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1、第13讲状语从句的5个高频考点及2种解题方法备考指导状语从句是历年高考中考查的最多的一个考点，通常是以单项填空、完形填空的选项、语法填空、短文改错和书面表达的形式进行考查。解决状语从句类题目通常使用的方法有：看是否是考查固定句型中固定用法，是否可以运用分析句式结构与句子成分来判断，是否可以运用句子的语境和语义来判断，是否可以通过主从句的谓语动词发生的逻辑关系来判断，是否可以通过运用还原法来做出正确的判断。一、状语从句中的5个高考热点1when的用法(1)表示突然发生某事，意为“正在突然”。I was just coming along to see you when I ran into Mr
2、.White.我正准备来看你，突然遇到了怀特先生。(2)表示过早发生某事，意为“还没(刚刚)就”。I had not been reading for half an hour when I heard steps outside.我刚刚读了还不到半小时就听到外边的脚步声。(3)表示对比，意为“本该；而(却)”。He walks when he might take a taxi.他可以打的，可他还是步行。He removed the tree when it was the best in the ground.这棵树本来在地里长的是最好的时候，他却把它移走了。(4)表示条件，意为“在的情况
3、下”。Why do you walk when you have a car?你有车怎么还步行呢？How can we explain it to you when you wont listen?在你不听的情况下，我们怎么跟你解释？2while的用法(1)表示转折、对比，意为“而；当却”。Some people waste food while others havent enough.有些人浪费食物，而有些人却不够吃的。(2)表示“尽管；虽然”(多放在句首)。While I admit its good points，I can see its disadvantages.尽管我承认它的优
4、点，但是我能看到它的缺点。(3)表示“只要”。Where there is life，there is hope.留得青山在，不愁没柴烧。(4)表示“既然”。Id like to get it settled today while we are at it.既然我们做，我就希望今天把它做完。3before的用法(1)表达“还未就；不到就；才；还没来得及就”等含义。We walked four days before we reached our destination.我们走了四天才到目的地。Before I could say a word，he had measured me.我还没来得
5、及插话，他就给我量好了尺寸。Before they reached the station，the train had gone.他们还没到火车站，火车就开走了。(注意before从句的谓语动词不用否定式)(2)It will be一段时间before.，表示“还要多久才”。It wont be long before he comes back.不久他就会回来的。4引导时间状语从句的名词短语every time，each time，next time，the last time，any time等，表示“每当；每次；下一次”。Next time you come，do remember to
6、 bring your son here.下一次来时，一定把你儿子带来。5“一就”的几种表达法as soon as，immediately，directly，instantly，the moment，the minute，the instant，once，on (doing) sth.，at the sight/thought/mention of，no sooner.than.，hardly (scarcely).when表示“一就”。We had no sooner arrived at the station than the train left.No sooner had we ar
7、rived at the station than the train left.On our arrival at the station，the train left.我们一到车站，火车就开了。At the sight of her mother，the girl ran to her at once.The girl ran to her mother as soon as she saw her.女孩一看到她妈妈，就向她跑去。二、解决状语从句的2个方法方法1句意翻译法对于状语从句的解答来说，最重要的一点是能够正确地翻译句子的意思，这样就能够判断出该从句是状语从句中的哪一种，选择也就很容
8、易了。典例展示1(2016全国卷)Over time, _ the population grew, people began cutting food into small pieces so it would cook more quickly.答案when/as解析此处空格处引导时间状语从句，表示“当时候，随着”，应用when/as。典例展示2(2015陕西高考)My only mistake was that I dropped some on the floor after I was packing them up._答案afterwhen/while解析句意：我唯一的错误是在我打
9、包的时候，把一些(饼干)掉在了地上。表示“当的时候”应用when或while。故after改为when/while。方法2分清句子类型法对于有些试题来说，掌握和分清一些固定的句型结构是很重要的，同时也要注意该从句与别的一些从句的区别，如地点状语从句和定语从句，结果状语从句和定语从句等。典例展示1He was told that it would be at least three more months _ he could recover and return to work.答案before解析句意：他被告知至少还要三个月他才能恢复健康，回去上班。这里使用了固定句型：It will be一
10、段时间before.的句型，“要多久才”， since也可以和一段时间连用，但是句型是：It is/has been一段时间since.”，故填before。典例展示2It will be 5 or 10 years _ it is possible for people to found a space station on the moon.答案before解析句意：大约5年或10年后，人们才有可能在月球上建立太空站。before意为“在之前”，常用句式：It will be some time before.。跟踪训练考点突破.用适当的连接词填空1One Friday，we were p
11、acking to leave for a weekend away _ my daughter heard cries for help.2It was April 29，2011 _ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.3Frank insisted that he was not asleep _ I had great difficulty in waking him up.4As is reported，it is 100 years _ Qingh
12、ua University was founded.5_ dry a desert may be，it is not necessarily lifeless.6He had no sooner finished his speech _ the students started cheering.7_ regular exercise is very important，its never a good idea to exercise too close to bedtime.8_ all of them are strong candidates，only one will be cho
13、sen for the post.9He had his camera ready _ he saw something that would make a good picture.10Jack wasnt saying anything，but the teacher smiled at him _ he had done something very clever. .单句改错1Last summer I went to Xian with my parents.We visited many places of interest as the temperature was over
14、38 ._2He is so busy.He cannot afford enough time with his son as if he wants to._3Until we have enough evidence，we cant win the case._4She was such a proud person that she would die after she would admit she was wrong._5Amazing although it is，an astronauts superior position is filled with potential danger._6It is reported that it may be two or three months until it is possible to test this medicine on animals._7It was about midnight since we found the lost child，crying under a tree._8I did finish my homework until ten last night._9What he does, his mother will always think hes right._
