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《原因目的结果状语从句.ppt》由会员上传分享,免费在线阅读,更多相关内容在PPT专区-天天文库。
1、1.I’llcallyouwhenIgetthere.2.IwaswatchingTVwhileshewassinging.3.Shealwayssingsasshedances.4.Hedidn’tgotobeduntilhehadfinishedhiswork.5.Assoonashearrives,I’lltellhim.6.Although/Thoughhewasexhausted,(still)hekeptonworking.7.WhileIlikethecolour,Idon'tlikethesha
2、pe.8.We’llmakeatripevenif/thoughtheweatherisbad.9.Whetheryou'refreeorbusy,you'llhavetoattendtheceremony.10.Nomatterwhoyouare,youmustkeepthelaw.=Whoeveryouare,youmustkeepthelaw.原因状语从句Conjunctions:because,since,as,for,nowthat1关于becausebecause表示的原因是必然的因果关系,语气最强
3、,通常放在主句之后,有时也放在主句之前。YouwanttoknowwhyIamleaving?IamleavingbecauseIamfedup.(2)回答why提出的问题,只能用because。A:Whycan’tIgo?B:Becauseyouaretooyoung.(3)because引导的从句可用于强调句,其余不能。It’sbecauseheiskindthatwelikehim.(4)because从句可用作表语,其余不能。Thisisbecausetheearthistravelingaroundt
4、hesun.2关于sincesince引导的原因状语从句一般放于主句之前,表示已知的、显然的理由(通常被翻译成“既然”),较为正式,语气比because弱。例如:Sinceyouarefreetoday,youhadbetterhelpmewithmymath.既然今天你休息,你最好帮我补习数学。since可用于省略句,而其它不能。如:Sinceso,thereisnomoretobesaid.3asas引导原因状语从句时表示附带说明的“双方已知的原因”,语气比since弱,较为正式,位置较为灵活(常放于主句之
5、前)。例如:Asitisraining,you’dbettertakeataxi.既然在下雨,你最好乘出租汽车。Iwenttobedearly,asIwasexhausted.我睡得早,因为我筋疲力尽了。4关于for(1)for是并列连词(其他为从属连词),它有时可表示因果关系(只能放在主句之后)是对前面分句的内容加以解释。如:Itrainedlastnight,forthegroundiswetthismorning.5关于nowthatnowthat用来说明一种新情况,然后加以推论。Nowthatyouar
6、eready,we'llstartatonce.既然你已经准备好了,我们马上开始。Adverbialclausesofresult结果状语从句⑴引导词:⑵so…that;such…that(如此……以致于)so+adj./adv.+thatsuch+(a/an)+adj.+n.+that①such+a/an+adj.+可数名词单数+that②such+adj.+可数名词复数+that③such+adj.+不可数名词+that⑶当名词有many,much,few,little修饰时,只能用so,不能用such。她
7、是如此的疲惫,以致于很快就睡着了。Shewas_____________she______________quickly.2.这是一本非常有趣的小说,以致于我读了三遍。Itwas___________________novelthatireaditthreetimes.3.他跑得非常快,没人能追上他。Heruns_________nobodycancatchupwithhim.4.玛丽有如此多的工作要做,以致于她整天呆在办公室。Maryhad______________todothatshestayedathe
8、rofficeallday.so…that/such…thatsotiredthatfellasleepsuchaninterestingsofastthatsomuchwork引导目的状语从句常用的连词有:sothat(以便),inorderthat(为了;以便),lest(免得;唯恐),forfearthat(生怕;以免)等目的状语从句的谓语常含有may,might,can,cou