状语从句重点难点课件

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,重点难点知识点拨,状语从句,1,时间状语从句,(Adverbial Clause of Time),1.引导时间状语从句的连接词,(1)表示“一就。”的结构,as soon as,no sooner than/hardly(scarcely/barely)when,As soon as,the mother heard/had heard the new that her son was kidnapped,she fainted.,He,had hardly/scarcely/barely arrived when,she started complaining.,The sun,had no sooner started,to shine,than,it was clouded over again.,Hardly/Scarcely/Barely had,he,arrived when,she started complaining.,No sooner had,the sun,started,to shine,than,it was clouded over again.,时间状语从句(Adverbial Clause of Ti,2,时间状语从句,(Adverbial Clause of Time),1.引导时间状语从句的连接词,(1)表示“一就。”的结构,the moment/the minute/the second/the instant,directly/instantly/immediately,The moment/The minute/The second/The instant,he saw the building on fire,he dialed 999.,Directly/Instantly/Immediately,he threw the letter into the letter box,he remembered not having put on a stamp.,时间状语从句(Adverbial Clause of Ti,3,时间状语从句,(Adverbial Clause of Time),1.引导时间状语从句的连接词,(2)其他引导时间状语从句的连接词,the first time/the last time/next time等名词短语,every time/each time 等名词短语,by the time,引导时间状语从句，主句谓语动词用完成时。,The first time,I saw a woman opening the door for a man,I was very surprised.,Each time,I went to a formal dinner,I dressed up carefully.,By the time,the ambulance arrived,the old woman,had come to,.,By the time,he graduates from high school,he,will have learnt,English for 10 years.,时间状语从句(Adverbial Clause of Ti,4,时间状语从句,(Adverbial Clause of Time),2.as while when 的用法,When/while,our English teacher,was explaining,the grammar to us,the headmaster came in and stopped him.,Our English teacher was explaining the grammar to us,when,the headmaster,came,in and stopped him.,(1)when 表示时间点或时间段，while只能表示时间段。while引导从句中的动词常为延续性动词，可以用进行时。,As,she entered,she responded pleasantly to the interviewers greeting.,As,the day went on,the weather got worse.,(2)as 强调伴随，常指两个动作同时发生。若从句表示“随着(时间)的流逝，只能用as。,时间状语从句(Adverbial Clause of Ti,5,时间状语从句,(Adverbial Clause of Time),2.as while when 的用法,He,was walking,along the street,when,he ran into an old friend.,I,had read,only a few lines,when,I heard the bell ringing.,He,was about to return,to the path,when he saw a river nearby,so he went to have a closer look.,(3)当主句是过去进行时，过去完成时或was/were about to do sth.等结构时，从句用when引导，且从句中谓语动词通常是瞬间动词的一般过去时。这时when作“这时/正在那时，突然”解释。,时间状语从句(Adverbial Clause of Ti,6,时间状语从句,(Adverbial Clause of Time),3.after before 的用法,He,bought,a house after he,sold/had sold,his car.,Before she,went to,the interview,she,made/had made,two journeys.,(1)after从句和before从句中的时态。,(2)before 与can 连用，解释为“还来不及”。,Before,I,could,explain,the cashier barked,“Cant you see theres a queue?Go to the end and wait your turn.”,时间状语从句(Adverbial Clause of Ti,7,时间状语从句,(Adverbial Clause of Time),3.after before 的用法,(3)It is+时间段+before 时间之后才,It is not long before 不久,long before 很久以后才,before long 不久 一会之后,It was a long time before,I got to sleep again.,It wont be long before,you are of age.,He hesitated,long before,he chose a proper answer.,It looks as though it will snow,before long,.,时间状语从句(Adverbial Clause of Ti,8,时间状语从句,(Adverbial Clause of Time),4.until句型,(1)Not until 位于句首，主句的主谓结构必须部分倒装。,Not until,the war ended,did,they meet again.,(2)“It is not until that”是“not until”句型的强调，勿使用倒装。,It was,not until the war ended,that,they met again.,时间状语从句(Adverbial Clause of Ti,9,地点状语从句,(Adverbial Clause of Place),1.引导地点状语从句的连接词,where wherever everywhere anywhere,2.区别where引导的定语从句和状语从句,The Winter Olympic Games are always held where there is plenty of snow.,The Winter Olympic Games are always held in the countries where there is plenty of snow.,地点状语从句,定语从句,地点状语从句没有先行词，定语从句有先行词。,地点状语从句(Adverbial Clause of Pl,10,条件状语从句,(Adverbial Clause of Condition),1.常用连接词,if(如果)unless(除非),2.其他连接词：as(so)long as/on condition that,suppose/supposing/provided/providing(that),only if,in case,given(the fact)that,I will come,on condition that,John is invited,too.,I will go,provided,the expenses are paid.,In case,the match is cancelled,what can we do?,Only if,you practise English as much as possible,are you able to,express yourself freely.,只要,假如,只要,如果 万一,倘若考虑到,比较:,You should not ski alone,in case,you fall.,比较:,If only,the innocent people,had not been killed,in the war.,条件状语从句(Adverbial Clause of Co,11,原因状语从句,(Adverbial Clause of Cause),1.because since as for的用法区别,He disturbed me,because,I was new.,Since,you are going,I will go,too.,As,it is raining,youd better take a taxi.,It must have rained last night,for,the ground is wet.,意义,位置,because,因为,强调未知原因,可前置或后置,since,既然,表示已知显然的理由,常前置,as,由于,可前置或后置,for,因为,常用于推断,后置,原因状语从句(Adverbial Clause of Ca,12,原因状语从句,(Adverbial Clause of Cause),2.只能用because的情况。,Why,arent you coming with us to the concert?,Because,I have got a bad headache.,It was because,I wanted to be closer to nature,that,I moved to the countryside.,They think they are so superior,just because,they make more money than I do.,He went to bed early today,not because,he was tired,but because,he had nothing to do.,(1)在回答由why提出的疑问句时。,(2)在强调句中。,(3)在just simply only等强调词后。,(4)与否定词not连用，或构成并列的because 分句。,原因状语从句(Adverbial Clause of Ca,13,原因状语从句,(Adverbial Clause of Cause),3.其他连接原因状语从句的连接词。,(1)now that(=since)通常置于句首，从句中多为现在时。,(2)considering(that)考虑到/seeing(that)既然。,(3)in that 本意表示“在方面”，也可以表示“因为”。,Now that,you have come,you may as well stay.,Considering(that),hes only been learning English a year,he speaks it very well.,Seeing(that),he refused to help us,there s no reason why we should now help him.,Men differ from brutes,in that,they can think and speak.,原因状语从句(Adverbial Clause of Ca,14,结果状语从句,(Adverbial Clause of Result),目的状语从句,(Adverbial Clause of Purpose),1.引导结果状语从句的连接词。,so that/so that/such that,The boy behaved himself at table,so that,he was praised by his mother.,He passed me a note with,such,little words on it,that,I failed to make them out.,2.引导目的状语从句的连接词。,so that/in order that/such that,lest/in case/for fear(that),He devoted,such,great care to his mother,that,she,might,recover quickly.,She looked down,so that,he,should,not see her eyes.,He studies hard,in case,he,should,fail in the exam.,结果状语从句(Adverbial Clause of Re,15,比较状语从句,(Adverbial Clause of Comparison),2.“The+比较级,the+比较级”结构,3.表示倍数的比较结构,The more,a man learns,the more,he sees his ignorance.,The higher,the tree is,the stronger,the wind is.,A is twice/three times+bigger/longer/higher+than B,A is,twice/three times+as big/long/high+as B,A is twice/three times+the size/length/height+of B,B is half/one-third+the size/length/height+of A,1.引导比较状语从句的连接词：,than/as as/not so(as)as,比较状语从句(Adverbial Clause of Co,16,比较状语从句,(Adverbial Clause of Comparison),4.修饰比较级的词,rather,much,many,still,even,far,some,any,a bit,a little,a lot,a great deal,表倍数的词,(1)当形容词比较级作定语时，用,much,或,far,，不可用,a great deal/a good deal/a lot,修饰。,I m feeling,much/a great deal better,than I was.,That s a,much/far more challenging,job.,(2)可修饰最高级的词有,almost,nearly,much,very,by far,the next,the,+序数词。,比较状语从句(Adverbial Clause of Co,17,比较状语从句,(Adverbial Clause of Comparison),5.比较时注意比较对象的前后对应。,The population,of Shanghai is larger than,that,in Beijing.,The texts,in Book III are much more difficult than,those,in Book I.,It is easier,to make,a plan than to,carry it out,.,Never before has,our country,been so powerful as,she,is today.,比较状语从句(Adverbial Clause of Co,18,方式状语从句,(Adverbial Clause of Manner),1.引导方式状语从句的连接词。,as if/as though,好像 仿佛,as if/as though,引导的方式状语从句中，既可以用陈述语气，表示与事实相符的情况，也可以用虚拟语气，表示可能性很小或与事实不符的情况。,It looks,as if,it is going to rain.,The child talks,as though,he were a man.,方式状语从句(Adverbial Clause of Ma,19,让步状语从句,(Adverbial Clause of Concession),1.引导让步状语从句的连接词。,Although,no one was injured,(still/yet/nevertheless)I have a guilty conscience.,Today the newspaper is still the cheapest,even though,a TV set is costing less and less.,Something inside your body is always going on,whether,you are aware of it,or,not.,While,I am not optimistic,I have not given up hope.,though/although/,as,/while/even if/even though,wh-ever/no matter+wh-,whether or,(In spite of/despite the fact that),让步状语从句(Adverbial Clause of Co,20,让步状语从句,(Adverbial Clause of Concession),2.让步状语从句的倒装,Clever,though/as,you are,you cant learn a language in a week.,Child,though/as,he is,he supports his family by selling newspapers.,Try,though/as,you will,you wont manage it.,Much,though/as,I admire him as a writer,I dont like him as a man.,though引导的让步状语从句可以顺装也可以倒装，,although 只能顺装，as只能倒装,。,让步状语从句(Adverbial Clause of Co,21,让步状语从句,(Adverbial Clause of Concession),3.no matter+wh-与 wh-ever的区别,No matter who/Whoever,you are,you should obey the law.,(1)引导让步状语从句时，no matter what/when/where/who/which/how 相当于whatever/whenever/wherever/whoever/whichever/however。,(2)no matter+wh-及wherever,whenever,however只能引导让步状语从句，不能引导名词性从句。whoever,whatever和whichever既可以引让步状语从句，还可以引导名词性从句。,whatever,happens,he manages to stay calm.,whatever,is worthy doing is worth doing well.,让步状语从句(Adverbial Clause of Co,22,让步状语从句,(Adverbial Clause of Concession),3.no matter+wh-与 wh-ever的区别,Whatever/No matter what difficulties,I meet with,I wont give up.,However/No matter how difficult,the problem is,I wont give up.,(3)引导让步状语从句时:,no matter what/whatever+名词,no matter how/however+形容词/副词,让步状语从句(Adverbial Clause of Co,23,让步状语从句其他必须注意的问题,1.as 可以引导哪些状语从句：,类型,例句,时间状语从句,As,he gets older,he gets more optimistic.,原因状语从句,We started off on foot,as,grandfather had a passion for walking.,比较状语从句,He does,not,write,so,neatly,as,John does.,方式状语从句,Everything happened exactly,as,(it had been)expected.,让步状语从句,Much,as,I admire him,I cant excuse his faults.,让步状语从句其他必须注意的问题1.as 可以引导哪些状语从,24,让步状语从句其他必须注意的问题,2.since 可以引导哪些状语从句：,类型,例句,时间状语从句,We,have been,friends(ever),since,we,met,at school.,原因状语从句,Since,we have no money,we cant buy it.,3.while 可以引导哪些状语从句：,类型,例句,时间状语从句,Make hay,while,the sun shines.,让步状语从句,While,I understand what you say,I cant agree with you.,让步状语从句其他必须注意的问题2.since 可以引导哪些,25,典型试题,Dont be afraid of asking for help _ it is needed.,A.unless B.since C.although D.when,(2)Id like to arrive 20 minutes early _ I can have time for a cup of tea.,A.as soon as B.as a result C.in case D.so that,(3)He was about to tell me the secret _ someone patted him on the shoulder.,A.as B.until C.while D.when,D,D,D,典型试题 Dont be afraid of asking,26,典型试题,(4)How far apart do they live?,_ I know,they live in the same neighborhood.,A.As long as B.As far as,C.As well as D.As often as,(5)A good storyteller must be able to hold his listeners curiosity _ he reaches the end of the story.,A.when B.unless C.after D.until,(6)Dad,Ive finished my assignment.,Good,and _ you play or watch TV,you mustnt disturb me.,A.whenever B.whether C.whatever D.no matter,B,D,B,典型试题(4)How far apart do the,27,典型试题,(7)Jasmine was holidaying with her family in a wildlife park _ she was bitten on the leg by a lion.,A.when B.while C.since D.once,(8)_,I have to put it away and focus my attention on study this week.,A.However the story is amusing,B.No matter amusing the story is,C.However amusing the story is,D.No matter how the story is amusing,A,C,典型试题(7)Jasmine was holidaying,28,典型试题,(9)Parents should take seriously their childrens request for sunglasses _ eye protection is necessary in sunny weather.,A.because B.though C.unless D.if,(10)_ most of the earths surface is covered by water,fresh water is very rare and precious.,A.As B.Once C.If D.Although,A,D,典型试题(9)Parents should take se,29,