookingbehindashewent.
2.Havingfinishedtheirworktheyhadarest.
3.Thelargebuildingbeingbuiltisalibrary.
4.Havingbeenshownthelabweweretakentoseethelibrary.
三、现在分词的语法功能
1.Attributee.g.:
1.arunningman
2.ThemanrunninginthepictureisLiuXiang.=ThemanwhoisrunninginthepictureisLiuXiang.小结:
1.V-ing形式作定语可表示主语所作动作正在进行或表示和所修饰词之间有逻辑主动关系
2.单个V-ing词作定语修饰名词一般置于名词之前
3.V-ing词组修饰名词则置于名词之后此时相当于一个定语从句Rewritethefollowingsentenceswithattributiveclauses.Thepeoplesittingbehindusareteachers=Thepeoplewhoaresittingbehindusaresoccerplayers.
2.Predicativee.g.:YourjourneyinKenyaisreallyexciting.Whatyoudidwasdisappointing.ThenightmareIhadlastnightwasveryfrightening.现在分词作表语通常表示主语的属性和特征相当于形容词含有“令人...其主语通常是物.
3.ObjectComplement:e.g.:Iheardthegirlsingingintheclassroom.Inoticedalongqueueoutsidethebankwaitingforittoopen.Thebabywatchedhisdadshavinghisfacewithgreatinterest.常见的两类接现在分词作宾补的动词⑴感官动词seehearwatchfindfeelsmellobservenoticelookatlistento等⑵使役动词havekeepgetleavemake等特殊的两个区别
1.现在分词作宾补与不定式做宾补的区别现在分词动作正在进行不定式动作的全过程试比较
1.Iheardhersingingasongjustnow.正在进行的动作
2.Iheardhersingasongjustnow.听见全过程Practice:Fillintheblankswiththeverbgiveninitsproperform.
1.Sixtymillionpeople_____liveinruralareasaremovingtothecitieseveryyear.
2.Thebottle_________containthepoisonwassenttothelaboratory.
3.Ourtripwas______________disappoint.Wedidnotfindanyunusualplants.
4.Isawthem______forcethedooropenwithahammer.
5.Thenewswas__________shock.Allthethreeboatshadsunkinthestorm
4.现在分词作状语
1.作时间状语相当于时间状语从句常同连词whenafterwhileonceuntil等连用注当现在分词短语用来表示时间时,可以和whenafter等引导的时间状语从句互换Hearingthebadnewstheycouldn’thelpcrying.=Whentheyheardthebadnewstheycouldn’thelpcrying.HavingreceivedhisletterIdecidedtowriteback.=AfterIhadreceivedhisletterIdecidedtowriteback.
2.作原因状语,相当于原因状语从句BeingastudentImustworkhard.=BecauseIamastudentImustworkhard.Beingsoangryhecouldn’tgotosleep.=Because/As/Sincehewassoangryhecouldn’tgotosleep.
3.作条件状语相当于条件状语从句Workinghardyouwillsucceed.=Ifyouworkhardyouwillsucceed.Puttingmoresaltintothesoupyouwillfinditmoredelicious.=Ifyouputmoresaltintothesoupyouwillfinditmoredelicious.当现在分词用来表示条件时,可以和if引导的条件状语从句互换
4.作伴随状语相当于并列句Theycameintotheclassroomsingingandlaughing.=Theysangandlaughed;theycameintotheclassroom.e.g.:Thestudentscamein______________followtheirteacher.Mycousincametoseemefromthecountry_____________bringmeafullbasketoffreshfruits.
5.作结果状语Thefactorykeepsreleasingsmokemakingtheairdirty.Thefactorykeepsreleasingsmoke______________________________________非限制性定语从句板书设计教学札记。