原因目的结果状语从句.ppt

I’llcallyouwhenIgetthere.IwaswatchingTVwhileshewassinging.Shealwayssingsasshedances.Hedidn’tgotobeduntilhehadfinishedhiswork.Assoonashearrives,I’lltellhim.0302050104Although/Thoughhewasexhausted,(still)hekeptonworking.WhileIlikethecolour,Idontliketheshape.We’llmakeatripevenif/thoughtheweatherisbad.Whetheryourefreeorbusy，youllhavetoattendtheceremony.Nomatterwhoyouare,youmustkeepthelaw.=Whoeveryouare,youmustkeepthelaw.A原因状语从句Conjunctions：Bbecause,since,as,for,nowthat1关于becausebecause表示的原因是必然的因果关系，语气最强，通常放在主句之后，有时也放在主句之前。YouwanttoknowwhyIamleaving?IamleavingbecauseIamfedup.回答why提出的问题，只能用because。Whycan’tIgo?Becauseyouaretooyoung.It’sbecauseheiskindthatwelikehim.(3)because引导的从句可用于强调句，其余不能。Thisisbecausetheearthistravelingaroundthesun.(4)because从句可用作表语，其余不能。010203since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。2关于sincesince可用于省略句，而其它不能。如：01Sinceso,thereisnomoretobesaid.02as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。3asfor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：1Itrainedlastnight,forthegroundiswetthismorning.24关于fornowthat用来说明一种新情况，然后加以推论。01Nowthatyouareready,wellstartatonce.02既然你已经准备好了，我们马上开始。035关于nowthatAdverbialclausesofresult

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。Itwa