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准关系代词but，as，than作关系代词引导定语从句but既可指人，也可指物，常在定语从句中充当主语。
but本身含"否定"的意思，其作用相当于"that /which /who．．．not"。
它前面的主句通常有"否定"的词（如：no，not， little，few，hardly等）。
but引导的肯定定语从句和否定的主句连用，达到强烈肯定的修饰效果。
例如： There is no mother but loves her own children．（=There is no mother that/who does not love her own children．）没有不爱自己孩子的母亲。
as既可指人，也可指物，常在限制性定语从句中充当主、宾、表语。
as引导的定语从句的先行词前面常有as /such /the same等修饰词。
例如：①He is as brave a man as ever lived．他是世界上最勇敢的人。
②Don’t read such books as are not worth reading．不要读那些不值得读的书。
as作关系代词，还可用来引导非限制性定语从句，as引导的定语从句可放在句首、句中或句末。
例如：① Taiwan，as we all know，is an inseparable part of China．②As we all know，Taiwan is an inseparable part of China．③Taiwan is an inseparable part of China， as we all know． than既可指人，也可指物，可作关系代词来引导定语从句。
than前通常有表比较的词。
例如：Fewer friends than we had expected came to our evening party．来参加晚会的朋友比我们预料的还要少。
As引导的定语从句（配练习与答案）一、Review定语从句1. 定语从句的基本用法2. 限制性定从的基本用法a. 作用：起限定作用, 不可省，使句意不完整。
b. 位置：位于先行词之后，不用逗号。
c. 翻译：用形容词的形式去翻译。
d. 修饰：先行词。
Eg: He has two sisters who are working in the city. （他有两个在城市里工作的妹妹。
）3.非限制性定从a.作用：起补充说明, 可省。
b.位置：位于先行词之后，用逗号隔开。
c.翻译：译成两个并列句。
Eg: He has two sisters , who are working in the city. (他有两个妹妹，都在城市里工作。
)d.不能用“that”引导非限制性定从。
e.修饰：先行词或整个句子。
(which可指代整个句子)f.Eg: He missed the show, which was a great pity. (他错过了那个节目，真是太遗憾了。
)g.表达先行词部分或全部的数量的结构为：先行词为人：some/all + of +whom先行词为物：some/all + of +which Eg: Here are the questions , some of which I thought are very easy.二、as 引导限制性定从1. as 作关系代词, 可指人也可指物, 在从句中可作主语和宾语。
2. 固定搭配: such as (例如, 象这样)，as…..as (和…..一样)，the same as (与…..相同)Eg: Such people as had made great contributions should be respected. (主语)Eg: You can take as many books as you need. （宾语）三、As引导的非限定性定从句1. 用法：表达说话人的观点/看法.2. 位置：可放在主句之前，也可放在主句之后。
定语从句中that,as, but ,than定语从句中as, that1、as 作为关系代词,用于限制性从句中,只能用在such,same,as或so的后面;用于非限制性定语从句中,则代替整个主句位置,如:Such a tree as I planted is called fir. As many boys as come will be admitted.He did it in so special a way as excited me.As is reported, a foreign delegation will arrivehere on Sunday.【注意】 1、在such as后有时跟一些名词作为例子,而不是从句。
2、在such后有时也可用who,which,that,what引导从句,如:He is such a man that I never wantto know.3、the same as与the same that的区别:The same as表示表示与从句中的内容“相似”,the same that表示与从句中的内容是“同一”。
注意:当先行词由the same修饰时,偶尔也用that引导定语从句,但是和由as 所引导的定语从句意思不同She wore the same dress that she wore at Mary's wedding. 她穿着她在Mary婚礼上穿过的一条裙子。
She wore the same dress as her young sister wore.她穿着和她妹妹所穿的一样的裙子。
2、but 表“不”的意思,不太常用,表示“that/who/whom…not”的意思,引导限制性从句,常用在否定句中,如:There is no one but knows him. (= Everyone knows him.)3、than 作为关系代词,只和形容词、副词的比较级一起用,如:He has more books than is necessary. I stayed longer than is demanded by my boss.(【难点分析】(一)限制性定语从句只能用that 的几种情况1.当先行词是anything, everything, nothing, something , few, all, none, little, some 等代词时,或者是由every, any, all, some, no, little, few, much 等修饰时(1) Have you taken down everything that Mr. Li has said?(2) There seems to be nothing that seems impossible for him in the world.(3) All that can be done has been done.(4) There is little that I can do for you.【注意】 Any man that/who has a sense of duty won't do such a thing. That is all that I have to say.2. 当先行词被序数词修饰(1) The first place that they visited in London was the Big Ben.3. 当先行词被形容词最高级修饰时(1) This is the best film that I have seen.4. 当形容词被the very, the only修饰时(1) This is the very dictionary that I want to buy,(2) After the fire in his house, the old car is the only thing that he owned.当先行词指人时,偶尔也可以用who:(3) Wang Hua is the only person in our school who will attend the meeting/5. 当先行词前面有who, which等疑问代词时(1) Who is the man that is standing there?(2) Which is the T-shirt that fits me most?6. 当先行词既有人,也有动物或者物体时(1) Can you remember the scientist and his theory that we have learned?7、that常和以-ible和-able结尾的词一起用,如:There is no plan that is impossible. There is no road that is impassable.不能用that的几种情况:1、关系代词与它的动词若被隔开时,不能用that,而要用who,which等:I am ready to help any man who, in case he is in trouble, needs my help.2、在介词后面不可用that来代替物,可把介词放在从句的句末用that,也可省略:Here is the novel about which I told you. Here is the novel (that) I told you about.关系代词as和which 引导的定语从句as和which引导非限制性定语从句,有相同之处也有不同之处。
As 的用法例1. the same… as;such…as 中的as 是一种固定结构, 和……一样……。
I have got into the same trouble as he (has.2. as可引导非限制性从句,常带有'正如'。
例1.As we know, smoking is harmful to one's health.例2.As is known, smoking is harmful to one's health.As是关系代词。
例1中的as作know的宾语;例2中,它充当从句的主语,谓语动词know要用被动式。
一、“as / which” 特殊定语从句的先行成分1. 形容词或形容词短语作先行成分, 具有形容词意义的介词短语也可以充当先行成分,如:My grandmother’s house was always of great importance to me, as my own is.在一定的语言环境里,有些名词可以具有形容词的性质。
这些名词主要是那些表示人的身份、职业、状态的名词。
值得一提的是,在这些具有形容词性质的名词之后,引导定语从句的关系代词不能用who / whom.2. 动词短语先行成分。
这种动词短语既可是限定形式也可是非限定形式。
如果是动态动词短语,它们在从句中就一般有限定或非限定形式的替代动词do和as /2.定语从句和同位语的区别1.定语从句修饰限定先行词,它与先行词是修饰关系;同位语从句说明先行词的具体内容,它与先行词是同位关系。
这句子可以是整个主句也可以只是主句中的一个从句。
有时是连续几个句子,有时甚至可以是一个完整的故事。
二、“as/which”特殊定语从句在句中的位置由于先行成分的构成成分不同,“as/which”特殊定语从句在句中的位置有以下几种情况:2.定语从句由关系代词或关系副词引导,关系词在从句中担当相应的句子成分,关系代词在从句中作宾语时经常可省略。
but和than引导定语从句的用法一、but可被看作关系代词，引导定语从句，在句中作主语，在意义上相当于who not或that not，即用在否定词或具有否定意义的词后，构成双重否定。
①There is no mother but loves her children．没有不爱自己孩子的母亲。
②There was no one present but knew the story already．在场的人都知道这个故事。
二、than作关系代词时，一般用在形式为比较级的复合句中，其结构为形容词比较级（more）．．．than＋从句，than在从句中作主语，相当于that，代表它前面的先行词。
这时，它兼有连词和代词的性质①The indoor swimming pool seems to bea great deal more luxurious than is necessary．室内游泳池过于豪华。
②He got more money than was wanted．他得到了更多的钱。
运用上述知识翻译下列句子：1．任何人都喜欢被赞扬。
（but）2．我们大家都想去桂林。
（but）3．没有人不同情那些贫困的孩子。
（but）4．我们班上没有一个人不想帮你。
（but）5．这件事情比想象的要复杂。
（than）6．这个广告的效果比预想的要好。
（than）7．这个问题看起来容易，实际上很难。
（than）8．他爸妈给他的零用钱总是超过他的需要。
（than）答案：1．There is no one but likes to be praised．2．There is no one of us but wishes to visit Guilin．3．There is no man but feels pity for those poor children．4．There is no one in our class but wants to help you．5．This matter is more complex/ complicated than is imagined．6．This advertisement is more affective than is expected．7．The problem may be more difficult in nature than would appear．8．He got more pocket money from his parents than was demanded．5．无论多么荒凉，多么难以行走的地方，人们也能把它变成战场?（but）5．There is no country so wild and difficult but will be made a theatre of war．。
as在定语从句中的用法下面就是店铺为您收集整理的as在定语从句中的用法的相关文章，希望可以帮到您，如果你觉得不错的话可以分享给更多小伙伴哦！篇一：as在定语从句中的详细用法(1) as引导的定语从句修饰表人或物的先行词，即先行词可以是人也可以是物；在定语从句中可以做主语、宾语或表语；常用于the sameas/suchas/as(so)as句型，as不论在定语从句中作何成分，均不能省略。
① 先行词为人such teachers， as作主语②I’ll buy the same bike as I lost yesterday. 先行词为物the same bike，as作宾语 ,指同一类事物※此时注意和the same that 引导的定语从句的区别It’ that引导定语从句，作宾语，指同一个事物※ She wore the same dress that she wore at Mary's wedding. (the samethat特指同一个) 她穿着她在Mary婚礼上穿过的同一条裙子。
(the sameas 泛指同一类) 她穿着和她妹妹所穿的一样的裙子。
那块手表和我丢失的一模一样。
(the sameas 泛指同一类) 那就是我丢失的那块手表。
(the samethat特指同一个) ③The school is just the same one as it was 10 years ago.先行词为物the same one (school), as作表语It’ 先行词为物so heavy a box，as作宾语此时应注意as引导的定语从句和结果状语从句such / sothat的区分It’ 结果状语从句sothat如此以至于※He is such a good student as is liked by everyone.(定语从句，as在从句中作主语) （结果状语从句suchthat） that在从句中不充当任何成分，故不是定语从句，而是结果状语从句(2) as引导的非限制性定语从句可以修饰整个主句, 可以放在主句前，主句后或插入主句中间。
高考英语定语从句知识精讲一、关系代词引导的定语从句1、that 指人或物在从句中作主语，宾语或表语；which 指物在从句中作主语，宾语或表语（作宾语时可以省略）；who 指人在从句中作主语，宾语或表语（作宾语时可以省略）；whom 指人在从句中作宾语（作宾语时可以省略）；whose 指人或物在从句中作定语；as 指人或物在从句中作主语，宾语或表语；注意：指物时，whose+名词 = the+名词+of which 或 of which + the +名词2、as 的用法（1）常用于下列结构：such…as; so…as; the same…as;注意：the same…as 表示同一类，不同一个the same…that 表示同一个（2）as与which的区别a、位置不同as可放在主句后，主句前或主句中间；which只能放在主句后。
b、as起连接作用，表达说话人的观点、看法，并指出主句内容的根据或出处，意为“正如，正像”。
which相当于并列句，可以用and this来代替，意为“这一点，这件事’”。
注意：as常用于下列结构：as we know/ as is known to all, as we all can see, as has been said before/above, as might be excepted, as is often the case, 一般不能用which 代替as。
c、在从句中作主语时，which既可作系动词be的主语也可作实义动词的主语，而as只可作系动词be的主语。
二、只用that不用which的情况1、先行词为 all, much, everything, nothing, something, anything, nothing, none, the one等不定代词时2、先行词被only, any, few, little, no , all, just , very ,right等修饰时.3、当先行词是最高级或被形容词最高级修饰时。
定语从句中关系代词as的用法定语从句是指一类由关系词引导的从句,因为这类从句的句法功能多是做定语，所以曾被称为定语从句，这类从句除了可以做定语之外，还可以充当状语等其他成分，所以现代语言学多使用“关系从句”这一术语。
下面为大家带来了定语从句中关系代词as的用法，欢迎大家参考！一、AS引导限制性定语从句。
AS引导限制性定语从句时,通常和such,the same,as(so)等连用,构成such...as/such as,the same...as/the same as,as(so)...as等结构,在从句中可作主语,宾语和表语。
1.such...as/such as意为“...的那种...,像那样的”，such...as/suchas引导限制性定语从句时,既可指人,也可指物。
such用于名词之前时,具有形容词性质;such单独使用(即后面不接名词)时,具有代词性质。
Don’t trust such men as praise you to you r face.(as作主语) 不要相信那种当面吹捧你的'人。
You should read only such books as you can understand without much difficulty.(as作宾语)你应当只读那些你读起来不太难懂的书。
Associate with such as will improve your manners.(as作主语) 要和能改善你的言行的那种人结交。
2.the same...as/the same as意为“与...同样的”,和such一样,the same既有形容词作用,又有代词性质。
We have arrived at the same conclusoin as they have.(as作宾语)我们已得出和他们同样的结论。
比较:the same...as和the same...that不同,前者是“同那一个相似”,后者是“正是那一个”。
高中英语语法基础——定语从句知识点归纳讲解（附同步练习）★先行词：被定语从句修饰的名词或代词叫先行词。
通常情况下，引导词前面的名词即为从句的先行词。
★关系词：引导定语从句的词叫关系词。
也可以称作引导词。
①关系代词：who，whom，which，that，whose，as，在从句内作主语、宾语等名词性成分。
②关系副词：when，where，why在从句内作状语。
（一）. 使用who、whom、which、that的定语从句1. whoThis is the boy who plays basketball very well.This is the teacher who is teaching us English.▲who 指人, 在从句中作主语。
2. whomThis is the boy (whom) I often help.The man is our headmaster (whom) you met just now.I met the girl (whom) you often praise.▲whom 指人,在从句中作宾语, 可省略。
3. whichThis is the farm which keeps many cows.This is the farm (which ) I visit every year.▲which 指事物, 在从句中作主语或宾语,作宾语时可省略。
4. that以上三种情况均可用that。
指人或指物，可作主语和宾语，作宾语时可省略。
（二）. 使用whose的定语从句Do you know the girl whose father is mayor.I used to work in an office whose window faces north.I work in a school whose students are excellent.▲whose 指人或物的所属关系，表示“某人的”或“某物的”。
特殊的定语从句As的用法特殊的定语从句As的用法特殊的定语从句As的用法如下：1、引导限制性定语从句。
在主句中常有the same, so或such与as相呼应, as在定语从句中可作主语、宾语、主语补足语等。
as引出的定语从句带有比较意义，从句常常只写出比较部分，但as本身不可省略。
例如：He used such expressions as he could find in the texts. 他使用在课文中可以找到的那些词语。
They stayed for the night in the same room as they had once rented.他们在他们曾租用过的同一房间过夜。
注意：在the same…后也可用that引导定语从句，但含义有所不同。
that引出的从句，指的是与先行词同一的事物，而as引导的从句指的.是与先行词同类的事物。
例如： This is the same bag as I lost yesterday.这个包和我昨天丢失的包的样子是同样的。
This is the same bag that I lost yesterday.这就是我昨天丢失的那个包。
2、引导非限制性定语从句。
带主句的全部或部分内容。
常译为“正如-------”“就像------”等，定语从句可以置于主句句首、句中或句末。
as后常接expect, know, report, say, see等动词的主、被动语态。
例如：As is known to everybody, the moon travels round the earth once every month.正如大家所知道的那样，月球每月绕着地球转一圈。
He wasn’t unconscious, as could be judged from his eyes.他并未失去知觉，这从他的眼神可以看出来。
注意：as, which引导非限制性定语从句的区别：1）都可以代整个主句，相当于and this或and that.2）as可放在句首，而which不能。
浅谈but和than引导的定语从句在初级英语阶段，学生知道引导定语从句的关系代词有who (whom, whose),that和which等。
到了中高级阶段，这些显然是不够的。
还应了解but和than也可以用作关系代词的情况，以拓宽知识面，提高语言识别和理解能力。
1.but在英语句子中可用作关系代词，引导定语从句。
但应特别注意but虽然形式上是肯定的，意义上却是否定的。
这正是but和其它关系代词(who, that , which等)不同之处。
例如：(1)There is no rule in English but has exceptions.英语中没有无例外的规则。
(2)There is no old habit but may be cured by a strong will-power.通过强大的意志力没有改不了的旧习惯。
(3)With the introduction of the electronic computer, there is no complicated problem but can be solved in a few hours.由于引进了电子计算机，没有在几小时内解决不了的复杂问题。
(4)There is no human being but errs.没有不犯错误的人。
如果将以上例句(1)、(2)和(3)中的关系代词but改成that，或者将例句(4)中的关系代词but 改成that或who,那么定语从句必须改成否定从句才能与原句意义相一致。
例如：(5)There is no rule in English that has no exceptions/ that has not any exceptions.(6)There is no old habit that may not be cured by a strong will-power.(7)With the introduction of the electronic computer, there is no complicated problem that cannot be solved in a few hours.(8)There is no human being that(who)makes no mistakes/that(who)does not makes any mistakes. 【注意】如果(5)、(6)、(7)、(8)中没有明确的否定词no或not any等，其意义则完全相反。
定语从句中that,as, but ,than定语从句中as, that1、as 作为关系代词，用于限制性从句中，只能用在such，same，as或so的后面；用于非限制性定语从句中，则代替整个主句位置，如：Such a tree as I planted is called fir. As many boys as come will be admitted.He did it in so special a way as excited me.As is reported, a foreign delegation will arrivehere on Sunday.【注意】 1、在such as后有时跟一些名词作为例子，而不是从句。
2、在such后有时也可用who，which，that，what引导从句，如：He is such a man that I never wantto know.3、the same as与the same that的区别：The same as表示表示与从句中的内容“相似”，the same that表示与从句中的内容是“同一”。
注意：当先行词由the same修饰时，偶尔也用that引导定语从句，但是和由as 所引导的定语从句意思不同She wore the same dress that she wore at Mary's wedding. 她穿着她在Mary婚礼上穿过的一条裙子。
She wore the same dress as her young sister wore.她穿着和她妹妹所穿的一样的裙子。
2、but 表“不”的意思，不太常用，表示“that/who/whom…not”的意思，引导限制性从句，常用在否定句中，如：There is no one but knows him. (= Everyone knows him.)3、than 作为关系代词，只和形容词、副词的比较级一起用，如：He has more books than is necessary. I stayed longer than is demanded by my boss.(【难点分析】（一）限制性定语从句只能用that 的几种情况1．当先行词是anything, everything, nothing, something , few, all, none, little, some 等代词时，或者是由every, any, all, some, no, little, few, much 等修饰时(1) Have you taken down everything that Mr. Li has said?(2) There seems to be nothing that seems impossible for him in the world.(3) All that can be done has been done.(4) There is little that I can do for you.【注意】 Any man that/who has a sense of duty won't do such a thing. That is all that I have to say.2. 当先行词被序数词修饰(1) The first place that they visited in London was the Big Ben.3. 当先行词被形容词最高级修饰时(1) This is the best film that I have seen.4. 当形容词被the very, the only修饰时(1) This is the very dictionary that I want to buy,(2) After the fire in his house, the old car is the only thing that he owned.当先行词指人时，偶尔也可以用who:(3) Wang Hua is the only person in our school who will attend the meeting/5. 当先行词前面有who, which等疑问代词时(1) Who is the man that is standing there?(2) Which is the T-shirt that fits me most?6. 当先行词既有人，也有动物或者物体时(1) Can you remember the scientist and his theory that we have learned?7、that常和以-ible和-able结尾的词一起用，如：There is no plan that is impossible. There is no road that is impassable.不能用that的几种情况：1、关系代词与它的动词若被隔开时，不能用that，而要用who，which等：I am ready to help any man who, in case he is in trouble, needs my help.2、在介词后面不可用that来代替物，可把介词放在从句的句末用that，也可省略：Here is the novel about which I told you. Here is the novel (that) I told you about.关系代词as和which 引导的定语从句as和which引导非限制性定语从句，有相同之处也有不同之处。
特殊关系代词的用法：关系词通常是用来引导定语从句的,但as,than和but这三个词却与which, who, that, where, when和why等典型的关系词不同。
三者本身具有常见的字面意义,前面有名词作先行词,但后面的定语从句却不像典型的定语从句。
这些既像连接词又像关系词的词,我们就姑且称它们为准关系词。
一、as作为准关系代词出现在the same ... as, such ... as, 和as ... as等结构中。
这时, as前面通常要有名词;as后面的从句意义上不像是通常的定语从句;as需要在从句中充当一定的句子成分。
1. the same ... as1) as在从句中作主语She is the same person as came here last Sunday. 她就是上星期天来这儿的那个人。
2) as在从句中作宾语This is the same watch as I lost while I was doing the sightseeing in Shanghai three months ago. 这块表跟我三个月前在上海观光时丢失的那块一样。
3) as在从句中作be动词的表语China is not the same country as it used to be. 中国已今非昔比。
4) as在从句中作行为方式状语You should learn to do housework in the same way as your mother does it. 你应该学会像你母亲那样做家务活。
2. such ... as1) as在从句中作主语Let children read such books as tend to make them better and brighter. 让孩子看那些容易让他们变得更好更聪明的书。
2) as在从句中作宾语This is not such an interesting book as you just talked about. 这不是你们刚才谈到的那种有趣的书。
As、but和than引导定语从句As、but和than通常都是以介词、连词等身份被大家所熟知，而它们居然可以摇身一变成为关系代词，在定语从句中做主语和宾语。
1. As As最基本的用法是做连词“与……一样”表示同级的比较，介词“作为”。
下面是它特殊的用法：例句：1. He does not possess such qualifications as are necessary to be an actor. 他并不具备一名演员应有的资格。
2. She bought the same skirt as I had bought last week so I need to talk to her about it so we don't wear them the same at the same time. 她买的那条裙子和我上周买的一模一样，我要和她商量一下，免得“撞衫”。
上面两个例句中定语从句都使用了as作为关系代词，我们可以发现例句1中含有“such…as…”，例句2中含有“the same…as…”，由此可见，我们到底要不要使用as来做关系代词，可以根据句中是否出现了与as搭配的短语进行判断。
3. The murderer who had killed several people on the campus was finally arrested by the police, as was expected. 如我们所愿，那个在校园杀害数人的杀人犯终于被警方逮捕。
该句中并未出现与as搭配的短语，此处的用法是as做关系代词指代前面整个句子，在定语从句中做主语。
2. But大家熟悉的but基本都是以转折连词的身份出现，但是它还兼职在做定语从句中的关系代词。
例句：There is no man but errs. 没有任何人能够不犯错误。
句中的先行词是man，but自然就充当了关系代词的角色，但我们从句意中可以发现，but带有一层否定的意思，相当于“who not”。
but和than引导定语从句的用法but和than引导定语从句的用法汇总一、but可被看作关系代词，引导定语从句，在句中作主语，在意义上相当于whonot或thatnot，即用在否定词或具有否定意义的词后，构成双重否定。
如：①Thereisnomotherbutlovesherchildren．没有不自己孩子的母亲。
②Therewasnoonepresentbutknewthestoryalready．在场的人都知道这个故事。
二、than作关系代词时，一般用在形式为比较级的复合句中，其结构为形容词比较级（more）．．．than＋从句，than在从句中作主语，相当于that，代表它前面的.先行词。
（这时，它兼有连词和代词的性质，也有学者认为这种用法的than是连词，后面省略了主语what。
）如：①Theindoorswimmingpoolseemstobeagreatdealmoreluxioustha nisnecessary．室内游泳池过于豪华。
②Hegotmoremoneythanwaswanted．他得到了更多的钱。
运用上述知识翻译下列句子：1．任何人都喜欢被赞扬。
（but）2．我们大家都想去桂林。
（but）3．没有人不同情那些嗷嗷待哺的孩子。
（but）4．我们班上没有一个人不想帮你。
（but）5．无论多么荒凉，多么难以行走的地方，人们也能把它变成战畅＃╞ut）6．这件事情比的要复杂。
（than）7．这个广告的效果比预想的要好。
（than）8．这个问题看起来容易，实际上很难。
（than）9．他爸妈给他的零用钱总是超过他的需要。
（than）10．因为这项工程非常困难，所以需要投入更多的劳动力。
（than）答案：1．Thereisnoonebutlikestobepraised．2．ThereisnooneofusbutwishestovisitGuilin．3．Thereisnomanbutfeelspityforthosestarvingchildren．4．Thereisnooneinourclassbutwantstohelpyou．5．Thereisnocountrysowildanddifficultbutwillbemadeatheat reofwar．6．Thismatterismorecomplexthanisimagined．7．Thisadvertisementismoreaffectivethanisexpected．8．Theproblemmaybemoredifficultinnaturethanwouldappe ar．9．Hegotmorepocketmoneyfromhisparentsthanwasdemand ed．10．Theprojectrequiresmorelaborthanhasbeenputinbecause itisextremelydifficult．【but和than引导定语从句的用法汇总】。
