动词-ing形式学案.ppt

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1、动词-ing形式学习目标：1.理解V-ing形式的各种句法功能2.掌握V-ing形式的否定形式(not/neverdoing)3.掌握V-ing形式的时态和语态4.理解V-ing形式的逻辑主语5.牢记一些固定的-ing表达结构，如：generallyspeaking，judgingfrom，considering...【观察一】请观察下列句子，注意动词-ing形式在句子中的作用。1)Smokingisharmfultohealth.2)Theartistcouldfinishdrawingahorseinfiveminutes.3)Thest

2、orysoundsquitemoving.4)Myjobisteaching.5)Thisisasleepingtrain.6)ThemanspeakingatthemeetingisaprofessorfromBeijing.7)Beingill,hecouldn’tgotoschool.8)Iheardsomeoneknockingatthedoor.9）Hewascaughtcheatingintheexam.【小结一】动词-ing形式分为__________分词和__________。动名词在句中充当________语(如例1)、

3、________语(如例2)、________语(如例4)、________(如例5)。现在分词在句中充当________语(如例3)、________语(如例6)、________语(如例7)、________语(如例8)、__________语（如例9）现在动名词主宾表定表定状宾语补足主语补足主语表语宾语定语补语状语todo-ingformpp非谓语动词功能比较√√√√√√√√√√√√√√√√应用：读下面句子并指出划线部分的ing形式充当什么成分。1.Iwas16whenIbeganworkinginJune1902atthewhalingst

4、ation.（____语）2.Iheardanoisecomingformthebay.(________语)3.IhadalreadyheardthatGeorgedidn’tlikebeingkeptwaiting.（_____语）4.Georgestarted①beatingthewaterwithhisoarandtherewasTom,②circlingbacktotheboat,leadingustothehuntagain.（①________语②________语）5.Icouldseeawhalebeingattackedby

5、apackofaboutsixotherkillers.(________语)6.Andthoseothersarestoppingitdivingorfleeing.(________语)7.Geogetoldme,pointingtowardsthehunt.(________语)8.Beingbadlywounded,thewhalesoondied.(________语)9.Themenstartedturningtheboataroundtogohome.(________语)10.“Manoverboard!Turntheboa

6、taround!”urgedGeorge,shoutingloudly.(_______语)11.Fishingnetsintheseahavebecomeaseriousproblem.(________语)12.FromJames’sface,Icouldseehewasterrifiedofbeingabandonedbyus.(______语)【观察二】请观察下列句子，注意动词-ing形式的肯定形式和否定形式。1.Notknowinghowtodoit,Iturnedtohimforadvice.2.Nothavingreceived

7、hisanswer,Iwrotehimagain.3.Neverhavingbeentherebefore,Iknownothingabouttheplace.【小结二】动词-ing形式的否定式是__________________________.notdoing/nothavingdone【观察三】请观察下列句子，注意动词-ing形式的动作什么时候发生（时态）和-ing形式的逻辑主语是谁（语态）。1)Theysawtheboyplayingneartheriver.2)Hearingthenews,hejumpedwithjoy.3)H

8、avingbeenaworkermanyyears,heknewhowtorepairthismachine.4)Not