[德语语法德语时间从句总结]1． wenn, als 当……的时候 wenn 可用于各种时态，表示多次性、重复性的行为。 如果从句位于主句前，常可在从句前加上jedesmal和immer表示强调。 jedesmal wenn, immer wenn 可...+阅读
定语从句概要： （这是有关定语从句的精要介绍，涵盖了有关定语从句的各个方面，供参考：） 引导定语从句的关联词包括关系代词和关系副词。关系代词有that, which, whose, who, whom, as；关系副词有when, where, why。关系代词和关系副词在定语从句中都充当一定的句法成份。关系代词在从句中充当动词的宾语时一般可以省略。 关系代词的选用比较复杂，受下列条件的制约：
（1） 要看先行词是指人还是指物，
（2） 要看关系代词在从句中句法功能，
（3） 要看定语从句是限定性的还是非限定性的。 在定语从句中充当的成分 ↓ 用于限定性或非限定性从句 只用于限定性从句 指人 指物 指人或指物 主语 who which that 宾语 whom which that 谓语 whose whose (of which) That 只能用在限定性定语从句中，而who, whom, which, which 既可用于限定性定语从句中，也可用于非限定性定语从句。 I know that he is a man who means what he says. I know that he is a man that means what he says. 【我知道他是一个守信用的人。】 The gentleman whom she met addressed her with courtesy. The gentleman that she met addressed her with courtesy. 【她遇到的那位先生很有礼貌地向她打了招呼。】 The gentleman she met addressed her with courtesy.（在从句中充当动词宾语的关系代词，可以省略。） The watch which was lost has been found. The watch that was lost has been found. 【丢了的表找到了。】 Here is the material which you need. （注：现代美语中不允许这样用） Here is the material that you need. Here is the material you need. 【你要的材料在这儿了。】 You are the only one whose advice he might listen to. 他也就是听你的话吧。 关系副词的选用相对来说比较简单，如果先行词是表示时间的名词，如time, day 等，则用when， 如先行词为表示地点的名词，如place, house, area 等等，则选用where。如果先行词为reason 则选用why I will never forget the mountain village where I spent my childhood. I will never forget the mountain village in which I spent my childhood. 我永远也不会忘记我度过童年的那个小山村。 I don't know the reason why he did that. I don't know the reason for which he did that. 【我不知道他为什么这么做。】 当先行词是all, something, nothing 等不定代词时，或者先行词的前面有first, last, only, few, much, some, any, no 等词修饰时，或者先行词的前面有最高级修饰时，一般只用that 而不用which 来引导定语从句： I have explained everything that I can to you. I have explained everything I can to you. 【我已经尽一切可能把事情向你解释得一清二楚。】 This is the most beautiful campus that I have ever been to. This is the most beautiful campus I have ever been to. 【这是我见到的最美丽的校园。】 That's all that I know. That's all I know. 【我知道的就是这些。】 Can you tell me something that you know? Can you tell something you know？ 【你能把你知道的一些情况告诉我吗？】 There is nothing that I cannot tell you. There is nothing I cannot tell you. 【我没有什么不能告诉你的事情。】 The first thing that we should do is to work out a plan. The first thing we should do is to work out a plan. 【我们应该做的头一件事就是订一个计划。】 The last place that we visited was the farm. The last place we visited was the farm. 【我们最后参观的地方是农场。】 还有一种定语从句，它的结构是：the same ….. as…， such … as 这里的as 可以指人或物，这里的as 引导的是限定性定语从句： Such furniture as is very popular is expensive. 一种很受欢迎的家具价钱昂贵。 We have successfully done the same experiment as you did. 你做过的那个试验我们已经成功地做完了。 It wasn't such a computer as the advertisement had promised. 这种电脑可不是广告中说的那种电脑。 限定性定语从句与主句关系密切，为句中不可缺少的部分，如去掉，主句意思就不完整了。而非限定性定语从句与主句关系松散，如果去掉了，主句内容仍然完整。在书面语中非限定性定语从句一般补逗号隔开。非限定性定语从句一般不用that 引导。引导非限定性定语从句的关系词不可省略。 His speech, which bored everyone, went on and on. 他的讲话没完没了，真让人烦。 The general's daughter, whose name is Jane, gave me a sweet smile. 将军的女儿名叫珍妮。她冲我笑了笑，笑得好甜啊。 非限定性定语从句中，先行词也可以是整个句子，一般用which 或as 来引导定语从句，which在从句中可充当主语、宾语等，as 在从句中一般只充当主语，which 与as 引导这类定语从句的区别在于：which 只能放在句子当中或句子末尾，而as 的位置比较灵活，可以放在句子当中、句子末尾，也可以放在句首。 As is known to all, too much stress can cause disease. Too much stress can cause disease, as is known to all. Too much stress can cause disease, which is known to all. 【众所周知，压力太大了，人会得病的。】 Water consists of hydrogen ...
高中英语定语从句总结各个方面限定非限定关系代词关系副词等等
一、 定语从句与引导词 定语从句是在复合句中修饰某一名词或代词的从句。被修饰的名词或代词叫做选行词，而引导定语从句的词叫引导词，有关系代词和关系副词两类。懂得什么样的先行词后用什么样的引导词是学好定语从句的关键。 1.关系代词有： that,which,who,whom，在定语从句中作主语、宾语或表语，whose 作定语。 代人的有：who,whom,whose,that；代物的有：that,which,whose. 例如： The man who helped you is Mr White.(who代人，在定语从句中作主语) That is the person(whom/who/that) you want to see. (whom,who,that代人，在定语从句中作宾语，可省略) I'm not the fool(that) you thought me to be.(that代人，在定从中作表语) A dictionary is a useful book which(=that) tells us the meaning of words(which 或that代物，在定从中作主语) 2.关系副词有：when（指时间），where（指地点），why（指原因），在定语从句中作状语。
例如：Would you suggest a time(when) we can have a talk?(when可省略) The house where they live is not very large./This is the reason why he did not came to the meeting. 注意：不是表时间的先行词都用when引导定从，不是表地点的先行词都用where引导定从。例如：We'll visit the factory which(=that) makes radios. (which或that在定从中作主语，where不可用主语，故不可用) They still remember the happy days(which/that) they spent in Beidaihe. (which或that在定从中作spent的宾语，when不可作宾语，故不可用)
二、限制性定语从句与非限制性定语从句 限制性定语从句和主句之间不用逗号分开，修饰主句中的某一个名词或名词词组或代词；非限制性定语从句常用逗号和主句隔开，可以修饰主句中的某一个词，也可修饰整个句子。
非限制性定语从句不能用that引导，引导非限制性定语从句的关系词不能省略。非限制性定语从句例：Li Ping's father, who works in a factory, is an engineer./He tore up my photo, which made me very angry.(which指代主句内容，因前后两句是因果关系，此时which不可换为as。) He is good at physics, as is known to us all.=As is known to us all, he is good at physics.(as指代主句内容，在as is known/believed, as we all know/believe这类结构中as不可换为which)
三、 只用that引导和不用that引导的场合 1.只用that的场合 1）当先行词既包括人又包括物时： He talked about the men and the books that attracted him. 2）指物的先行词被any, every, only, very, all, no等修饰时：These are the very points that interest me./That is the only watch that I like most. 3）指物的先行词被序数词或形容词最高级修饰时：The first step that we are to take is very difficult./This is the second card that he gave me. 4）先行词是指物的不定代词all,little,few,much，及everything,anything,nothing等时：There is still much that can be done about it./Have you got everything that you need? 5）先行词是who时：Who that have seen him does not like him? 2.不用that的场合如下： 1） 非限制性定语从句中 Last night ,I saw a very good film,which was about the Long March . 2）介词放在关系代词之前时 This is the man from whom I learnt the news 3）句中出现了that，或先行词是that时 I have found that which I was looking for.
四、“介词+关系代词”用法 1.介词的确定应依据定语从句中短语的习惯性搭配，例如：Who is the girl with whom you just shook hands?(shake hands with…是习惯性搭配) 2.介词常受先行词的制约（即介词和先行词的搭配），例如：He built a telescope through which he could study the skies.(through which 即through the telescope) 3.当关系代词作“动词+介词”固定短语的宾语时，此时因定短语中的介词不能拆开移到关系代词前。
例如：This is the watch which you´re looking for./He is a kind of man whom you can safely depend on.
五、几个名词后的引导词 1. situation,case, scene,point,activity等后常用where,in which引导定语从句：Can you imagine a situation where/in which you can use the word? 2. way（方式，方法）后常用in which或that或how引导定语从句，也可省略：Do you know the way(in which/that/how) he worked out the problem? 3. “the same+名词”，“such+名词”，“as+名词”后通常用as引导定语从句。
例如：I have the same dictionary as you(have). Such a book as you bought is not worth buying.
谁能说说高中定语从句讲解
定语从句是由关系代词和关系副词引导的从句，其作用是作定语修饰主句的某个成分，定语从句分为限定性和非限定性从句两种。状语从句分为时间状语从句，结果状语从句，让步状语从句，原因状语从句，条件状语从句以及行为方式状语从句。名词从句包括主语从句，宾语从句，表语从句和同位语从句及there be句型。
一、 限定性定语从句 1. that即可代表事物也可代表人，which代表事物；它们在从句中作主语或宾语，that在从句中作宾语时常可省略关系词，which在从句中作宾语则不能省略。而且，如果which在从句中作“不及物动词+介词”的介词的宾语，注意介词不要丢掉，而且介词总是放在关系代词which的前边，但有的则放在它原来的位置 2. which作宾语时，根据先行词与定语从句之间的语义关系，先行词与which之间的介词不能丢 3. 代表物时多用which，但在带有下列词的句子中用that而不用which，这些词包括all, anything, much等，这时的that常被省略 4. who和whom引导的从句用来修饰人，分别作从句中的主语和宾语，whom作宾语时，要注意它可以作动词的宾语也可以作介词的宾语 5. where是关系副词，用来表示地点的定语从句 6. when引导定语从句表示时间 〔注〕值得一提的是，表示时间“time＂一词的定语从句只用when引导，有时不用任何关系代词，当然也不用that引导 By the time you arrive in London, we will have stayed there for two weeks. I still remember the first time I met her. Each time he goes to besiness trip, he brings a lot of living necessities, such as towers, soap, toothbrush etc. 7. whose是关系代词，修饰名词作定语，相当于所修饰成分的前置所有格 8. 当从句的逻辑主语是some, any, no, somebody, anybody, nobody, something, anything, everything或nothing时，常用there is来引导
二、非限定性定语从句：非限定性定语从句的作用是对所修饰的成分作进一步说明，通常和主句间用逗号隔开，将从句拿掉后其他部分仍可成立 1. which引导的非限定性定语从句来说明前面整个句子的情况或主句的某一部分 2. 在引导限定性定语从句时，that有时相当于in which, at which, for which或at which Attitudes towards daydreaming are changing in much the same way that(in which) attitudes towards night dreaming have changed. 人们对白日做梦的态度正在改变，这与人们对夜间做梦的看法的变化有非常相似之处。 I like the music for the very reason that(for which) he dislike it. 我出于某种原因喜欢这种音乐，而他恰恰与我相反。 We arrived the day that(on which) they left. 刚好我们到的那天他们走了。 3. 有时as也可用作关系代词 4. 在非限定性定语从句中，不能用that，而用who, whom代表人，用which代表事物
三、定语从句结构错误 1. 缺关系词 2. 从句中缺成分 摘自《简明英语语法》 在英文中，有两种定语从句：限定性定语从句与非限定性定语从句。这两种定语从句在其功能和形式方面都有明显的区别： 限定性定语从句限定性定语从句与主句的关系很紧奏，对其先行词起限定、修饰的作用。如果将其去掉，会影响句子意思的完整性；有时甚至于引起费解、误解。例如： Rainforests are being cleared for valuable timber and other resources to speed up the economic growth of the nationsin which they are located . 为了加速他们各自所在国家的经济发展，热带雨林作为有价值的原木和其他资源正为人们所砍伐。 Ocean currents affect the climates of the lands near which they flow. 洋流影响其流经的附近地区的气候。 They explained the reason to us why they had hated us before. 他们向我们解释为什么他们不喜欢我们的原因。 非限定性定语从句非限定性定语从句在形式上就与主句很松散，它与主句之间有一个逗点＂，＂隔开；它对其先行词没有限定、修饰的作用，只起补充、说明的作用。有时也用它来对全句进行补充、说明。即使将其去掉，也不会影响句子意思。由于上述原因，非限定性定语从句在表达意思方面也有别于限定性定语从句。另外，非限定性定语从句在中文译文里，我们往往将其作为一个分句处理，而不把它作定语翻译。 例如：Earlier , the Babylonians had attempted to map the world , but they presented it in the form of a flattened disc rather than a sphere , which was the form adopted by Ptolemy . （此句中，非限定性定语从句是对先行词a sphere进行补充、说明。） 更早之前，巴比伦人曾试图绘制世界地图，但是他们把它绘制成平盘状而不是托勒密所采用的球体状。 The combination of satellites, which transmit information , computers , which store information , and television , which displays information , will change every home into an education and entertainment center . （此句中，三个非限定性定语从句分别对三个先行词：satellites ,computers和television进行补充、说明。如果去掉这三个非限定性定语从句，那么句子可简化为： The combination of satellites , computers and television will change every home into an education and entertainment center .）卫星能传输信息，计...
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