总结状语从句.ppt

栏目导引,语法精讲考点整合,典题精炼能力提升,第二部分 语法考点突破,第二部分 语法考点突破,第十讲状语从句,一、状语从句的分类,项目,连接词、关,系词或引导词,例句,注意事项,时间状语从句,when,，,while,，,as,，,before,，,after,，,since,，,until,，,the moment,等。,When I was walking along the street,I met a friend of mine.,I didn,t go to bed until 10 oclock last night.,I will tell him the news the moment he comes.,要注意时态一致,，,一般情况下,，,在时间状语从句中,，,表示将来的动作用一般现在时,(,不可用将来时,),。,项目,连接词、关,系词或引导词,例句,注意事项,地点状语从句,where,，,wherever,Where there is a will,，,there is a way.,We are always welcome wherever we go.,注意不要和,where,引导的定语从句混淆,，,若是定语从句,，,where,前必然有先行词。,项目,连接词、关,系词或引导词,例句,注意事项,条件状语从句,if,，,unless,，,as(so)long as,，,on condition that,，,in ca,-,se,等。,You should go to school unless you are seriously ill.,He will certainly pass the exam next te,-,rm if he works hard at his lessons.,条件状语从句和时间状语从句一样,当主句是将来时的时候,从句要用一般现在时。,项目,连接词、,关系,词或引导词,例句,注意事项,原因状语从句,because,as,si,-,nce,for,now that,He didn,t go to school be,-,cause he was ill.,It must have rained last ni,-,ght,for the gr,-,ound is wet.,As he is a League memb,-,er,he takes the lead in verything in his class.,1.because,语气最强,，,用来说明人所不知的原因,，,回答,why,提出的问题；,since,次之,，,as,最弱。,2,as,引导的从句往往放在主句前面,，,用来说明比较明显的原因,;,for,用作连词时,，,往往表示一种附带的解释、说明或推理。,项,目,连接词、关,系词或引导词例句,注意事项,让步状语从句,though,，,alth,-,ough,，,even if/though,，,as,whatever,，,however,，,whoever,，,no matter what,Although he is a child,，,he knows a lot.,I will go and attend the mee,-,ting however busy I am.,Tired as/though I was,，,I went on with my work.,1.,当有,though,although,时,后面的从句不能有,but,。,2,as/though,引导的让步从句必须把表语或状语提前。,项目,连接词、关,系词或引导词,例句,注意事项,结果状语从句,so.that.,，,such.that.,so that(,结果以致,),He runs so fast that no one can catch up with him.,It was such an interesting novel that I read it three times.,I got up late so that I mis,-,sed the early bus.,在,so.that.,和,such.that.,所引导的结果状语从句中,，,so,为副词,，,后面跟形容词、副词或分词,，,而,such,为形容词,后面只能跟名词或名词性短词。,项目,连接词、关,系词或引导词,例句,注意事项,方式状语从句,as,，,just as,，,as if,，,as though,We should work and stu,-,dy as he did.,They talked as if they had been friends for years.,as if,，,as though,在方式状语从句中多指非真实的或可能性较小的情况,，,常用虚拟语气。,项目,连接词、关,系词或引导词,例句,注意事项,比较状语从句,as.as.,，,not so.as,，,morethan,He works as hard as everyone else in the class.,He is taller than any other student in our school.,可以用比较句型表示在一定范围内的最高级含义：比较级,than,any other,单数可数名词。,二、两组重要连词的用法区别,从句,连词,区别,示例,时间状语从句,when,表示某个具体的时间,，,可以指一段时间,，,也可以指一点时间,，,既可表示一时性的动作,，,又可表示持续的动作。有时强调突然发生,出乎预料。,When you arrive in London,，,please give us a call.,When he was having his breakfast,，,he heard the doorbell ring.,I was just coming along to see you wh,-,en I ran into Wilson.,从句,连词,区别,示例,时间状语从句,as,表示的动作与主句动作同时发生,，,具有延续的含义,，,一般与延续性动词连用。,As time went on,，,he grew more and more impatient.,As we walked,，,we talked.,while,只表示持续性的动作或状态,，,不能表示一时性或短暂的动作。,While she was read,-,ing a novel,，,her mo,-,ther was cooking the dinner.,从句,连词,区别,示例,原因状语从句,because,表示原因的语气最强,常用于回答以疑问词,why,引导的疑问句。,because,从句一般位于主句后面。,The engine stop,-,ped running because the fuel was finished.,He is absent today because he is ill.,从句,连词,区别,示例,原因状语从句,for,表示一种推理或解释,或用作附加说明,，,而不是指理由或原因,语气最弱,，,一般不在句首,，,意为,“,因为,，,其理由是,”,。,The day breaks,，,for the birds are sing,-,ing.,There must be no one in the house for the door is closed.,从句,连词,区别,示例,原因状语从句,as,表示十分明显的原因,，,说明一般的因果关系,，,着重点在主句。,as,通常放在主句前,有时也可改用,so,引导的分句。,As it is snowing,，,we shall not go to the park.,It is snowing,，,so we shall not go to the park.,从句,连词,区别,示例,原因状语从句,since,since,表示对方已知的、无需加以说明的、既成事实的理由,，,意为,“,既然,”,其引导的从句常放在句首。,Since he cant answer the question,you may ask someone else.,Since you are free today,，,you had better help me with my mathematics.,本部分内容讲解结束,按,ESC,键退出全屏播放,