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1、高考英语语法知识点讲解-状语从句结果状语从句 一、引导结果状语从句的从属连词一、引导结果状语从句的从属连词1.so thatHe worried so that he couldnt sleep.他急得睡不着。He spoke loudly so that everyone heard him clearly.他大声讲话大家听得很清楚。2.so .that .His statement was so clear that everybody was convinced.他说的话这么明白，大家都信服了。（so后接形容词）He finished his work so well that the
2、boss praised him in public.他工作完成得好，结果老板当众表扬了他。（so后接副词）I had so many falls that I was black and blue all over.我摔了许多跤，以致于全身都是青一块紫一块的。（so后接名词）3.such .that .（1）such+单数名词+that .It was such a fine day that the children went out to fly kites.天气非常好，孩子们都出去放风筝了。（2）such+复数名词+that .They are such heavy boxes tha
3、t nobody can move them away.这是些很重的箱子，谁也搬不走。（3）such+不可数名词+that .He shut the window with such force that the glass broke.他关窗子用力很大，结果玻璃震碎了。There is such serious pollution that no fish survive in the river.污染如此严重，河中没有鱼类幸存下来。结果状语从句 二、“such .that .”句式的特殊用法二、“such .that .”句式的特殊用法1.“such a+adj.+单数名词+that .”
4、可变为“so+adj.+a+单数名词+that .”Mike is such an honest worker that we all believe him.Mike is so honest a worker that we all believe him.麦克是个诚实的工人，大家都相信他。It is such a heavy box that nobody can move it away.it is so heavy a box that nobody can move it away.这是一个很重的箱子，谁也搬不走。2.当so或such置于句首时句子用倒装语序So clear was
5、 his statement that everybody was convinced.他的话这么明白，大家都信服了。So fast did he run that nobody could catch up with him.他跑得如此快没人能赶上他。Such heavy boxes are they that nobody can move them away.这是些很重的箱子，谁也搬不走。3.so many/few+可数名词；so much/little+不可数名词There is so little time left that we had to speed up.剩下的时间不多了，
6、我们必须加速。There are so many people in the street that I cant get through.街上人太多，我们过不去。He drank so much beer that he got drunk.他喝了太多的啤酒，结果醉了。He has so few friends that he doesnt know who to talk with.他朋友太少，不知与谁交流。目的状语从句 一、引导目的状语从句的从属连词一、引导目的状语从句的从属连词1.in order thatThey worked hard in order that they migh
7、t succeed.他们努力工作，以便能够获得成功。In order that they might not disturb us they whispered.他们低声细语，免得打扰我们。2.so thatHe raised his voice so that everyone could hear.他提高了嗓音，以便每个人都能听见。He took the early train so that he should arrive on time.他乘早班车以便能准时到达。3.for fear thatHe works hard for fear that he should fail.他怕失
8、败，因此工作很努力。He locked up the document for fear that it （should）be stolen.他把文件锁好了，免得被窃。目的状语从句 二、目的状语从句的简化二、目的状语从句的简化1.当主句和从句的主语一致时，in order that从句可简化为in order to do作目的状语。They worked hard in order that they might succeed.为了成功，他们努力工作。They worked hard in order to succeed.He got up early in order that he c
9、ould not be late for school.他早早起床为了上学不迟到。He got up early in order not to be late for school.2.当主句和从句的主语一致时，so that从句可简化为so as to do作目的状语。He took the early train so that he should arrive on time.为了准时到达，他乘坐早班车。He took the early train so as to arrive on time.He worked hard so that he would not fail the
10、 math exam.他努力学习，为了数学考试能及格。He worked hard so as not to fail the math exam.条件状语从句 一、引导条件状语从句的从属连词一、引导条件状语从句的从属连词1.if，unless（1）if表示正面的条件，意为“如果”。If he works hard，he will surely succeed.如果努力工作，他肯定会成功。If it rains tomorrow，theyll not go.如果明天下雨，他们就不去了。Do you mind if I open the window？ 我开窗你不介意吧？（2）unless表示反
11、面的条件，意为“如果不，除非”，相当于if .not。Dont come unless I telephone.除非我打电话，否则你别来。Theyll go tomorrow unless it rains.除非明天下雨，否则他们会去的。Theyll go tomorrow If it doesnt rain.2.as/so long asAs/So long as youre happy，it doesnt matter what you do.只要你高兴，你做什么都没关系。Ill remember that day as long as I live.只要我活着，我就不会忘记那个日子。3.
12、on condition thatI shall give you the book on condition that you return it no later than tomorrow.只要你决不迟于明天还给我这本书，我就将这本书借给你。4.in case（1）in case连词，表示条件，意为“如果”“万一”。Take your umbrella （just）in case it rains.带上雨伞，以防下雨。In case you see him，ask him about it.如果你见着他，问问他这事。（2）in case of介词短语，意为“假如”“万一”。Put on
13、the button，in case of fire.（假如）发生火灾，按此按钮。（3）in case 副词，意为“以防万一”。Youd better carry some money in case.你最好带些钱，以防万一。【提示】 条件状语从句中要遵循“主将从现”原则。If it rains tomorrow，Ill stay at home.明天要是下雨的话，我就呆在家里。条件状语从句 二、only if和if only的区别二、only if和if only的区别1.only if（1）only if中，only是副词修饰if，意为“只有（才）”。I will come home on
14、ly if you come with me.除非你跟我一起走，我才回家。I told him he would succeed only if he tried hard.我告诉他，只有努力才能成功。（2）only if 可用作“only .if .”表示唯一的条件。I will only come home if you come with me.除非你跟我一起走，我才回家。The sale will only go ahead if the serial numbers match.只有序号相符时，销售才能继续进行。（3）only if置于句首时，主句用倒装语序。Only if I ge
15、t a job will I have enough money to go to school.我只有找到工作才有足够的钱上学。Only if we have enough money will we visit Europe next year.只要有钱，明年我们就去欧洲。2.if only引导虚拟语气，表达强烈的愿望，意为“要是就好了”。If only they had attended our wedding anniversary.要是他们参加我们的结婚纪念日就好了。（与过去事实相反）If only I were as clever as you！ 要是我像你一样聪明该多好啊！（与现在事实相反）If she would only come！ 但愿她能来。（与将来事实相反）地点状语从句 一、引导地点状语从句的从属连词一、引导地点状语从句的从属连词1.where，whereverHe lives where the climate is mild.他住在一个气候温暖的地方。Sit wherever you like.你爱坐
