M5U2语法公开课(课堂PPT).ppt

Grammarandusage非谓语动词一、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。Therearemanysleepingstudentsinclass.语态类别时态1.Hehurriedhome,lookingbehindashewent.2.Havingfinishedtheirwork,theyhadarest.3.Thelargebuildingbeingbuiltisalibrary.4.Havingbeenshownthelab,weweretakentoseethelibrary.小结:Thepeoplesittingbehindusareteachers.YourjourneyinKenyaisreallyexciting.Whatyoudidwasdisappointing.ThenightmareIhadlastnightwasveryfrightening.Iheardthegirlsingingintheclassroom.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)1.Sixtymillionpeople_____(live)inruralareasaremovingtothecitieseveryyear.2.Thebottle_________(contain)thepoisonwassenttothelaboratory.3.Ourtripwas______________(disappoint).Wedidnotfindanyunusualplants.4.Isawthem______(force)thedooropenwithahammer.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when,after,while,once,until等连用)注：当现在分词短语用来表示时间时，可以和when,after等引导的时间状语从句互换Hearingthebadnews,theycouldn’thelpcrying.=Whentheyheardthebadnews,theycouldn’thelpcrying.Havingreceivedhisletter,Idecidedtowriteback.2).作原因状语，相当于原因状语从句。Beingastudent,Imustworkhard.3.作条件状语,相当于条件状语从句Workinghard,youwillsucceed.=Ifyouworkhard,youwillsucceed.4.作伴随状语,相当于并列句Theycameintotheclassroom,singingandlaughing.=Theysangandlaughedandtheycameintotheclassroom.Thestudentscamein,______________(follow)theirteacher.Mycousincametoseemefromthecountry,_____________(bring)meafullbasketoffreshfruits.Thefactorykeepsreleasingsmoke,makingtheairdirty.Thefactorykeepsreleasingsmoke,———————————（非限制性定语从句）例：Shedoesexerciseforanhoureveryday,causinghertokeepaslimfigure.Shedoesexerciseforanhoureveryday,____________hertokeepaslimfigure.Shedoesexerciseforanhoureveryday。____________,shekeepsaslimfigure.-ing短语作让步状语，可置于句首或句末，常与evenif,though连用。如：注意:1.a.Hearingthenews,tearsrandownherface.b.Hearingthenews,shecriedoutsadly.2.a.Enteringtheclassroom,Ifoundnobodyinit.b.Enteringtheclas