原因目的结果状语从句

1.I’llcallyouwhenIgetthere.2.IwaswatchingTVwhileshewassinging.3.Shealwayssingsasshedances.4.Hedidn’tgotobeduntilhehadfinishedhiswork.5.Assoonashearrives,I’lltellhim.•6.Although/Thoughhewasexhausted,(still)hekeptonworking.•7.WhileIlikethecolour,Idon'tliketheshape.•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because(1)because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.(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。Thisisbecausetheearthistravelingaroundthesun.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。•Nowthatyouareready,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。1.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。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______________todothatshestayedatherofficeallday.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,could,should,would等情态动词。.•1.Youmustspeakloudersothat/inorderthatyoucanbeheardbyall.•2.Hewrotethenamedownforfearthat(lest)heshouldforgetit.•3.Bettertakemoreclothesincasetheweatheriscold.1.____you’vegotachance,youmightaswellmakefulluseofit.A.NowthatB.AfterC.AlthoughD.Assoonas2.Hefounditincreasinglydifficulttoread,____hiseyesightwasbeginningtofail.•A.andB.forC.butD.or3.Amancannotsmilelikeachild,____achildsmileswithhiseyes,whileamansmileswithhislipsalone.A.soB.butC.andD.for4.I’dliketoarrive20minutesearly____Icanhavetimeforacupoftea.A.assoonasB.asaresultC.incaseD.sothat5.Rosesneedspecialcare____theycanlivethroughwinter.A.becauseB.sothatC.evenifD.as6.Leaveyourkeywithaneighbor____youlockyourselfoutoneday.A.eversinceB.evenifC.soonafterD.incase7.Hehas____littleeducationthathecan’tteach____littlechildren.A.so;suchB.too;suchC.a;soD.very;so•8.Heleftin___ahurry___heforgottolockthedoor.•A.such,thatB.so,thatC.such,asD.so,when•9.Youmustimproveyourstudymethod_____youmaymakeprogressinyourstudies.•A.soastoB.inordertoC.soD.inorderthat