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1、TheforthperiodGrammarReviewtheusageof–ingform:1.Writethefollowingpairsofsentences(orothersimilarones)ontheboard.Iwasfeelingtired.Iwenttobedearly→feelingtiredIwenttobedearlyIworkedhardallday.Iwenttobedearly→Havingworkedhardallday,Iwenttobedearly.1.Askstudenttoconsiderwhentheactioni
2、neachpairofsentenceshappenedandLeadthemtounderstandthatinthefirstpairofsentences,thefeelingandtheactionarehappeningatthesametime;whereasinthesecondpair,theworkingalldayhappenedbeforehe/shewastired3.Examinethesentencesbelowanddiscussinwhatwaythestructuressimilartoeachotherandinwhat
3、waytheyaredifferentLookingcarefullyattheground,Imademywaytotheedgeofthecrater.HavingexperiencedquiteafewearthquakesinHawaiialready,Ididn’ttakemuchnotice.Having+pastparticiple(theperfect–ingform)torefertoanactionthattookplacebeforethetimeexpressedbymainverb.4.ReadanddiscussExercise
4、1intheSB5.SetExercise2.checkanswersanddiscussstructures.6.SetExercise3,4and5.checkanswersaftereachexerciseanddiscussreasonsforthestructuresused.7.小结-ing形式的用法1)–ing形式作状语用法例句时间Walkingalongthestreet,ImetMary.(=WhileIwaswalkingalongthestreet….)在街上走的时候,我遇到了玛丽。条件Turningtotheleft,youwill
5、findtheschool.(=Ifyouturntotheleft,….)向左走,你就会找到那个学校让步KnowingwhereIlive,henevercometoseeme.(=ThoughheknowswhereIlive,….)尽管他知道我的住处,但从不来看我。单位:湖北省荆门市 姓名:李国 E_mail:liguo619@sina.com伴随Istoodthere,waitingforher.(=…,andwaitedforher.)我站在那儿等她原因Beingtired,Istoppedtotakearest.(=BecauseIwastir
6、ed,….)因为疲倦,我停下来休息。结果Itrainedheavily,causingseverefloodinginthearea.(=Itrainedheavilysothatitcausedseverefloodinginthearea.)在这个地方雨下的如此大,以至引发了洪灾。(Havingbeen)+p.p.…,主语+谓语被动主动Havingfinishedmywork,Iwenthome.(=AfterIhadfinishedmywork,….)工作做完只后,我就回家了。例句u–ing形式的完成式所表示的时间在谓语动词之前u表示被动可直接用过却
7、分词用法Having+p.p.…,主语+谓语句型2)–ing形式的完成式1).使用-ing形式需注意的几个问题:.①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。MywifehadalongtalkwithSally,explainingwhyshedidn’twantthechildrentoplaytogether我妻子与莎莉谈了很长时间,解释她为什么不想让孩子们在一起玩。(现在分词explaining是句子主语mywife做的动作,它们之间是主动关系,即explainin
8、g的逻辑主语,就是句子的主语mywife。)Thetrainhav