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1、高三高三 11 11班班 王银娥王银娥考点聚焦考点聚焦 精典名题精典名题 一一.时间状语从句时间状语从句 asas表示表示“当当的时候的时候”,”,往往和往往和when/whilewhen/while通用通用,但它着重强调主但它着重强调主句与从句的动作或事情同时或几乎句与从句的动作或事情同时或几乎同时发生同时发生。（1）as、when、while用法。用法。when when（at or during the time that at or during the time that）既可以表示在某一点的时候）既可以表示在某一点的时候,又可表又可表示在某一段时间内示在某一段时间内,主主 句与从句
2、的动作句与从句的动作或事情可以同时发生也可以先后发生。或事情可以同时发生也可以先后发生。whilewhile意思是意思是“当当的时候的时候”或或“在某在某一段时间里一段时间里”。主句中的动作或事情在。主句中的动作或事情在从句中的动作或事情的进展过程中发生从句中的动作或事情的进展过程中发生,从句中的动词一般要用延续性动词。在从句中的动词一般要用延续性动词。在whenwhen表示表示a period of timea period of time时时,两者可两者可以互换以互换 She came up as I was cooking.（同时同时）The runners started as the
3、 gun went off.（几几乎同时乎同时）It was raining when we arrived.（指时间点指时间点）When we were at school,we went to the library every day.（在一段时间内在一段时间内）Please dont talk so loud while others Please dont talk so loud while others are working.are working.He fell asleep while/when reading.He fell asleep while/when readi
4、ng.Strike while the iron is hot.Strike while the iron is hot.（用用asas或或whenwhen不可不可,这里的这里的whilewhile意思是意思是“趁趁”（2 2）引导时间状语从句的连接词除上述外还）引导时间状语从句的连接词除上述外还有：有：till,not until,until,before,till,not until,until,before,sincesince Dont get off the bus until it has Dont get off the bus until it has stopped.stop
5、ped.He waited for his father He waited for his father untiluntil（tilltill）it was twelve oclock.it was twelve oclock.It will be five years before he It will be five years before he returns from Englandreturns from England.hardly/scarcely when,no sooner than,as soon as once表示表示“一一就就”As soon as I have
6、finished it,Ill give yu a call.Once you show any fear,he will attack you.We had hardly got/Hardly had we got into the country when it began to rain.No sooner had he arrived/He had no sooner arrived than she started complaining.directly,immediately,the moment,the minute that 一一就就He made for the door
7、directly he heard the knock.each time,every time,by the time.Each time he came to my city,he would call on me 注意：表示未来注意：表示未来情况情况,主句用将主句用将来时来时,从句用现从句用现在时。在时。1 1、时间状语从句、时间状语从句2 2、让步状语从句、让步状语从句3 3、原因状语从句、原因状语从句 4 4、地点状语从句、地点状语从句 5 5、目的状语从句、目的状语从句6 6、结果状语从句、结果状语从句7 7、方式状语从句、方式状语从句8 8、比较状语从句、比较状语从句9 9、条件
8、状语从句、条件状语从句1010、注意状语从句中从句的、注意状语从句中从句的省略现象省略现象2 2、让步状语从句、让步状语从句（1）although与与though可以引导让步状语可以引导让步状语从句从句,不能与不能与but连用连用,但可以与但可以与yet连用。连用。Although they are poor,（yet）they are warm-hearted.（2）even if或或even though引导让步状语从引导让步状语从句句,表示表示“即使即使”,“纵然纵然”,用来使人注意用来使人注意下文所强调内容的性质。下文所强调内容的性质。Ill get there even if（tho
9、ugh）I have to sell my house to get enough money to go by air.（3）no matter后接上后接上who、what、where、how等疑问词等疑问词,也可以在这类疑问词后面加上也可以在这类疑问词后面加上ever构成构成whoever、whatever、wherever、however等。等。Dont trust him,no matter what/whatever he says.Whoever breaks the law will be published.No matter how hard the work is,youd
10、 better try to do it well.Child as（though）he is,he knows a lot.Much as I like it,I wont buy.Try as he would,he couldnt lift the heavy box.3、原因状语从句、原因状语从句 because,for,as,since,now that（1）表示不知道的原因时用）表示不知道的原因时用because,即说话人认为听话即说话人认为听话人不知道人不知道,因此因此because从句是全句最重要的部分从句是全句最重要的部分,通常通常它被置于主句之后。它被置于主句之后。You
11、want to know why Im leaving?Im leaving because Im full.for虽然表示不知道的原因,但其语气较because要弱得多,是可说可不说的话,它只能置于主句之后,这时,for是并列连词。如果不是因果关系,而是对前面主句的内容加以解释或推断时,只能用for。如：Its morning now,for the birds are singing.（很显然,鸟叫不可能是“现在已是早上”的原因。）（2）表示已经知道的原因时用as或since,即某种原因在说话人看来已经很明显,或已为听话人所熟悉,因此它是句中不很重要的部分。since要比as正式一些,它们
12、通常被置于语句之前,但有时却相反。Seeing all of the children already seated,he said,“Since everyone is here,lets start.”（3）下列情况下只能使用）下列情况下只能使用because:在回答在回答why的问句时；的问句时；在用于强调句在用于强调句型时；型时；被被not所否定时。所否定时。4 4、地点状语从句、地点状语从句where;whereverMake a mark wherever you have any questions.We will go where the Party directs us.5、
13、目的状语从句、目的状语从句 that,so that,in order that注意：目的状语从句的谓语动词常与情态动词连用,否则可能是结果状语从句。不可置于句首。6、结果状语从句、结果状语从句：that,so that,so that,such that 注意：注意：so+形容词形容词/副词副词+that从句；从句；such+名词名词+that从句。从句。7、方式状语从句、方式状语从句：as,as if（though）Ill do as I am told to.It looks as if it is going to rain.8、比较状语从句、比较状语从句：than,as9 9、条件状
14、语从句、条件状语从句：if,unless,so（as）long as,in case,once,a far as,on condition that.注意注意if与与unless的区别：不能用的区别：不能用and连接两个连接两个unless从句从句,即不能有即不能有 unless,and unless 。但。但if not and if not却不受此限。却不受此限。You wont lose your weight unless you eat less and unless you exercise more.（）但可以说但可以说 unless you eat less and exerc
15、ise more.1010、注意状语从句中从句、注意状语从句中从句的省略现象的省略现象（1）连接词）连接词+过去分词过去分词Dont speak until spoken to.Pressure can be increased when needed.Unless repaired,the washing machine is no use.（2）连词）连词+现在分词现在分词 Look out while crossing the street.（3）连词）连词+形容词形容词/其他其他常见的有it necessary、if possible、when necessary、if any等。二、
16、精典名题导解二、精典名题导解 1.I dont think Ill need any money but Ill bring some _.A.as last B.in case C.once again D.in time2.The WTO cant live up to its name _ it doesnt include a country that is home to one fifth of mankind.A.as long as B.while C.if D.even though3、Someone called me up in the middle of the nig
17、ht,but they hung up_I could answer the phone.A.as B.since C.before D.until解析：答案为B。句意为“带些钱以防万一”,只能选择in case。引导的条件状语从句,后面省略了I should need it。解析：答案为C。本题考查状语从句的用法。句意为“假如世贸组织不包括占世界人口五分之一的中国的话,那它就名不副实”。as long as语气过于强烈,while和even though不符合句意。解析：答案为解析：答案为C。题意为：半夜里有人打来电话。题意为：半夜里有人打来电话,我我没来得及就挂了。没来得及就挂了。but暗示在接话前就挂了暗示在接话前就挂了