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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,状语从句,状语从句,1,一个_在复合句中用作状语时,在语法上叫状语从句。从句由_或_引导。,分类：,状语从句可表示1)_ 2)_,3)_ 4)_,5)_ 6)_,7)_ 8)_,9)_等,句子,概念,时间,地点,原因,目的,结果,条件,行为方式,比较,让步,名词词组,连词,句子概念时间地点 原因目的结果条件行为方式比较 让步名词,2,一.引导时间状语从句,1.when,while,as,before,after,until,till,since,ever since,once,as soon as，,2.every time,next/last/each time,the first time,the moment,the minute,the instant,3.hardlywhen,no soonerthan,scarcelywhen,其中,when,till,until,before,after,as soon as,the moment,等引导时，如果,主句,的时态是一般将来时，则,从句,的时态用一般现在时。,一.引导时间状语从句1.when,while,a,3,when,while,as,_ we were talking,Mr Smiths came in.,_ they came home,I was cooking dinner.,I was about to go to bed _ I heard someone knock at the door.,4._ we were watching TV,he was studying.,5.He is fat _ his brother is thin.,6._ she sang,tears ran down her face.,Conclusion:,A:从句为”当的时候”,从句谓语为延续性动词,主句谓语为非延续性动词(即终止性动词),三者可通用.,B 当从句的谓语动词为终止性动词,只能用when;表示”正在那时”,也只能用when.,C.从句和主句的谓语动词都为延续性动词时,只能用while;while还可作并列连词,表示”而”.,D,.当强调主句和从句的动作同时发生时,只能用as,译为”一边一边;随着”,While/As/When,When,when,While,while,As,when,while,asWhile/As/When,4,before,after,since,He had left the town the day _ she arrived.,It was not long _ he left his hometown.,I played football _ I(had)finished my homework,Please tell her Ill come _ I do some shopping.,It will not be long _ we meat each other again.,I_(be)at his bedside since he _(become)ill.,It _(be)two years since we _(begin)to use this machine.,before,after,Conclusion:,1.before引导的从句是过去式,主句是过去时或过去完成时;.主句为过去时,after从句可用一般过去时代替过去完成时.,since从句用过去时态,主句一般用现在完成时.,It is/has been+一段时间+since从句 “,自从已经”,It was/wont be+一段时间+before从句,“过了才.”,before,before,after,have been,became,is/has been,began,before,after,sinceHe had left,5,till 与until:,1.,He lived with his parents _ he graduated from college.,2.Not _ he told me did I know the truth.,3.The children _(will come)home until/till its dark.,4.It was _ the war was over that he returned to his land.,till/until,until,wont come,not until,Conclusion:,1.位于句首时.只能用until,不用till.,2.notuntil可改写为:It is/was not until that强调句.,3.not until放在句首，主句谓语要部分倒装。,till 与until:1.He lived with h,6,一就,ill.,_he saw the monster,he turned pale.,The spy had _ returned home than he was told to go to another country.,We had _returned home when it rained.,_ had we begun when we told to stop.,The moment/minute/As soon as,no sooner,hardly/scarcely,Hardly/Scarcely,Conclusion:,hardlywhen,no soonerthan,scarcelywhen引导，从句用过去完成时，主句用一般过去时。,否定词,hardly,scarely,和,no sooner,位于句首时，从句要部分倒装。,一就ill._,7,二.地点状语从句:,where,anywhere,everywhere.,You would let your children play where you can see them.,二.地点状语从句:where,anywhere,8,because,as,since,for,三.原因状语从句:,Conclusion:,because语气最强，强调原因，既可以放在句首，也可以放在句中。回答“why”的提问。,since表示“既然”，语气较弱；强调结果，只可以放在句首。,as语气最弱，强调结果，只可以放在句首。,for表示通过逻辑推断得出的原因。,because,as,since,for三.,9,用because,as,since 与for填空:,-Why are you crying,meg?,-_ Ive broken your necklace,mom.,2.I went to bed early _ I was tired.,3.I was not kind to him_ he was rude.,4._ I had a cold,I was absent from school.,5.My mother was ill and I sent for Tom,_ he was a doctor.,6._ we are all here,lets begin our class.,because,because,because,As,for,Since,用because,as,since 与for填空:-W,10,Conclusion:,条件状语从句中一般用“,主将从现,”.,虚拟语气在If引导的条件状语从句的使用：,四.条件状语从句:,if,unless,once,as/so long as（只要）,so far as(据我所知),If引导的从句,主句,与现在事实相反,were/did,would/should/could+动词原形,与过去事实相反,had done,would/should/could+had done,与将来事实相反,were/did,should do,were to do,would/should/could+动词原形,Conclusion:条件状语从句中一般用“主将从现”.四,11,If I_(be)a bird,I would fly to you.,If you _(leave)home a little earlier this morning,you _(catch)the bus.,_ bad weather stops me,I jog every day.,_ I arrive at Beijing,Ill call you.,Ill go _ you go.,_ anything important happens,please call me up.,were,had left,would have caught,Unless,Once,as/so long as,If,If I_(be)a bird,I wou,12,五、让步状语从句,He went out,_ it was raining.,_ they are poor,they buy a great many books.,Child _ he is,he has learnt advanced mathematics.,_he is a child,he has learnt advanced mathematics.,No matter _ happens,dont be discouraged.,No matter _ you go,you must write to your parents.,No matter _ hard he tried,he couldnt open the door.,No matter _ you marry in the future,he must be an honest man.,though/although,Although,as,what,where,how,who,though,although,even if/though,no matter,whatever,however,whetheror,as,Even if,五、让步状语从句He went out,_,13,Conclusion:,Although多用于句首.,as引导让步状语从句,表示“尽管、虽然”。但从句要倒装。句型为：,adj./adv./单数n.(不加冠词)+as+主语+谓语,Young as she is,she can help her mother.,Fast as he runs,he is the last one.,Conclusion:Although多用于句首.,14,六、目的与结果状语从句,He got up early _ he could catch the bus.,_ he could catch the bus,he got up early.,I was caught in a shower,_ all my clothes got wet.,Its _ cold _ the lake has frozen.,There are _ many books there _ I dont know which one to borrow.,Its _ good a book _ Ive read it again and again.,It was _ a cold day _ there was nobody on the street.,_ cold weather remained for three days _ I had to stay at home all day long.,in order that/so that,In order that,so that,so,that,s
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