英语中的几种从句(句型),请解释说明 英语的十四种从句的句型及例句！
1.名词性从句 2.定语从句 3.状语从句
名词性从句中分：
1.主语从句：例，it is important to read book.(形主it作主语，真正的主语是to read book)
that air has pressure was known long ago.(关联词that引导的句子that air has pressure作主语从句)
2.宾语从句：I think it necessary that he should do his homework.(形式宾语it引导的)
I'm sure that my test will succeed.(sure后用that引导的宾从)
3.表语从句：系动词后的从句
it may be as you say(be是系动词，后面用as引导的)
this is that he is too young to go to school.(有系动词is，后面由that引导的表语从句)
4.同位语从句：同位语从句是对前面名词的解释说明，如：
The facts that he had done his homework.(事实就是he had done his homework，是对前面the facts的解释，是什么事实)
定语从句：在句子中起定语作用，修饰剧中的名词或代词的从句叫定从
例：the man (who is shaking hands with my father) is my teacher.(括号中就是定从，修饰限定the man)
BeiJin is a city (which has a long history).(括号中是定从，修饰the city)
状语从句：在复合句中担任状语成分的从句叫状语从句
例：I will tell her about that (when i see her). 为时间状从
just stay (where you are).为地点状语
Because he is ill,he is absent today.为原因状语
这也很局限，其实要讲的还很多，你可以多看看语法书之类的
从句句型，其实理解很简单 从句就是起到修饰限制作用。 按照修饰限制的对象不同，就形成了不同的句型。句型有几种我也不能一下子全部告诉你。
不过有个方法可以看出来是什么句型。
首先
你一定要确定他是不是句复合句。一句句子只有一个主句（也就是基本包含主谓宾），当你看见2句句子写成一句句子，那你就可以开始找从句了。
其次
找关键词，什么事关键词。what who where when how等等这些词语都有可能是关键词。首先你看这些关键词加上后面的句子是否能组成一句句子作为从句，然后看关键词前的单词是否是被从句起到修饰和限制。 如果找到了这些因素那就基本就是了 什么样的关键词就是什么样的句型
when 修饰时间的 时间可以做状语 表状态 那就叫时间状语从句 还有where也是
what 修饰各种东西，可以修饰主语 宾语等等，修饰什么就叫什么从句 不过可以统称名词性XX从句吧。
以此类推
当然如果是学生的话，考试会尽量把从句做得很复杂和隐蔽，让人难以察觉，那你就要多做题目，熟悉各种句型。如果是日常用语，那很少有用到从句，或者日常写作业尽量避免复杂难懂的句型。
希望能帮到你
d.是个定语从句
强调句型与定语从句
a.
强调句型的结构：it
is
/
was
+
被强调的成分
+
that
...
b.
强调的成分是主语、宾语和状语。
c.
强调句型可用“还原法”来判断，若删除强调句型结构后，句子能还原为一个完整的句子，就是强调句。
d.
where引导的定语从句则修饰限制表示地点的名词：
spot,
place,
house,
school,
factory,
station等。
e.
注意强调句型指时间、地点时不能用when或where。试比较：
it
was
not
until
1920
that
regular
radio
broadcast
began.
(强调句)
it
was
1920
when
regular
radio
broadcast
began.
(定语从句)
请注意坚持这条原则：把it
is....
that/who拿掉，如果还是一个完整的句子，那就是强调句，如果不是，那就是定语从句．
定语从句
主语从句
谓语从句
状语从句
宾语从句
补语从句
英语问题，这是什么句型，请解释说明下，谢谢！~
What many people do not realize is that there are a number of pros and cons of relying on workplace fashion trends. One of those pros was mentioned above.
第一句是一个主从复合句，其中What many people do not realize 是主语从句；that there are a number of pros and cons of relying on workplace fashion trends 作表语从句。
第二句是一个被动语态的简单句。
1.主语从句 1）主语从句可直接位于主语的位置，如果从句较长，谓语又较短，可用it作形式主语，而将从句放在句末。常见的句型有： *It is a fact\a pity\a question\good news that... 2)what引导的主语从句表示“...的东西时”，一般不用it作形式主语。 What we lack is experience. 3)what,who,when,why,whether等词含有各自的疑问意义，但它们引导的主语从句，都用陈述语序。 How the plan is to be carried out should be discussed again. 2.宾语从句 1）宾语从句可位于及物动词、介词和某些形容词后。连词that常可省略。介词后一般接疑问词引导的宾语从句。in that(因为),except that(除了),but that(只是）已构成固定搭配，其他介词后一般不接that引导的宾语从句。 *I promised that I would change the situation. 2.宾语从句 1）宾语从句可位于及物动词、介词和某些形容词后。连词that常可省略。介词后一般接疑问词引导的宾语从句。in that(因为),except that(除了),but that(只是）已构成固定搭配，其他介词后一般不接that引导的宾语从句。 *I promised that I would change the situation. 3.表语从句 表语从句出现在结构为“主语+系动词+表语从句”的句子中。表语从句除可用that,what,when,why,whether,how等引导外，还可由because,as if(though)等引导。that常可省略。如主句主语为reason,只能用that引导表语从句，不可用because. Perhaps the most important thing to remember is that there is no one common type of life in America. 2)宾语从句后如有宾补，要用形式宾语it来代替，而把宾语从句移至宾补之后。 He has made it clear that he would not change his mind. 4.同位语从句 同位语从句用于对前面出现的名词作进一步说明，一般用连词that引导，由于先行名词的意义不同，也可用whether,who,when,where,what,why,how等引导。常见的先行名词有fact,idea,belief,news,hope,conclusion,evidence,suggestion,order,problem,report,decision.有时由于谓语较短，将同位语从句位于谓语之后。 She finally made the decision that she would join the fashion show. 5.定语从句 定语从句所修饰的先行词可以是名词或代词，也可以是一个句子。定语从句通常位于先行词之后，由关系代词或关系副词引导。 *限制性定语从句 限制性定语从句修饰先行词，对先行词起修饰作用，紧接先行词之后，无逗号，若省去，原句意思不完整。引导定语从句的关系代词有who,whom,whose,which,that等。who,whom,whose用于指人，whose有时也可指物，相当于of which；which用于指物；that既可指人也可指物，但只用于限制性定语从句中。关系代词除了引导定语从句，替代先行词外，还在从句中担任主语、宾语、定语等。 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)当先行词是all,anything,everything,something,nothing等不定代词或先行词前有first,last,any,few,much,some,no,only以及形容词最高级修饰时，只能用关系代词that引导从句。 That is all that I've heard from him. He's the first person that I'm going to interview this afternoon. 2)关系代词的省略 在从句中作宾语的关系代词常可省略。关系代词紧跟介词，作介词宾语时不可用that，只可用which或whom引导从句，并且不可省略，但当介词位于宾语从句句末时，作为介词宾语的关系代词仍可用that，也可省略。 This is one of those things with which we have to put up. This is one of those things (whichhat) we have to put up with. 3)引导定语从句的关系副词有when,where,why等。关系副词在从句中作状语，意义上相当于一个“介词+which”的结构。 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.状语从句 *时间状语从句 引导时间状语从句的从属连词和词组有： 1）when,whenever,while,as,after,before,since,till,until,once等。 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)等。 As soon as I sent an e-mail message,I received positive responses. The moment he heard the good news,he jumped with joy. *地点状语从句 引导地点状语从句的连词是where,wherever. Wherever she went,she took her little daughter with her. *原因、结果和目的状语从句 1）引导原因状语从句的从属连词有：because,as,since,now(that),seeing that,considering that,in that等。 Considering that he is a freshman,we must say he is doing well. 2)引导结果状语从句的连词有：so...that,such...that,so that,that,so等。 Mickey Mouse is so attractive that the children are reluctant to leave. 3)引导目的状语从句的连词有：so that,in order that,for fear that,lest等，从句常使用may,might,can,could,would等情态动词。 We got up early this morning so that we could catch the first bus to the railway station. *条件和让步状语从句 1）引导条件状语从句的连词和词组有if,unless,as(so) long as,on condition that,in case,provided(providing) that,supposing等。 As long as you have the right equipment,you can use a telephone line to transmit computer data. 2)引导让步状语从句的连词和词组有though,although,whether,even though,even if,no matter what(when,how...),whatever(whenever,wherever,however....)等。though,even if等引导状语从句可转换成含有as的部分倒装结构，具有强调意义。其结构为“形容词（副词、动词、名词）+as+主语+谓语”。 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) *方式状语从句 引导方式状语从句的连词有as,just as,as if,as though等。as if,as though引导的状语从句中，谓语动词常用虚拟语气，表示与事实相反。 The young man made the experiment just as the teacher had taught him. Everything went on as usual as if nothing had happened.
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