现在分词作状语选修8unit5单元语法

现在分词作状语Task1.学会判断非谓语动词一、考一考判断下列句子里的动词是谓语动词还是非谓语动词。1.HeisteachingEnglish.2.HisjobisteachingEnglish.二、定义☻谓语动词就是指在句子中充当谓语的动词☆非谓语动词指的是在句中不是谓语的动词。谓语是对主语动作或状态的陈述或说明，指出“做什么”、“是什么”或“怎么样”。

做什么是什么过去分词不定式-ing形式非谓语动词三、非谓语使用条件一个句子当中，已经存在一个主句（谓语动词）,又没有连词的情况下Shegotoffthebus,

butleftherhandbagonherseat.Shegotoffthebus,leavingherhandbagonherseat.四、分析句子结构,辨别“谓与非谓”1.______manytimes,buthestillcouldn'tunderstandit.2.______manytimes,hestillcouldn'tunderstandit.A.HavingbeentoldB.HewastoldB_____A五、填词：用studying或者study1）________(study)hard,youwillpassthefinalexam.2)_________(study)hard,andyouwillpass…StudyingStudyTask2：掌握分词作状语分词短语作状语动词-ing形式在句子中做状语，表示的动作是主语动作的一部分，与谓语动词表示的动作或状态是同时或者几乎同时发生的，经常可以做时间、原因、方式、条件、结果、目的、让步状语从句。句子的主语必须是状语的逻辑主语；而且主语与作状语的分词之间呈逻辑上的主谓关系。现在分词作状语状语：修饰动词、形容词、副词或整个句子，说明动作或状态特征的句子成分。现在分词作状语让步原因条件结果时间伴随方式Attention!现在分词短语作状语时，它的逻辑主语一般须与句子的主语一致。作状语的分词相当于一个状语从句。Examples1.表让步(though/although)Livingmilesaway,heattendedthecourse.Althoughhelivedmilesaway,heattendedthecourse.2.表原因(because/since/as)Beingill,shedidn’tgotoschooltoday.Becauseshewasill,shedidn’tgotoschooltoday.3.表条件(if/unless)Turningright,youwillfindtheplaceyouwant.Ifyouturnright,youwillfindtheplaceyouwant.4.表结果(so)Themotherdied,leavingalotofmoneyforherchildren.Themotherdied,sosheleftalotofmoneyforherchildren.5.表时间（when/while）Hearingthegoodnews,hejumpedwithjoy.Whenheheardthegoodnews,hejumpedwithjoy.6.表伴随(表示分词这一动作与谓语所表示的动作同时发生and)或方式Fourpeopleenteredtheroomlookingaroundinacuriousway.Fourpeopleenteredtheroomandlookedaroundinacuriousway.

Heeatusinghisfingers.Attention现在分词短语作状语时，它的逻辑主语一般须与句子的主语一致。作状语的分词相当于一个状语从句。1).Seeingfromthetopofthehill,wecanseeourbeautifulschool.从山顶望下去，我们就能看到我们美丽的学校。但有时它也可以有自己独立的逻辑主语，独立主语=逻辑主语+现在分词„„表示伴随，时间、原因，条件。2)Manypeoplebeingabsent,theydecidedtoputthemeetingoff.由于许多人都缺席了，他们决定取消这次会议。句式转换1.Theboysatinfrontofthefarmhouse,cuttingthebranch.2.Workingsohard,hefailedagain.3.Seeingmyparentswavinginthecrowd,Iwentrunningtothem.Theboysatinfrontofthefarmhouseandhecutthebranch.1.Theboysatinfrontofthefarmhouse,cuttingthebranch.2.Workingsohard,hefailedagain.3.Seeingmyparentswavinginthecrowd,Iwentrunningtothem.Thoughheworkedsphard,hefailedagain.BecauseIsawmyparentswavinginthecrowd,Iwentrunningtothem.4.Becauseyouareateacher,youshouldhelpyourstudentsineveryway.5.Ifyouworkhard,youwillsucceed.6.Shethrewthetoyontheground,soshebrokeitintopieces.7.Becausehehadeatentoomuch,hecouldn’tgotosleep.(Because)Beingateacher,youshould…(If)Workinghard,youwill……,breakingitintopieces.(Because)Havingeatentoomuch,…现在分词的时态和语态的用法。1).分词一般式表示的动作和谓语动词所表示的动作一般同时进行时，则用分词的一般式形式(doing)。Hewalkedonthestreet,seeingbackfromtimetotime.他走在街上，不时地向身后看看2).如果分词所表示的动作先于谓语动词发生，则用分词的完成式形式（havingdone）。Havingfinishedhiswork,Henrywenthome.完成了他的工作后，亨利回家了。现在分词的否定形式现在分词的否定式:not+V-ing完成式的否定式:not+havingdoneNothavingheardfromhersonforalongtime,themotherworriedagreatdeal.由于很久没有收到儿子的来信，这位母亲很担心。“Whatabeautifulgardenitis!”saidthegirl,______outofthewindow.A.lookingB.havinglookedC.tolookD.looked_____alongway,BobbegantofeeltiredA.WalkingB.HavingwalkedC.TowalkD.walked____inthequeueforhalfanhour,IsuddenlyrealizedthatIhadleftmywalletathome.A.TowaitB.WaitingC.HavingwaitedD.Tohavewaited1._____________hertelephonenumber,Icouldn’tringherup.由于不知道她的电话号码，我无法打电话给她。2.____________________,wewillgothereonfoot.天气允许的话，我们将步行去那里。NotknowingWeatherpermitting3.___________________,ImetMary.上学时我遇见了玛丽。4.Iturnoffthelight,___________________.我把灯关了，所以什么也看不见。5.____________________,youwillsucceed.努力工作，你就会成功。Whilegoingtoschoolseei