英语句型中各从句的概念？ 英语的十四种从句的句型及例句！
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who
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\u4ee5\u6b64\u7c7b\u63a8\u4f60\u5c31\u4f1a\u53d1\u73b0\u89c4\u5f8b\u4e86\u3002
1.\u4e3b\u8bed\u4ece\u53e5 1\uff09\u4e3b\u8bed\u4ece\u53e5\u53ef\u76f4\u63a5\u4f4d\u4e8e\u4e3b\u8bed\u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u4ece\u53e5\u8f83\u957f\uff0c\u8c13\u8bed\u53c8\u8f83\u77ed\uff0c\u53ef\u7528it\u4f5c\u5f62\u5f0f\u4e3b\u8bed\uff0c\u800c\u5c06\u4ece\u53e5\u653e\u5728\u53e5\u672b\u3002\u5e38\u89c1\u7684\u53e5\u578b\u6709\uff1a *It is a fact\a pity\a question\good news that... 2)what\u5f15\u5bfc\u7684\u4e3b\u8bed\u4ece\u53e5\u8868\u793a\u201c...\u7684\u4e1c\u897f\u65f6\u201d\uff0c\u4e00\u822c\u4e0d\u7528it\u4f5c\u5f62\u5f0f\u4e3b\u8bed\u3002 What we lack is experience. 3)what,who,when,why,whether\u7b49\u8bcd\u542b\u6709\u5404\u81ea\u7684\u7591\u95ee\u610f\u4e49\uff0c\u4f46\u5b83\u4eec\u5f15\u5bfc\u7684\u4e3b\u8bed\u4ece\u53e5\uff0c\u90fd\u7528\u9648\u8ff0\u8bed\u5e8f\u3002 How the plan is to be carried out should be discussed again. 2.\u5bbe\u8bed\u4ece\u53e5 1\uff09\u5bbe\u8bed\u4ece\u53e5\u53ef\u4f4d\u4e8e\u53ca\u7269\u52a8\u8bcd\u3001\u4ecb\u8bcd\u548c\u67d0\u4e9b\u5f62\u5bb9\u8bcd\u540e\u3002\u8fde\u8bcdthat\u5e38\u53ef\u7701\u7565\u3002\u4ecb\u8bcd\u540e\u4e00\u822c\u63a5\u7591\u95ee\u8bcd\u5f15\u5bfc\u7684\u5bbe\u8bed\u4ece\u53e5\u3002in that(\u56e0\u4e3a),except that(\u9664\u4e86),but that(\u53ea\u662f\uff09\u5df2\u6784\u6210\u56fa\u5b9a\u642d\u914d\uff0c\u5176\u4ed6\u4ecb\u8bcd\u540e\u4e00\u822c\u4e0d\u63a5that\u5f15\u5bfc\u7684\u5bbe\u8bed\u4ece\u53e5\u3002 *I promised that I would change the situation. 2.\u5bbe\u8bed\u4ece\u53e5 1\uff09\u5bbe\u8bed\u4ece\u53e5\u53ef\u4f4d\u4e8e\u53ca\u7269\u52a8\u8bcd\u3001\u4ecb\u8bcd\u548c\u67d0\u4e9b\u5f62\u5bb9\u8bcd\u540e\u3002\u8fde\u8bcdthat\u5e38\u53ef\u7701\u7565\u3002\u4ecb\u8bcd\u540e\u4e00\u822c\u63a5\u7591\u95ee\u8bcd\u5f15\u5bfc\u7684\u5bbe\u8bed\u4ece\u53e5\u3002in that(\u56e0\u4e3a),except that(\u9664\u4e86),but that(\u53ea\u662f\uff09\u5df2\u6784\u6210\u56fa\u5b9a\u642d\u914d\uff0c\u5176\u4ed6\u4ecb\u8bcd\u540e\u4e00\u822c\u4e0d\u63a5that\u5f15\u5bfc\u7684\u5bbe\u8bed\u4ece\u53e5\u3002 *I promised that I would change the situation. 3.\u8868\u8bed\u4ece\u53e5 \u8868\u8bed\u4ece\u53e5\u51fa\u73b0\u5728\u7ed3\u6784\u4e3a\u201c\u4e3b\u8bed+\u7cfb\u52a8\u8bcd+\u8868\u8bed\u4ece\u53e5\u201d\u7684\u53e5\u5b50\u4e2d\u3002\u8868\u8bed\u4ece\u53e5\u9664\u53ef\u7528that,what,when,why,whether,how\u7b49\u5f15\u5bfc\u5916\uff0c\u8fd8\u53ef\u7531because,as if(though)\u7b49\u5f15\u5bfc\u3002that\u5e38\u53ef\u7701\u7565\u3002\u5982\u4e3b\u53e5\u4e3b\u8bed\u4e3areason,\u53ea\u80fd\u7528that\u5f15\u5bfc\u8868\u8bed\u4ece\u53e5\uff0c\u4e0d\u53ef\u7528because. Perhaps the most important thing to remember is that there is no one common type of life in America. 2)\u5bbe\u8bed\u4ece\u53e5\u540e\u5982\u6709\u5bbe\u8865\uff0c\u8981\u7528\u5f62\u5f0f\u5bbe\u8bedit\u6765\u4ee3\u66ff\uff0c\u800c\u628a\u5bbe\u8bed\u4ece\u53e5\u79fb\u81f3\u5bbe\u8865\u4e4b\u540e\u3002 He has made it clear that he would not change his mind. 4.\u540c\u4f4d\u8bed\u4ece\u53e5 \u540c\u4f4d\u8bed\u4ece\u53e5\u7528\u4e8e\u5bf9\u524d\u9762\u51fa\u73b0\u7684\u540d\u8bcd\u4f5c\u8fdb\u4e00\u6b65\u8bf4\u660e\uff0c\u4e00\u822c\u7528\u8fde\u8bcdthat\u5f15\u5bfc\uff0c\u7531\u4e8e\u5148\u884c\u540d\u8bcd\u7684\u610f\u4e49\u4e0d\u540c\uff0c\u4e5f\u53ef\u7528whether,who,when,where,what,why,how\u7b49\u5f15\u5bfc\u3002\u5e38\u89c1\u7684\u5148\u884c\u540d\u8bcd\u6709fact,idea,belief,news,hope,conclusion,evidence,suggestion,order,problem,report,decision.\u6709\u65f6\u7531\u4e8e\u8c13\u8bed\u8f83\u77ed\uff0c\u5c06\u540c\u4f4d\u8bed\u4ece\u53e5\u4f4d\u4e8e\u8c13\u8bed\u4e4b\u540e\u3002 She finally made the decision that she would join the fashion show. 5.\u5b9a\u8bed\u4ece\u53e5 \u5b9a\u8bed\u4ece\u53e5\u6240\u4fee\u9970\u7684\u5148\u884c\u8bcd\u53ef\u4ee5\u662f\u540d\u8bcd\u6216\u4ee3\u8bcd\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a\u53e5\u5b50\u3002\u5b9a\u8bed\u4ece\u53e5\u901a\u5e38\u4f4d\u4e8e\u5148\u884c\u8bcd\u4e4b\u540e\uff0c\u7531\u5173\u7cfb\u4ee3\u8bcd\u6216\u5173\u7cfb\u526f\u8bcd\u5f15\u5bfc\u3002 *\u9650\u5236\u6027\u5b9a\u8bed\u4ece\u53e5 \u9650\u5236\u6027\u5b9a\u8bed\u4ece\u53e5\u4fee\u9970\u5148\u884c\u8bcd\uff0c\u5bf9\u5148\u884c\u8bcd\u8d77\u4fee\u9970\u4f5c\u7528\uff0c\u7d27\u63a5\u5148\u884c\u8bcd\u4e4b\u540e\uff0c\u65e0\u9017\u53f7\uff0c\u82e5\u7701\u53bb\uff0c\u539f\u53e5\u610f\u601d\u4e0d\u5b8c\u6574\u3002\u5f15\u5bfc\u5b9a\u8bed\u4ece\u53e5\u7684\u5173\u7cfb\u4ee3\u8bcd\u6709who,whom,whose,which,that\u7b49\u3002who,whom,whose\u7528\u4e8e\u6307\u4eba\uff0cwhose\u6709\u65f6\u4e5f\u53ef\u6307\u7269\uff0c\u76f8\u5f53\u4e8eof which\uff1bwhich\u7528\u4e8e\u6307\u7269\uff1bthat\u65e2\u53ef\u6307\u4eba\u4e5f\u53ef\u6307\u7269\uff0c\u4f46\u53ea\u7528\u4e8e\u9650\u5236\u6027\u5b9a\u8bed\u4ece\u53e5\u4e2d\u3002\u5173\u7cfb\u4ee3\u8bcd\u9664\u4e86\u5f15\u5bfc\u5b9a\u8bed\u4ece\u53e5\uff0c\u66ff\u4ee3\u5148\u884c\u8bcd\u5916\uff0c\u8fd8\u5728\u4ece\u53e5\u4e2d\u62c5\u4efb\u4e3b\u8bed\u3001\u5bbe\u8bed\u3001\u5b9a\u8bed\u7b49\u3002 The computers and cables which make up the Internet are owned by people and organizations. Those who live alone or who are sick may have trouble in getting close to other people. The girl whose parents died in an accident is living with her grandmother. 1)\u5f53\u5148\u884c\u8bcd\u662fall,anything,everything,something,nothing\u7b49\u4e0d\u5b9a\u4ee3\u8bcd\u6216\u5148\u884c\u8bcd\u524d\u6709first,last,any,few,much,some,no,only\u4ee5\u53ca\u5f62\u5bb9\u8bcd\u6700\u9ad8\u7ea7\u4fee\u9970\u65f6\uff0c\u53ea\u80fd\u7528\u5173\u7cfb\u4ee3\u8bcdthat\u5f15\u5bfc\u4ece\u53e5\u3002 That is all that I've heard from him. He's the first person that I'm going to interview this afternoon. 2)\u5173\u7cfb\u4ee3\u8bcd\u7684\u7701\u7565 \u5728\u4ece\u53e5\u4e2d\u4f5c\u5bbe\u8bed\u7684\u5173\u7cfb\u4ee3\u8bcd\u5e38\u53ef\u7701\u7565\u3002\u5173\u7cfb\u4ee3\u8bcd\u7d27\u8ddf\u4ecb\u8bcd\uff0c\u4f5c\u4ecb\u8bcd\u5bbe\u8bed\u65f6\u4e0d\u53ef\u7528that\uff0c\u53ea\u53ef\u7528which\u6216whom\u5f15\u5bfc\u4ece\u53e5\uff0c\u5e76\u4e14\u4e0d\u53ef\u7701\u7565\uff0c\u4f46\u5f53\u4ecb\u8bcd\u4f4d\u4e8e\u5bbe\u8bed\u4ece\u53e5\u53e5\u672b\u65f6\uff0c\u4f5c\u4e3a\u4ecb\u8bcd\u5bbe\u8bed\u7684\u5173\u7cfb\u4ee3\u8bcd\u4ecd\u53ef\u7528that\uff0c\u4e5f\u53ef\u7701\u7565\u3002 This is one of those things with which we have to put up. This is one of those things (which\that) we have to put up with. 3)\u5f15\u5bfc\u5b9a\u8bed\u4ece\u53e5\u7684\u5173\u7cfb\u526f\u8bcd\u6709when,where,why\u7b49\u3002\u5173\u7cfb\u526f\u8bcd\u5728\u4ece\u53e5\u4e2d\u4f5c\u72b6\u8bed\uff0c\u610f\u4e49\u4e0a\u76f8\u5f53\u4e8e\u4e00\u4e2a\u201c\u4ecb\u8bcd+which\u201d\u7684\u7ed3\u6784\u3002 Even in comic books where(=in which) there are no words,the stories are fully expressed through the drawings. No one knows the reason why(=for which) he was so angry that day. 6.\u72b6\u8bed\u4ece\u53e5 *\u65f6\u95f4\u72b6\u8bed\u4ece\u53e5 \u5f15\u5bfc\u65f6\u95f4\u72b6\u8bed\u4ece\u53e5\u7684\u4ece\u5c5e\u8fde\u8bcd\u548c\u8bcd\u7ec4\u6709\uff1a 1\uff09when,whenever,while,as,after,before,since,till,until,once\u7b49\u3002 We have learnt quite a lot about it since we came here. 2)as soon as,hardly(scarcely)...when,no sooner...than,each(every) time,the moment,immediately(that)\u7b49\u3002 As soon as I sent an e-mail message,I received positive responses. The moment he heard the good news,he jumped with joy. *\u5730\u70b9\u72b6\u8bed\u4ece\u53e5 \u5f15\u5bfc\u5730\u70b9\u72b6\u8bed\u4ece\u53e5\u7684\u8fde\u8bcd\u662fwhere,wherever. Wherever she went,she took her little daughter with her. *\u539f\u56e0\u3001\u7ed3\u679c\u548c\u76ee\u7684\u72b6\u8bed\u4ece\u53e5 1\uff09\u5f15\u5bfc\u539f\u56e0\u72b6\u8bed\u4ece\u53e5\u7684\u4ece\u5c5e\u8fde\u8bcd\u6709\uff1abecause,as,since,now(that),seeing that,considering that,in that\u7b49\u3002 Considering that he is a freshman,we must say he is doing well. 2)\u5f15\u5bfc\u7ed3\u679c\u72b6\u8bed\u4ece\u53e5\u7684\u8fde\u8bcd\u6709\uff1aso...that,such...that,so that,that,so\u7b49\u3002 Mickey Mouse is so attractive that the children are reluctant to leave. 3)\u5f15\u5bfc\u76ee\u7684\u72b6\u8bed\u4ece\u53e5\u7684\u8fde\u8bcd\u6709\uff1aso that,in order that,for fear that,lest\u7b49\uff0c\u4ece\u53e5\u5e38\u4f7f\u7528may,might,can,could,would\u7b49\u60c5\u6001\u52a8\u8bcd\u3002 We got up early this morning so that we could catch the first bus to the railway station. *\u6761\u4ef6\u548c\u8ba9\u6b65\u72b6\u8bed\u4ece\u53e5 1\uff09\u5f15\u5bfc\u6761\u4ef6\u72b6\u8bed\u4ece\u53e5\u7684\u8fde\u8bcd\u548c\u8bcd\u7ec4\u6709if,unless,as(so) long as,on condition that,in case,provided(providing) that,supposing\u7b49\u3002 As long as you have the right equipment,you can use a telephone line to transmit computer data. 2)\u5f15\u5bfc\u8ba9\u6b65\u72b6\u8bed\u4ece\u53e5\u7684\u8fde\u8bcd\u548c\u8bcd\u7ec4\u6709though,although,whether,even though,even if,no matter what(when,how...),whatever(whenever,wherever,however....)\u7b49\u3002though,even if\u7b49\u5f15\u5bfc\u72b6\u8bed\u4ece\u53e5\u53ef\u8f6c\u6362\u6210\u542b\u6709as\u7684\u90e8\u5206\u5012\u88c5\u7ed3\u6784\uff0c\u5177\u6709\u5f3a\u8c03\u610f\u4e49\u3002\u5176\u7ed3\u6784\u4e3a\u201c\u5f62\u5bb9\u8bcd\uff08\u526f\u8bcd\u3001\u52a8\u8bcd\u3001\u540d\u8bcd\uff09+as+\u4e3b\u8bed+\u8c13\u8bed\u201d\u3002 No matter what you may say,I would not change my mind. Young as he is,he is quite experienced in this work.(=though he is young) Child as he is,he can speak English fluently.(=though he is a child) *\u65b9\u5f0f\u72b6\u8bed\u4ece\u53e5 \u5f15\u5bfc\u65b9\u5f0f\u72b6\u8bed\u4ece\u53e5\u7684\u8fde\u8bcd\u6709as,just as,as if,as though\u7b49\u3002as if,as though\u5f15\u5bfc\u7684\u72b6\u8bed\u4ece\u53e5\u4e2d\uff0c\u8c13\u8bed\u52a8\u8bcd\u5e38\u7528\u865a\u62df\u8bed\u6c14\uff0c\u8868\u793a\u4e0e\u4e8b\u5b9e\u76f8\u53cd\u3002 The young man made the experiment just as the teacher had taught him. Everything went on as usual as if nothing had happened.
A: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 B:宾语丛句是对主干句子的宾语所作的解释说明或或修饰限制等;表语丛句是对主干句子的表语所作的解释说明或修饰限制等.这两类丛句的功能相似,只是受作用者在句子中的成分不同.分别举例如下:A.I have a beautiful hat, which is my birthday present from my sister. 主干句的宾语为hat,而which……就为宾语丛句，修饰限制hat。所以这句话可理解为：我有一顶漂亮的帽子，（什么样的帽子呢？）是我姐姐送给我的生日礼物。B.It's soft,touched comfortably.此句中的soft的句子成分为表语，touched……就为表语丛句，起补充说明的作用。所以这句话可以这样理解：这个东西很柔软，（有多柔软呢？）摸起来很舒服。 C:一、在复合句中用作同位语的从句叫同位语从句。它一般跟在某些名词后面，用以说明该名词表示的具体内容。如：
I heard the news that our team had won．我听到了我们队获胜的消息。二、可以跟同位语从句的名词通常有news，idea，fact，promise，question，doubt，thought，hope，message，suggestion，words（消息），possibility等。如：
I’ve come from Mr wang with a message that he won’t be able to see you this afternoon． 我从王先生那里来，他让我告诉你他今天下午不能来看你了。
三、英语中引导同位语从句的词通有连词 that，whether，连接副词 how,when,where等。（注：if,which 不能引导同位语从句。）如：
l have no idea when he will be back．我不知道他什么时候回来。 四、有时同位语从句可以不紧跟在说明的名词后面，而被别的词隔开。 如：
Several years later，word came that Napoleon himself was coming to inspect them．
几年以后，有消息传来说拿破仑要亲自视 察他们。 五、同位语从句与定语从句的区别。
1、同位语从句与前面的名词是同位关系，即说明它前面名词的内容；而定语从句与前面的名词是修饰与被修饰关系，即限定它前面的名词范围，或补充一些情况。如：
The news that l have passed the exam is true．我通过了考试这一消息是真的。
（同位语从句，即从句所表达的意思就是前面名词的内容。）
The news that he told me just now is true．他刚才告诉我的消息是真的。
（定语从句，从句对前面名词起修饰限制作用，即“他告诉我的”那个消息，而不是别的消息。）
2、关系词在句中是否做成分 。如：
The idea that computers can recognize human voices surprises many people.
计算机能够识别人的声音的想法使许多人感到惊奇。（that在从句中不充当任何成份。）
The idea that he gave surprises many people．他提出的观点令许多人感到吃惊。
（that在从句中作gave的宾语。）
3、从句是否有疑问的意义。如：
eg.Do you remember the day when i told you that i loved you?(when引导的从句不表示疑问，所以这是一个定语从句。）
eg.I have asked the question why it was true just now.(why引导的从句表示疑问，所以这是一个同位语从句。）
一个名词(或其它形式)对另一个名词或代词进行修饰，限定或说明，这个名词(或其它形
式)就是同位语。同位语与被它限定的词的格要一致，并常常紧挨在一起。 D:状语从句：
用一个句子（从句）来作另一个句子（主句）的状语，用作状语的句子就叫作状语从句。作什么样的状语就叫什么类型的状语从句。例如：条件状语从句就是用一个句子来作条件状语。
状语从句的分类：
（1）时间状语从句
凡是从句都必须有引导词，引导时间状语从句的词有when，before，after，until，as soon as，while 等。
（2）条件状语从句
主要看一下由if引导的条件状语从句。if 意为“如果”，引导条件状语从句时，表示假如有从句的动作发生就（不）会有主句的动作发生。例如：
If it doesn't rain tomorrow，we will go there by bike.如果明天不下雨，我们就骑自行车去那里。
If I get there early，I can see the doctor quickly.如果我早早地到那里，我就可以快点看病。
3）地点状语从句用法要点
常用where（哪里）和wherever（无论哪里）eg.
Where there is a will，there is a way. 有志者，事竟成。
We will go wherever the motherland need us most. 我们要到祖国最需要的地方去。
（4）原因状语从句用法要点
常用的引导连词有because，as和since，三者的区别是：在回答问题的时候，使用because；对于显而易见的原因，常用as或since；as和since的从句常放在主句之前，而because的从句常放在主句之后。eg.
Why did you go？ I went because Tom told me to go. 你为何去？那是因为汤姆叫我去。
He was angry not because we were late but because we made a noise.
他很生气不是因为我们来迟了，而是因为我们弄出了声音。
As it was raining hard，we had to be indoors. 由于雨太大，我们只好呆在家里。
Since you feel ill，you'd better not go to work. 既然你感觉不舒服，你最好不要去上班了。
（5）目的状语从句用法要点
常用的引导连词有so that，that和in order that译为：以便，为了，目的是。eg.
Please speak more slowly so that we can make full notes. 请讲慢一点，以便我们能作详细笔记。
I shall write down your address that I may not forget. 我要把你的地址记下来，以免忘记。
I sent the letter by air mail in order that it might reach him in time. 这封信我以航空信发出，以便他能及时收到。
注：目的状语从句可以用动词不定式来替换做目的状语。eg.
We work harder than usual finish it in a week. 我们比平常加倍努力工作以在一周内完成工作。 E:主语从句
定义:在复合句中充当主语的句子叫做主语从句.1. 以what等连接代词引导的主语从句
What you need is more practice. 你需要的是更多的练习。
Whoever wants it may have it. 谁要都可以给他。
同类的连接代词还有：What, who, whom, whose, which, whatever, whoever, whichever
2. 以that, whether从属连词引导的主语从句
It was strange that he had made a mistake. 真奇怪，他竟然错了。
That we need more equipment is quite obvious. 我们需要更多的设备，这是很明显的。
Whether he will join us won't make too much difference.
他是否加入我们，没有太大的差别。
3. 主语从句的引导词that什么时候可以省略
当主语从句不太长时，引导词“that”可以省略
It's clear (that) he has done his best. 很明显他已经尽力而为了。
It's a wonder (that) he didn't fail. 真奇怪，他没有失败。
4. 以when等连接副词引导的主语从句
When they will come hasn't been made public. 他们什么时候来还没有公布。
Where she has gone is not known yet. 她去了哪儿，还不知道。
Why he did it will remain a puzzle for ever. 为什么他做那件事将永远是个谜团。
5. 虚拟语气：主语从句
形容词为necessary, important, impossible, strange, natural, essential时，在“It + be + 形容词或过去分词 + 主语从句”中，主语从句要虚拟。
It is necessary that the problem (should) be discussed at once.
立刻讨论这个问题很有必要。
It is strange that he (should) have so many friends. 太奇怪了，他有那么多的朋友。
6. 主语从句与强调句的区别
注意事项：
1). 在主语从句中，把It was … that去掉之后，就已经完全不像一个句子了。
2). 在强调句中，把It was … that去掉之后，还基本上像个句子。
3). 主语从句有以下的引导词：what, who, whom, whose, which, whatever, whoever, whichever
4). 强调句的引导词只有：that, who。 F:补语从句的概念可以无视。补语从句：宾补（宾语补足语），动补(表语补足语) Can you lend me the book that you bought last month ? (宾补从句) you bought last month 表示一本特定的书（或许是我和你一起去买的，也可能是我知道你上个月去买了一本书,而我想借的就是那本书） She is a teacher that teaching the Chinese in ShenZhen Universty.(表补从句) teaching the Chinese in ShenZhen Universty 表示她是一个什么样的老师 G:定语
在句中修饰名词或代词的成分叫定语。
用作定语的主要是形容词，代词，数词，名词，副词，动词不定式，介词短语等。形容词，代词，数词，名词等作定语时，通常放在被修饰的词前面。
He is a new student.他是个新生。
但副词，动词不定式，介词短语等作定语时，则放在被修饰的词之后。
The bike in the room is mine.房间里的自行车是我的。 H：状语：是用来修饰动词、形容词、副词或全句用的。
He works hard! （他努力工作）中的hard。
状语的位置：修饰形容词或副词的状语放在被修饰语之前；修饰动词的状语有的放在动词前，有的放在动词之后。如果动词有宾语，状语一般须放在宾语之后。
如： The Summer Palace is very beautiful.颐和园非常美丽。
（very 为状语，修饰形容词 beautiful，放在 beautiful 之前）。
I know him well.我十分了解他。（well为状语，修饰动词 know，放在 know 之后）。
He often came here to see me.他经常到这里来看我。（often 为宾语，修饰动词came，放在 came前面）。 I：补语有宾语补足语和主语补足语。及物动词的宾语常有不定式作宾语补足语，句子的意义才完整。动词有：ask,tell,invite等。
例He asked you to call him back at 11.
当带有宾语及宾语补足语的动词，变为被动语态时，原宾语变为主语，原宾语补足语则变为主语补足语。
例He was asked to make a speech at the meeting.
这些资料都只是供你参考一下了，具体的还是建议你买本书，内容会更加详尽一些，给你的这些资料有点多了，还需要你花点时间看看，希望对你有所帮助。
首先你要搞懂什么叫定语，宾语，同位语，状语，表语，主语,补语。 因为从句其实就相当与一个名词 用来代替一种句子成分。其次就是五大句子结构 1主谓句式S+V(S+V+A)例如 i study, 2 主系表结构S+V+C 例如 He is a student 3主语宾句S+V+O 例如 I love sports. 4宾补结构S+V+O+C 例如 She has rice as supper.5 双宾语结构S+V+O+O He passed me a book.例如 I am who I am 和 I am me, 在这里其实 who I am 就相当与代替了me 在句子里做宾语的成风 以此类推你就会发现规律了。
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