2023学年完整版Unit5ThepowerofnatureGrammar设计

Unit5ThepowerofnatureGrammar教学设计TeachingmaterialNSEFCBook6——Unit5TeachingaimsEnablethestudentstomasterthev-ingformusedasanadverbialTeachingimportant&difficultpointsHowtoenablethestudentstoknowv-ingformusedasanadverbialTeachingperiodsOneperiodTeachingaidstaperecorder,slidesTeachingproceduresStep1LeadinExaminethesentencesbelowandtellthesimilarityanddifferencebetweenthesetwosentences.Lookingcarefullyattheground,Imademywaytotheedgeofthecrater.HavingexperiencedquiteafewearthquakesinHawaiialready,Ididn’ttakemynotice.The–ingformcanbeusedasanadverbialinasentencetogiveinformationabouttime,reasonsorresults.Weusetheconstructionhaving+pastparticipletorefertoanactionthattookplacebeforethetimeexpressedbythemainverb.Grammar–ing形式作状语一、ing形式作状语,可以表示时间、原因、结果、条件、让步、行为方式、伴随状况等。用法例句时间Crossingtheroad,hewasranoverbyacar.Havingdonetheirhomework,thestudentsplayedfootball.原因NotknowingEnglish,hecouldn'tunderstandthefilm.HavinglivedinShanghai,heknowstheplaceverywell.条件Workinghard,youwilldowellintheexam.Turningtotheleft,youwillseethepostoffice.让步Workingorreading,shealwaysdidherbest.Notbeingarichmanhimself,hehelpedthepoorgenerously.伴随Thechildrenwentintotheclassroom,talkingandlaughing.Shesatthere,staringattheceiling.结果Hisparentsdiedinthewar,leavinghimanorphan.Thechildfell,strikinghisheadagainstthedoorandcuttingit.二、–ing形式的完成式句型主动Having+.…,主语+谓语被动(Havingbeen)+…,主语+谓语用法-ing完成式所表示的动作发生在句中谓语动词所表示的动作之前，一般在句中作时间或原因状语用被动语态-ing完成式所表示的动作发生在谓语动词所表示的动作之前，在句中一般作状语用例句Havingansweredtheletter,shewentontoreadanEnglishnovel.Havingbeenshownthelab,weweretakentoseethelibrary.三、学习-ing形式作状语的用法时,需要注意以下四点:（一）与过去分词作状语的区别。

一般来说,-ing形式表示主动、进行;过去分词表示被动、完成。试比较:The

enemy

fled

in

a

panic,

leaving

behind

a

lot

of

dead

bodies

and

weapons.Defeated

and

frightened,

the

enemy

fled

in

a

panic.分析:前一例中的-ing形式短语在句子中作伴随状语,它与其逻辑主语the

enemy之间为主动关系;后一句中的过去分词defeated和frightened表原因,它与其逻辑主语the

enemy之间为被动关系。（二）分词(短语)作状语时，其逻辑主语必须与句子的主语一致。如果不一致，必须用独立主格结构来表示，也就是在分词前面加上它的逻辑主语。1.Comparingallthegreatpeoplewitheachother,you’llfindthattheyhavemuchincommon.2.Findinghercarstolen,shehurriedtoapolicemanforhelp.3.Thetrainhavinggone,wehadtowaitanotherday.分析:前两例中,-ing形式的逻辑主语均为主句的主语。最后一例中havinggone的逻辑主语是thetrain。（三）-ing形式的否定式。其基本结构是:not+-ing形式,无论在完成式还是被动式里,not必须置于-ing形式之前。如:Nothavingfinishedhishomework,theboywasstilldoingitintheclassroom.

（四）

-ing形式(短语)的功能有时相当于一个状语从句。

根据这个性质,我们在使用-ing形式作状语时,切记不要在前面或后面的句子前用连词连接。如:Walking

on

the

fallen

leaves

in

autumn,

so

you’ll

feel

very

comfortable.(×)分析:如前所述,-ing形式短语相当于一个状语从句,所以后半句中的连词so的使用是错误的,应该去掉。原句应改为:

Walking

on

the

fallen

leaves

in

autumn,

you’ll

feel

very

comfortable.Exercises请用括号里所给动词的适当形式填空:1._____(live)inasoutherncityofChina,Ihaveneverseensuchawonderfulsnowview.2._____(notgrow)upyet,you’renotallowedtoenterthebars.3._____(encourage)bythedirector,theactorsperformedwonderfullyintheplay.4._____(Know)allthis,theymademepayforthedamage.5.Thestudentsaresittinginthereading-room,_____(r