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1、三、状语从句三、状语从句adverbial clause 何为状语从句定义：状语修饰动词、形容词、副词或整个句子。状语从句在复合句中作状语。分类：时间、地点、原因、目的、结果、条件、行为方式、比较、让步等。Theybecamefriends.Theybecamefriendsmanyyearsago.Theybecamefriendsmanyyearsagobecausetheyusedtobeclassmateswhentheywereatcollege.状语从句考点一、连词常规用法二、主将从现连词的意义相近连词辨析1、时间状语从句2、让步状语从句3、目的状语从句4、结果状语从句5、条件状语
2、从句时间状语从句条件状语从句after,before,since,whenever,everytime,eachtime,(the)nexttime,anytime,(the)lasttime,thefirsttime等当：when,while,as直到：until,till一就：as soon as,the moment,the minute,the second(秒）,the instant,immediately,directly,instantly,once,no soonerthan,hardlywhen,scarcely.when粉笔一下粉笔一下 一、连词常规用法1.时间状语从句连
3、词动词动作是否同作是否同时发生生when短暂性/延续性同时/先后while延续性（从句通常为bedoing的时态）同时as动作同时发生，表示：1.一边.一边2.随着（1）连词 when,while,as 的用法区别：小贴士：判断动作和时间的关系（2）连词 until,till 的用法区别：till 通常用于肯定句中，而until肯定句或否定句均可。Iwillworkuntil/tillhetellsmetostop.Iwontleaveuntilitis12oclock.eventhough,evenif,等尽管：as,although,though,while,无论.：however,wha
4、tever,whoever,whenever,wherever，无论.：no matter what,no matter how,no matter when粉笔一下粉笔一下 一、连词常规用法2.让步状语从句a althoughlthough在让步状语从句中常用：正常语序Althoughheisachild,heknowsalot.asas在让步状语从句中常用：倒装形式（强调部分+as+as+主谓/系）Childasheis,heknowsalot.t thoughhough在让步状语从句中：可用倒装语序也可用正常语序Thoughheisachild,heknowsalot.Childthou
5、ghheis,heknowsalot.whilewhile引导让步状语从句时，通常放在句首，意为“尽管”。WhileIlikethecolour,Idontliketheshape.（1）连词 as,although,though,while 的用法区别：都可以引导让步状语从句Nomatterwhathesaid,Ibelievehim.Whateverhesaid,Ibelievehim.只能用 疑问词+ever+ever 引导名词性从句Ibelievewhateverhesaid.注意：however/nomatterhowhowever/nomatterhow用法However/Noma
6、tterhowmuchsheeats,shenevergetsfat.However/Nomatterhowcolditis,healwaysgoesswimming.（2）no matter+疑问词 和 疑问词+ever 的用法区别：sothat(为了.；目的是),inorderthat(目的是.)incase(免得，以防)，forfearthat（唯恐，生怕)，lest（唯恐）.Inorderthathecouldbeheardineveryroom,Johnspokethroughamicrophone.Iworkhardsothat/inorderthatIcanearnmoremon
7、ey.nsotsothathat和inorderthatinorderthat引导目的状语从句时后常接 may,should,could,wouldmay,should,could,would等情态动词 一、连词常规用法3.目的状语从句nlest/forfear(that)/incaselest/forfear(that)/incase引导目的状语从句，表示“担心，忧虑”，常用虚拟语气，结构为（shouldshould）+do+doJuliahadtogoonadietforfearthatshe(should)loseherjobasamodel.n 被many,much,little,fe
8、w修饰名词时，用so不用suchTherearesomanystonesthatnoonecanmovethemaway.n当little表示“小的”意思修饰名词时，用such不用soHeissuchalittleboythathecanttakecareofhimself.一、连词常规用法4.结果状语从句so.that,such.that;sothat.Wearrivedsoearlythatwegotagoodseat.ItissuchaheavystonethatIcantliftitup.so thatIdidntplantheworkwell,sothatIdidntfinishit
9、intime.（逗号隔开）注意：as long asIwilllendyouacaraslongasyoupromisetodriveslowly.我会借给你车，只要你承诺开慢一些。unlessIwillnotlendyouthecarunlessyoupromisetodriveslowly.我不会借给你车，除非你承诺开慢一些。on condition thatIwillgetabetterresultonconditionthatyougivemeaninstruction.我会得到一个更好的结果只要你给我一个指导。一、连词常规用法5.条件状语从句if,as/solongas,unless
10、,incase(万一)，onconditionthat,providing/provided(如果)常用引导词：because,as,since,Hecouldnt haveseenme,becauseIwasnotthere.他不可能见过我，因为我不在那儿Sinceyouareallhere,letstryandreachadecision.既然你们都在这儿，我们来试着来做出一个决定吧。Asshewasill,shedidntcometotheparty.因为她生病了，所以她没能来派对。6 6.原因状语从句原因状语从句6 6.原因状语从句原因状语从句 now that now that 既然
11、，因为。（that可以省略）Now(that)dinner is ready,go and wash your hands.既然晚饭好了，去洗手然后吃饭。in that in that 既然，因为。（that不可以省略）He didnt attend the negotiation in that he was ill.他在谈判中出席，是因为他病了。considering that/seeing that considering that/seeing that 鉴于.事实，考虑（that可以省略）Seeing/Considering(that)they are just beginners,
12、they are doing quite a good job.考虑到他们是初学者，他们做的相当不错了。7 7.地点状语从句地点状语从句p连接词：连接词：where,wherever【例1】Ill follow you wherever you go.你去哪里我就去哪里。【例2】Where there is a will,there is a way.有志者，事竟成。Where there is life,there is hope.有生命必有希望。Where there is smoke,there is fire.无风不起浪。不要和不要和wherewhere引导的定语从句混淆。引导的定语从
13、句混淆。【例4】Go back where you came from.从哪儿来回哪儿去。【例5】Go back to the village where you came.回到你来的那个村子里。判断依据：判断依据：wherewhere前有前有无表示地点的名词无表示地点的名词一、复合句中的省（1）when,while 引导的时间状语从句 Youshouldbecarefulwhen(youare)crossingthestreet.（2）if,unless,once 引导的条件状语从句If(itis)properlytreated,wastewilldonoharmtotheenvironment.如果垃圾被适当处理的话，它是不会对环境造成伤害的。Illnotgotothepartyunless(Iam)invited.（3）though,although,whether,no matter what 等引导的让步状语从句Hewashappy,though/althoughhewaspoor.（4）as if,as though 引导的方式状语从句Hestoodupasif/thoughheweretoleave.状状语从句中的省略从句中的省略状语从句中的省略情况：当主句主语和从句主语一致，且从句的谓语含有 be 动词时，可同时省略从句的主语和be 动词
