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1、关于英语那些你不知道的事都在这里美联英语提供：高中英语语法手册31She went downtown so that/in order that she would buy some clothes.= She went downtown so as to /in order to buy some clothes.为了买些衣服她进城。In order that he could make himself understood, he explained it again.= In order to make himself understood, he explained it again.
2、为了让大家理解，他又解释了一遍。2、lest, for fear that和in case引导目的状语从句 这三个连词词组的意思是“以防，以免”。lest的从句一般要用虚拟语气，形式是“should+动词原形”或省掉should。for fear that和in case从句一般用虚拟语气，但有时也可以用陈述语气。I obeyed her lest she should be angry. 我得顺着她，免得她生气。Take a hat with you in case the sun is very hot. 倘若太阳很利害，你就把帽子戴上。七、结果状语从句1、so that，sothat,
3、suchthat引导结果状语从句 So difficult did I feel it to live in an English-speaking country that I determined to learn English well.我感到在讲英语的国家里生活太难了，因此我决定学好英语。He worked hard so that he passed the exam. 他学习很努力，结果通过了考试。The film was so wonderful that we wanted to see it again. 电影很精彩以致于我们还想看一次。He spoke for such
4、a long time that people began to fall asleep.他讲了那么长时间，人们开始打起瞌睡了。2、sothat与suchthat的区别这两种结构都可引导结果状语从句。so是副词，后接形容词或副词；such是形容词，后接名词。（1）单数名词在so.that与such.that中间出现的是单数名词，且该名词前有形容词修饰时，这两种结构可互换，但要注意它们的词序不同:such+ a/an+形容词十名词=so+形容词+a/an+名词。She is such a good teacher that all of us love her.= She is so good
5、a teacher that all of us love her.她是一位很好的老师，我们都敬爱她。（2）不可数名词或复数可数名词如果被修饰的是不可数名词或复数可数名词时，一般须用such.that。He made such rapid progress that before long he began to write articles in English.他进步很快，不久就开始用英语写文章。(不可数名词)They are such interesting books that we all want to read them.这些书是那么有趣以致我们都想读一读。(复数可数名词)（3）
6、名词前有many，much，little，few修饰时如果不可数名词或复数可数名词前有many，much，little，few修饰时，则用sothat。Ive had so many falls that Im black and blue all over.我摔了好多次跤，周身青一块紫一块的。(复数可数名词)George had so little money that he had to get a job.乔治没有钱，所以他不得不找工作干。(不可数名词)They are such little children that they cant do anything.他们是小孩，什么事情都
7、干不了。巧记so和such引导结果状语从句名前such，形、副so，多多少少也用so。little属特殊，“小”用such，“少”用so。3、but, but that 和but what 如果主句中含有never, never so, not so, not such等否定词，可用but, but that 和but what引导结果状语从句，构成双重否定，相当于thatnot或unless，可以译成“没有不”。She never comes but she borrows. She never comes unless she borrows.她不借东西不来。She is so old b
8、ut that she can read.她并未老到不能读书的地步。There is no man so learned but what he can learn something from this book.再博学的人都会本书学到一些东西。4、如何判断so that引导的目的状语从句与结果状语从句（1）当表达的含义是“为了”、“以便”时，为目的状语从句；当表达的是“以至于”、“因此”含义时，为结果状语从句。If you do know, answer in a loud enough voice so that all the class may hear.(目的状语从句)如果你的确知
9、道，应大声回答，以便让全班学生都可以听见。It rained hard the day before yesterday, so that she had to stay at home.(结果状语从句)前天雨下得很大，因此她只好呆在家里。（2）当从句的谓语动词有情态动词can, could, may, might等时，是目的状语从句；当从句里没有情态动词，且谓语动词是一般现在时（过去时）、现在完成时等时态时，是结果状语从句。We stopped at Salt Lake City so that we could(might)visit the monument to seagulls. (
10、目的状语从句)我们在盐湖城逗留，以便可以参观为海鸥修的纪念碑。They have walked a long way, so that we are all tired. (结果状语从句)他们走了很长的路，所以都很累。（3）当从句之前的so that可用in order that代替时，是目的状语从句；反之，是结果状语从句。We now study hard so that we may work well in the future.(=We now study hard in order that we may work well in the future. (目的状语从句)我们现在努力
11、学习是为了将来更好地工作。(4)当so that之前有逗号时，是结果状语从句；反之，是目的状语从句The story is very interesting, so that I like it very much.(结果状语从句)这部小说很有趣，因而我非常喜欢。八、比较状语从句比较状语从句一般由asas(和一样)，not as/soas(与不一样)，than(比),the more, the more(越越)引导。The director gave me a better offer than he gave Dick.导师给我的提议比给狄克的好。In recent years travel
12、 companies have succeeded in selling us the idea that the further we go, the better our holiday will be.近几年旅游公司已成功地对我们灌输了去得越远，假日越好的观点。John plays football as well as, if not better than, David. 如果说约翰的足球踢的不比大卫好，至少和他踢的一样好。I cant run as/so fast as he can. 我不能跑得他那样快。巧学Than后面的代词是用主格还是用宾格?下列两句中，than分别用了I和m
13、e，两者都正确：She is older than me.(口语中常用)She is older than I(am)(较正式文体常用)但是，在有些句子中，用主格和用宾格，句子会截然不同。John likes Henry more than I. John likes Henry more than me.我们知道，than用作连词，它的后面省略了一个比较(方式)状语从句。现在我们把以上两句补充完整。John likes Henry more than I like Henry. John likes Henry more than he likes me.看得出，第一句的意思是：约翰比我更喜
14、欢亨利。第二句的意思是：约翰喜欢亨利胜过喜欢我。那么，在什么情况下，than后面的人称代词用主格？什么情况下用宾格？一、如果主句谓语是不及物动词，than后面的人称代词用主格或宾格均可，且意义无区别。She draws better than I(me).它画得比我好。要注意：如果人称代词后面有all时，人称代词一般用宾格。She draws better than them all.二、如果主句谓语是及物动词，且than后面的名词或代词又与动词连用时，than后面的人称代词只能用主格。He loves the dog more than his wife does.他比他的妻子更爱这条狗。三
15、、如果主句谓语是连系动词be, than后面的人称代词用主格或宾格均可，且意义无区别。He is taller than I(me).他比我长得高。四、如果主句谓语是及物动词，特别是like, love, hate等及物动词，than后面的人称代词用用主格或宾格均可， 但句意不同。逻辑上，这些及物动词既能与人称代词构成“主谓关系”，又能构成“动宾关系”。因此，用主格时，后面省去了主句中的谓语和宾语；用宾格时省去了句子的主语和谓语。I like the boy better than she.=I like the boy better than she likes the boy.我比她更喜欢
16、那个男孩。I like the boy better than her.=I like the boy better than I like her.我喜欢那个男孩胜过喜欢她。九、让步状语从句让步状语从句由though，although，as，even if (though)，however，whatever，whoever，whenever，no matter +wh词，等引导。1、even if, even though, although，though引导的让步状语从句 这四个词（词组）都有“虽然、即使、尽管”的意思。even if和even though带有较强的意味，语气比although和
