That引导的从句

2024-08-27

That引导的从句(精选七篇)

That引导的从句 篇1

关键词:that从句,用法,比较

一、that引导名词性从句 (Noun Clauses)

1. that引导主语从句 (Subject Clauses)

(1) That引导主语从句, 在句中充当主语的成分。

(1) That prices will go up is certain.物价要上涨是肯定的。

(2) That she was able to come made us very happy.她能来使我们很高兴。

(2) 当that引导的主语从句太长时, 常用it作形式主语而把that从句放在后面, 口语中that有时可以省略。用it作形式主语的that从句主要有下面几类:

a.It+be+形容词+that从句

It is natural that they should have different views.

他们有不同的观点是很自然的。

b.It+be+名词+that从句

It’s a pity (that) he can't swim.真遗憾他不会游泳。

c.It+动词 (+宾语或状语) +that从句

It so happens that I know the artist.我碰巧认识那位艺术家。

d.It+动词的被动语态+that从句

It is said that the book has been translated into several foreign languages.据说, 那本书已被译成了几种外语。

2. that引导宾语从句 (Object Clauses)

有大量的动词可以跟that引导的从句作宾语, 如agree, believe, claim, decide, expect, find, guess, hear, insist, know, learn, realize, say, see, suggest, think, tell, wish等, 口语中that常可省略, 但在下面情况中不能省略:第一, 在suggest, order等表示命令、请求、建议等动词后的宾语从句中, 不能省。第二, 由and或but所连接的两个宾语从句时, 第一个从句中的that可以省, 第二个从句中的that不能省。第三, that引导的宾语从句, 如果从句中还有其他状语从句, 引导宾语从句的that不能省略。

(1) I know she was against us.我知道她反对我们。 (2) I suggest that we should leave early for the airport.我建议我们早点动身去机场。 (3) She said (that) she would come and that she would bring her daughter.她说她要来, 并把女儿带来。 (4) Tell him that if he is at home, I'll call to see him.告诉他如果他在家, 我就去拜访他。

3. that引导表语从句 (Predicative Clauses)

that引导的表语从句, 放在联系动词后, 在句中充当表语的成分, that有时可省略, 例如:

(1) The fact is (that) she never liked him.事实是她从来未喜欢过他。

(2) The reason why so many people were killed in the big fire is that the building was built without any fire escapes.这么多的人在大火中丧生, 其原因是那座楼房里没有太平门。

4.that引导同位语从句 (Appositive Clauses)

有很多名词后可以跟that引导的从句, 说明其内容, 可称为同位语从句。这种名词有fact, idea, belief, conclusion, evidence, information, message, news, opinion, order, proof, proposal, report, rumour, rule, suggestion, truth, view等, 例如:

(1) We are surprised at the fact that the children did it on their own.

听说孩子们独立做那件事, 我们感到吃惊。

(2) He heard the news that his team had won.他听到消息说他的球队获胜了。

二、that引导定语从句 (Attributive Clauses)

1. that引导定语从句时, 通常仅引导限制性定语从句, 前面不用逗号。

在从句中作主语时可指人或物, 相当于who或which;在从句中作宾语时常可省略, 相当于whom或which;在从句中作表语, 表示性质, 可以省略。例如:

(1) The letter that/which came this morning is from myteacher of English.

今天上午递到的信是我英语老师寄来的。

(2) Is he the man that/who sells stationary?

他就是卖文具的那个人吗?

(3) That’s the man (that/whom) I was talking about.

那正是我所谈到的人。

(4) He’s not the man (that) he was.他现在不是像过去那样的人了。

2. 用that不用which的七种情况:

(1) 先行词前有形容词最高级或序数词修饰时, 用that不用which引导。如:

This is the best article that has ever been written on the subject.迄今为止在有关这个题目的文章中, 这一篇是最好的。

(2) 先行词为little, much, all, none, few, (the) one, something, everything, nothing, anything等不定代词时, 用that引导。如:

This reference book contains much (little) that is useful.这本参考书中有很多 (没有多少) 有用的东西。

(3) 先行词前有any, all, no, few, every, some, little, much, (the) very, (the) only, (the) last等词修饰时, 用that引导。如:

He is the only one among us that knows Spanish.他是我们中间唯一懂西班牙语的人。

(4) 先行词既有指人的名词又有指物的名词时, 用that引导。如:

Do you still remember the things and persons that we talked about at the meeting last month?你还记得上月我们在会上谈到的人和事吗?

(5) 先行词为which时, 为了避免重复, 用that引导。如:

Which is the book that you bought yesterday?哪一本书是你昨天买的?

(6) 先行词在从句中作表语时, 常用that引导。如:

Shanghai is no longer the city that it used to be in the 1930’s.

上海现在不再像它过去在20世纪30年代那样的城市了。

(7) 当主句是There be……句型时, 用that引导。There are two tickets for the film that are for you two.这里有两张电影票是给你们两个人的。

3. 定语从句与同位语从句的区别:

从上面的例子可以看出, 在同位语从句和定语从句中, that都可放在名词后面。怎样区分一个名词后的从句是定语从句还同位语是从句?我们先来看两个句子:

a.I had no idea that you were here.

b.The idea (that) she gave us is very good.

在句子a中, 从句that you were here补充说明名词idea的内容, that无实义, 也不作句子成分;而在句子b中, 从句that he gave us修饰限制先行词idea, that在从句中作gave的直接宾语, 代替先行词idea。句a中的that不能省去, 而句b中的that可省掉, 也可换为which。

三、that引导状语从句 (Adverbial Clauses)

1. that引导目的状语从句 (Adverbial Clauses of Purpose)

目的状语从句主要由that, so that, in order that, for fear that等引导:

Speak louder (so) that everybody may hear what you say.

讲得响一些, 以便每个人都能听清楚你的话。

2. that引导结果状语从句 (Adverbial Clauses of Result) 结果状语从句主要由so (such) ...that, (so) that等引导:

那是一个非常寒冷的夜晚, 我们都待在家里。

It was such a cold night that we stayed at home.

3. that引导条件状语从句 (Adverbial Clauses of Condition)

条件状语从句主要由provided that, on condition that, supposing that等引导:

You may borrow the book, on condition that you don't lend it to anyone else.

你可以借这本书, 条件是别把它借给别人。

4. that引导原因状语从句 (Adverbial Clauses of Reason)

原因状语从句主要由nowthat等引导以及一些“be+形容词”结构后的从句:

Now that they have taken matters into their hands, the pace of events has quickened.

他们既已着手自己来处理问题, 事态的进展也就加快了。

They are very disappointed that she can’t stay longer.

他们很失望她不能再待久些。

四、that用在强调句型中

强调句型的结构为:It is/was+强调部分+that从句。如果被强调的是人, 可用who代替that。如果被强调的是时间状语、地点状语或原因状语, 则一般都用that。例如:

(1) It was on Monday night that all this happened.这一切都是在星期一夜里发生的。

(2) It is in the classroom that we usually have our classes.我们通常是在教室里上课。

(3) Why is it that you object to the idea?你为什么反对这个意见?

(4) It was Peter who/that lent us the money.

是彼得借钱给我们的。

参考文献

[1]张道真.实用英语语法 (最新版) [M].北京:外语教学与研究出版社, 2002.

[2]陆谷孙.英汉大词典[K].上海:上海译文出版社, 1993.

[3]牛津现代高级英汉双解词典[K].北京:商务印书馆, 牛津大学出版社, 1988.

that引导的是一个什么从句 篇2

2、由and或but所连接的两个引导的宾语从句时,第一个从句中的.that可以省,第二个从句中的that不能省。

辨析:

that, which

that和which都可引导定语从句,但以下情况引导定语从句的关系代词只能用that不能用which:

1.当先行词是all, everything, nothing, anything, little等不定代词,或被first, last, only, few, much, some, any, no等词修饰时,应该用关系代词that,不用which。

2.当先行词为形容词最高级所修饰时,关系代词用that不用which。

that引导的名词性从句 篇3

[that引导的主语从句]

1. that引导主语从句时,that在从句中不充当成分,但不可以省略。如:That she gets on well with her classmates is known to us all.

That he was chosen made us very happy.

例1 It isn’t expected he said caused so much discussion at the meeting.

A. that B. what that

C. what D. that what

解析 D。D项中that引导主语从句,what he said又在主语从句中作主语,what作said的宾语。that引导主语从句时一般不省略,所以排除C。

2. 为了句子结构匀称,有时it被用作主语,that引导的主语从句则被置于主句的后面。如:It is known to us all that she gets on well with her classmates.

It is hoped that one day they will have enough animals to set them free.

类似结构常见的有:

(1)It is clear/certain/likely/right/wrong/surprising/true that ...

(2) It is a pity/shame/good idea/no wonder that ...

(3) It is said/told/known/reported/suggested/hoped/

believed/thought that ...

(4)It seems/happens that ...

例2 sometimes keeps her awake at night

Tom is getting more and more quiet at home.

A. That;which B. It;that

C. Whether;what D. What;that

解析 B。it作形式主语,that引导从句作真正的主语,如选D项则句子缺谓语。

[that 引导的宾语从句]

1. that引导宾语从句时,that在从句中不充当成分,一般可以省略,但在以下几种情况下不能省略:

(1)当that从句和主句谓语动词之间有插入语或者从句主语之间有插入语时, that不可省略。如:He announced, believe it or not, that he would never forgive me.

He judged that, because she was a woman, she did not understand wine.

The secretary said, pleasantly and sternly, that our thinking was too slow to suit the needs of modern society.

We learned at school that everything we see and touch is matter.

(2)当that从句与另一名词性从句并列作宾语时,即当动词后跟有复合宾语结构时,it作形式宾语,that从句作真正宾语,引导词that不可省略。如:We consider it an honor that we can have the pleasure of serving you.

Everyone could see what was happening and that she was really worried.

(3)当that作介词宾语时,即当that从句用作in,but,except等介词的宾语时,that不可省略。如:The book is unsatisfactory in that it lacks a good index.

The reason lies in that he works harder than anyone else does.

(4)在动词add,agree,announce,argue,assume,complain,decide,hold,indicate,insist,intend,learn,promise, point out,remark,suggest,state等之后的宾语从句的引导词that需保留。如:I complained that I had been unfairly treated.

(5)及物动词后跟有两个或两个以上的宾语从句时,最后一个从句的that不可省略。如:I realize that I’m in charge and that everybody accepts my leadership.

(6)当that从句的状语紧跟在that之后时,that不可省略。如:They told us that once again the situation was serious.试比较:They told us once again that the situation was serious.

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(7)当作宾语的that从句移到句首时,that不可省略。如:That she ever said such a thing I simply don’t believe.

(8)在简短答语中当that从句单独出现时,that不可省略。如:What did he say at the meeting?或That the situation was serious.

(9)当that从句中含有一个状语从句,且这个状语从句在主句之前时,that不可省略。如:Mr. Parker understands that unless he pays back the debt, he’ll have to appear in court.

2.为了句子结构匀称,有时it被用作形式宾语,that引导的宾语从句被放在主句的后面。如:They made it a rule that they had a party at the end of every month.

I think it necessary that you master a foreign language.

例3 Keep in mind you want others to respect you, you must respect others first.

A.that when B.that if

C.if when D.when if

解析 B。that引导一个宾语从句,宾语从句中又有一个if引导的条件状语从句。

[that引导的表语从句]

that引导表语从句时,that在从句中不充当成分,但不可以省略。如:The reason why he was absent was that he was badly ill.

The problem with the project is that we are short of money.

例4 seems strange to us is the troublesome boy is getting along well with all his teachers.

A.It;that B.That;how

C.It;how D.What;that

解析 D。第一空是主语从句,从句缺主语用what,第二空是表语从句,从句的成分完整用that。

[that引导的同位语从句]

1. that引导同位语从句时,that在从句中不充当成分,但不可以省略。如:I just got word that he is not coming this evening.

There is no doubt that you are in danger.

例5 Dad is used to smoking and drinking. There’s no chance I’m able to talk him into .

A.whether;giving it up

B.of whether;giving them up

C.that;getting rid of them

D.which;stopping it

解析 C。由smoking and drinking可知,A、D选项中的代词错误。B选项翻译不通。此处that引导的是一个同位语从句。

2. 为了句子结构匀称,有时同位语从句和它前面的名词会被谓语动词隔开。如:The whole truth came out at last that he was a wolf in sheep’s clothing.

Word came that another new research center would soon be set up.

例6 Along with the letter was her promise

she would join us in the work.

A.which B.what

C.that D.whether

解析 C。promise后是一个同位语从句,且从句不缺成分,故用that。D选项翻译不正确。

3. that引导同位语从句和that引导定语从句的区别。

(1)that引导同位语从句时,只起连接作用,在从句中不担当任何成分;that引导的同位语从句和它前面的名词之间是同位语关系,是具体说明前面名词的内容或含义的(同位语从句前面的名词常见的有:news,fact,thought,suggestion,truth,plan,belief,doubt,information,possibility,word,idea,order,hope,result)等。

(2)that引导定语从句时,that在从句中作主语或宾语;that引导的定语从句和它前面的先行词之间是修饰与被修饰,限制与被限制的关系。如:We all heard the news that our team won the game. (同位语从句)

We all heard the news that was broadcast on the radio. (定语从句)

That引导的从句 篇4

1. Have you found the answer to the question_______I asked you this morning? (2010.成都)

A.when B.what C.that

2. I was surprised to hear the news_______the big earthquake happened in my hometown.

A.that B.where C.what

3.Do you know the truth_______Mark’s mother has been dead for 10 years?

A.why B.that C.when

4.Can you tell me something about the man_______you met in the park yesterday?

A.that B.whose C.in which

分析:题1选C, that引导的定语从句, that在句中作宾语, 可以省略。

题2选A, that引导的同位语从句对news作进一步解释和说明。

题3选B, that引导的同位语从句对truth作进一步解释和说明。

题4选A, that前面的词为人物名词并且that在句中作宾语。

从上面的几个例子中不难看出判断该句子是同位语从句还是定语从句, 可以从以下几个方面来断定。

that在句中的成分:如果that在句中担当了主语或宾语, 那么就可以断定它是定语从句, 如果that在句中不担当任何成分, 只是起连接作用, 那么该句是同位语从句。

根据句意来判断:题1“你能找到我昨天早上问你的问题的答案吗?”, 很明显question在句中担任asked的宾语。题2“听到在我家乡发生了大地震的消息, 我很惊讶。这个句中的that后面那部分是对news进行补充和说明的, 说明这个消息的内容是在我的家乡发生了大地震。题3“你只知道Mark的妈妈已经死10年这个事实吗?”That后面的句子是对truth进行补充和解释的, 说明这个事实是:Mark的妈妈已经死10年了。

语法知识:如果that前面的先行词为人物名词时则可以判断为定语从句。题4中可以看出词句为定语从句, that在句中作宾语。当然that引导的同位语从句前面也会有人物词, 但通常是人物代词。如:The thought came to him that maybe the thief had left the house.

牢记常见的由that引导的几种特殊的定语从句:

1.当先行词是下列不定代词或被much, little, none, all, few, every, everything, any, anything, no, nothing等修饰时, 通常用that:

All that I want to do is to go to the movies.我想做的只有看电影

The boy did everything that he can to help his poor mother.那男孩做了一切他能做的来帮助他可怜的妈妈。

2.当先行词有the very, the only, the same等修饰时, 通常用that:

Tom is the only boy that is listening carefully in his class.在Tom的班上, 他是唯一一个认真听讲的男孩。

3. 当先行词有形容词最高级或序数词first, last, next等修饰时, 通常用that:

Our teacher Sam is the tallest man that we have ever seen in our town.在我们镇里, 我们的老师Sam是我们见过的个子最高的男人。

Peter is always the last one that hand out the homework to his teacher in his class.在Peter的班上, 他总是最后一个把作业交给老师的学生。

4. 当关系代词在定语从句中用作表语时, 通常用that:

She is not the girl that she used to be.

5.. 当先行词是一个既指人又指物的并列词组时, 通常用that:

Last week, we always talked about the people and the food that interested us.

6. 当要避免重复时:

Who is the man that are talking with your parents?

无论题型如何变化, 规律是不会发生改变的, 只有熟悉他们之间的区别和掌握解决他们的知识, 才能不犯错, 学习才会觉得轻松。

摘要:如果that或whether等引导的从句, 跟在一个名词后, 对其进行解释或说明, 则为同位语从句。定语从句是指由关系代词或关系副词引导的从句, 其作用是作定语修饰主句的某个名词性成分, 相当于形容词, 所以又称为形容词性从句, 一般紧跟在它所修饰的先行词后面。

关键词:同位语,定语,that

参考文献

[1]张振邦《新编英语语法》, 上海译文出版社, 1981年

That从句的类型及语义分析 篇5

That引导的三大从句

That可以引导三大类从句:定语从句、名词性从句和状语从句。具体如下表所示。

需要说明的是,当that引导结果状语从句时,需要与so或such等搭配使用,即构成“so … that …”或“such … that …”结构。

下面笔者列举一些例句,它们都有一个共同点,即都在fact后面接一个that从句。尽管如此,但这些that从句的类型不尽相同,由此导致各自的逻辑语义关系也不同。大家可以根据上述表格给以下的that从句归类。

1. The fact that you pointed out interested me.

2. The fact that he wrote a letter to her suggests that he knew her.

3. I knew for a fact that they were far too nervous to be bored.

4. It is an established fact that factory workers work better and harder and have fewer accidents when their machines are painted orange rather than black or grey.

5. That any civilized human being in this nineteenth century should not be aware that the earth traveled round the sun appeared to me to be such an extraordinary fact that I could hardly realize it.

6. More and more people have realized such a fact that heart diseases are related to the way people live.

例句解析

下面笔者来对上述例句的that从句一一进行解析,判断它们分别属于哪种从句类型。

1. The fact that you pointed out interested me.

解析:这里的that从句为定语从句。引导词that充当从句中pointed out的宾语,这个定语从句相当于这样一个简单句:“You pointed out the fact.”

参考译文:你指出的这个事实我很感兴趣。

2. The fact that he wrote a letter to her suggests that he knew her.

解析:这个句子有两个that从句。前面的that从句that he wrote a letter to her是同位语从句,后面的that从句that he knew her是宾语从句,充当动词suggest的宾语。两个从句中的连词that都没有充当从句的句子成分。实际上,名词性从句中的连词that都不充当从句的句子成分。

参考译文:他给她写了一封信,这个事实表明他认识她。

3. I knew for a fact that they were far too nervous to be bored.

解析:这里的that从句是宾语从句。考生要判断这个that从句的类型,首先应知道这里的for a fact是一个固定搭配,意为“确实地, 肯定地”,修饰动词knew。因此,这里的that从句不是fact的同位语,而是充当knew的宾语,故为宾语从句。

参考译文:我当时确实知道他们过于紧张而未觉得无聊。

4. It is an established fact that factory workers work better and harder and have fewer accidents when their machines are painted orange rather than black or grey.

解析:这里的that从句是主语从句,句中的it是形式主语,用于指代真正的主语that从句。大家不要误认为that从句是补充说明名词fact的同位语从句,因为这样就会导致it指代不明。

参考译文:如果把工厂里的机器漆成橘黄色而不是黑色或灰色,工人就会干得更勤奋、更出色,事故也会更少——这是一个既定事实。

5. That any civilized human being in this nineteenth century should not be aware that the earth traveled round the sun appeared to me to be such an extraordinary fact that I could hardly realize it.

解析:这里有三个that从句,按先后依次标明为从句①、②和③,具体断句如下:

① that any civilized human being in this nineteenth century should not be aware that the earth traveled round the sun

② that the earth traveled round the sun

③ that I could hardly realize it

对于这个句子,我们需要仔细分辨从句的类型,才能明白整句话的逻辑语义修饰关系。具体分析如下:

从句①为主语从句。整个句子的主句谓语动词为appeared,appeared前面为主语部分,即是that引导的主语从句。

从句②是包含在从句①中的宾语从句,充当从句①的谓语should not be aware的宾语,也就是说,从句①嵌套了一个宾语从句that the earth traveled round the sun。换句话说,should not be aware不是整个主句的谓语,而是that引导的主语从句的谓语,这点大家很容易混淆。

从句③是由“such … that …”引导的结果状语从句,它出现在主句谓语appeared to me to be后面,其中的it指代fact。

由此可见,这里that从句的类型有主语从句,有在该主语从句中嵌套的一个宾语从句,还有由“such …that …”引导的结果状语从句。

参考译文:在现今19世纪,一个有教养的人竟然不知道地球绕着太阳转的事实,这样离奇的事情在我看来几乎无法理解。

6. More and more people have realized such a fact that heart diseases are related to the way people live.

解析:上面的句5出现了“such … that …”结构,本句也出现了同样的结构,但是这两个that从句的类型不同。通过语义分析我们发现,这里的that从句并不表示结果,也就是说,这里such与that从句并没有语义上的因果关系。这里的that从句是同位语从句,用于补充说明前面的名词fact。

参考译文:越来越多的人已经意识到这样一个事实,即心脏病与人们的生活方式密切相关。

以上我们列举了that引导定语从句、主语从句、宾语从句、同位语从句和结果状语从句的例句,下面笔者再列举一个that引导表语从句的例子。

7. The only thing that is truly impossible is that you know with absolute certainty what is impossible.

解析:本句中有两个that引导的从句。第一个是that is truly impossible,是一个定语从句,第二个是that you know with absolute certainty what is impossible,位于系动词be后面,是一个表语从句。

参考译文:唯一真正不可能的事情就是你绝对确信某事不可能。

本句也可以逆序译成:“你绝对确信某事不可能,这是唯一不可能的事。”通俗地说,就是“一切皆有可能”,这个意思也可以用阿迪达斯的广告语“impossible is nothing”表达。

That在名词性从句中的用法归纳 篇6

一、主语从句

(1) that在主语从句中只是引导词的作用, 不作句子成分, 不能省略。

例如:That you are coming to London is the best news I have heard this long time.

(2) 如果主语从句太长, 可以用it作形式主语代替that主语从句, 以达到平衡句子的作用。此时的that也不能省略。

例如:

It’s unlikely that he’ll come.

It’s a fact that they won the game.It seems that he has known the truth.

It’s reported that there will be a storm tomorrow.

二、表语从句

That在引导表语从句时没有词义, 不含疑问意义。在口语中, 有时可以省略。

例如:

The trouble is (that) they have lost their way.

Her wish is that she could lose weight soon.

三、同位语从句

That在引导同位语从句时无词义, 不作句子成分。不含疑问意义。

例如:

The news that he went abroad is not true.

Word came that Professor Lee would come to our school.

The fact that women can word as well as men is clear.

四、宾语从句

That在引导宾语从句时, 只起引导词的作用, 在句中不做语法成分。在口语中和非正式文体中可以省略。

例如:

I’ll prove to the world that he was right.

She always complains that he is down on her.

这类从句一般不能作介词宾语, 但是在in, but, except, besides等少数介词后可以使用, 形成固定搭配。

例如:

I’ll go with you, except that I have to word that day.

Men differ from brutes in that they can think and speak.

That引导的宾语从句不能省略的情况:

1. 如果宾语从句过长, 可以用it充当形式宾语代替宾语从句。这种结构中That不能省略。

I think it wrong that he didn't tell the truth.

We took it for granted that he will take over his father’s job.

I hate it when people talk with their mouths full.

2. 几个宾语从句并列时, 从第二个开始

的宾语从句中的That不能省略, 或者句子结构很复杂有多个状语时, 或者谓语动词与That之间有插入语时, That不能省略。

例如:

She promised ( (that) she would come and see him sometimes, and that she would never forget him.

That引导的从句 篇7

关键词:评价性that小句,评价理论,学术语篇,语料库

学术语篇在元话语研究中的突出与崛起, 一方面是因为这一类语篇是学者们掌握最新学术知识、了解他人研究成果的途径, 另一方面因为这也是他们表达和阐述自身想法、观点的场所。因此, 根据Bakhtin话语"对话性 (Dialogism) "语言哲学 (2005) , 学术语篇可以看做是作者与读者间的对话:作者企图与读者之间建立起客观的、不含个人情感的、单纯陈述信息的 (purely objective, impersonal and informational) 对话, 以增强对话/语篇的中立性 (neutrality) 和说服力 (persuasion) , 和读者间实现结盟;然而, 这种对话/语篇并不可能是绝对客观、不包含个人感情的, 它必然通过各种方式将作者身份隐藏在语篇中, 潜移默化地影响读者的认识英语判断。因此评价学术语篇时可以从语篇的对话性方面去分析。

这一观点与Martin和Rose (2003) 的评价理论 (Appraisal Theory) 不谋而合, 他们对韩礼德三大元功能中的人际功能进行了拓展。系统功能语言学框架下的人际功能研究主要侧重在小句层面 (cause level) 以语气 (mood) 和情态 (modality) 为基础的互动 (Halliday, 1994) , 而Martin和Rose的评价理论则具体到词汇层面 (lexical level) 。这一评价过程的细化一定程度上为语料库从比较词汇、分析多词序列到解构句子、篇章提供了方法论指导。

作为评价句式重要的语法标记之一, 从属连词that有重要评价意义。它可以在语料库中标记出宾语从句、表语从句、同位语从句、主语从句等具有极大评价潜势的句式。Ken Hyland指出, 评价性that的使用能反映出语篇清晰的评价结构和具体的人际介入 (Hyland, 2000) 。本文选取上海交通大学科技英语语料库JDEST部分内容组建小型语料库作为研究对象, 使用评价理论方法, 将评价性that小句在介入框架内进行功能分类, 讨论分类的标准和评价性that小句的介入特点。

1 研究设计

1. 1 数据的提取

本文从上海交通大学JDEST学术英语中的经济学、教育学、历史学、语言学、文学理论、社会学、天文学、生物学、地理学、地质学、数学、物理学12个子库中随机各抽取8个text文本、共计96个文件组成小型语料库作为研究对象 (天文学子库最少只有8 个文本, 为确保各库具有相似代表性, 故其他各子库也均随机抽取8 个文本) 。这12 个学术子库中, 经济学、教育学、历史学、语言学、文学理论、社会学属社会学科, 天文学、生物学、地理学、地质学、数学、物理学属自然学科, 语料选择比较全面。12个子库共647, 308词, 平均每库53, 942词。相比之下, 虽个别子库之间大小仍存在明显差异, 具体统计后可使用标准化方法以保证数据的准确性和代表性。

用Word Smith 4.0软件搜索这12个学科的学术语篇子库中that的出现频率总计7636 次。在每个子库中出现的频率依次为724次, 674次, 789次, 473次, 803次, 938次, 547次, 583次, 336 次, 413 次, 728 次, 628 次;标准化频率 (每千词) 分别为12.15, 12.33, 13.67, 8.27, 13.70, 16.29, 15.03, 9.77, 7.97, 8.23, 12.58, 11.28。可以看出, that在学术语篇中被大量运用, 分布密度也总体可观。然而, 这些that并非都具有评价性;评价性的that及其引导小句去要通过赋码后进行进一步区分。

1.2 对生语料库赋码

本部分使用Treetagger 2.0软件 (赋码准确率在一般在96%~97%) 对该自建小型语料库进行词性赋码。二次统计后, Treetagger 2.0软件可识别并赋码的that共计7490个, 占原未被赋码自建库that生频率 (raw frequency) 的98.09%, 赋码偏差可以接受。

观察赋码后的自建库发现, 该小型库中that有四种赋码形式:that_IN (preposition or subordinating conjunction, 频数4547) , that_WDT (wh-determiner, 频数1799) , that_DT (determiner, 频数1108) , that_NN (Noun, singular or mass, 频数36) 。其中, 具有评价性功能的that小句主要由that_IN (从属连词that) 引导。本文将围绕检索that_IN返回的4547个检索行对评价性that小句进行检索。

1.3 初步分析

对赋码后自建库中that_IN左边第1 至5 个词位进行排序 (如下图例) 和统计。L1列、L3列、L5列分别将that_IN左边第1词、第2词、第3词的词性赋码根据出现频率由高到低列出;L2列、L4 列则将that_IN左边第1 词、第2 词根据出现频率由高到低列出。分析that_IN可构成以下语法形式:

1) 由L1 列可看出, 评价性that从句前_N* (名词) , _VV* (动词) , _JJ (形容词) 出现频率较高, 可构成具有评价性功能的同位语从句、宾语从句、主语从句;

2) L1列还出现了_VB* (Be动词) , 可构成评价性表语从句;

3) L1 列中还出现其他赋码如_RB* (副词) , _CD (基数词) , _RP (小品词) , _DT (限定词) 等都可作为以上列出三种从句中的附加修饰成分, 归入上述从句一并分析;

4) 以上四种评价性that从句存在的合理性可从L3列、L5列的赋码成分得到验证。

1.4 分析框架——评价理论的介入系统

Martin和Rose (2003) 、White (2005) 的评价理论有态度、介入、级差三个子系统:态度解释了作者与读者间的情感态度是怎样的, 介入点出了作者是如何与读者产生互动的, 级差则为这种关系和互动分出等级和层次。由于学术语篇以客观性为特点, 因此直接表达个人情感的评价性that小句较少, 本文暂不做讨论;而级差需要融合在介入框架下进行。因此本文将集中讨论介入系统性评价性that小句的功能分类和特点。

"介入"指语言学意义上"态度"介入, 即人们使用语言表达态度时, 要么单刀直入、直陈所思, 要么借他人观点、思想、立场间接发出自己声音。根据Martin的理论, 前者是"单声/自言" (monogloss) , 后者是"多声/借言" (heterogloss) 。多声/借言还可以根据是否允许其他可能性再细分为扩展 (expansion) 和收缩 (contraction) 。具体分类如下图:

在这里, 单声/自言结构形式较为简单, 不需要用到评价性that从句。下文将评价性that从句放在多声/借言框架内分析。

2 评价理论介入系统对评价性that从句功能判断的梳理归类

2.1 "S+V+that-clause"评价形式

关于该S+V+that-clause评价形式, 语法上属宾语从句, 其动词被称作转述动词。顾名思义, 这种形式的学术语篇作-读者对话中, 作者引入了第三者, 并利用其观点或多或少、或正面或反面地支持自己的立场。在本文自建学术语篇语料库中, 宾语从句在评价性that从句中所占比重最大。我们将在生语料库中从属连词that (that_IN) 左边第一个词位置出现频率5次以上的评价性转述动词按评价介入系统功能分类, 得到下表:

除"否认"一项外, 其余项在分类是需要区分转述动词的主语来源。"主语来自学术语篇对话内"是指该转述动词的主语是作者, 或是语篇内本身的内容、数据等;而"主语来自学术语篇对话外"指的则是该转述内容是来自作者、读者之外第三方, 是作为对比和参考引入语篇的。如下列所示:

例1:We agreed that ... (生物学子库)

例2:The results presented here suggest that... (地质学子库) 3In one country, that... ()

例:MGI found经济学子库4: (1979) has that... (

例4: Alpert (1979) has rightly pointed out that ... (语言学子库)

在上例中, 例1、例2 的主语"we"、"the results"来自学术语篇内部。例1 是作者对作-读者关系外第三者观点的肯定, 表明了另一种可能的立场, 属于扩展性多声中的接纳;例2 是语篇中讨论得出的内容对作-读者关系外其他观点的印证, 接受了其他观点的可能性, 同样也是扩展中的接纳。

例3 的主语指向语篇外。作者引述外部观点同时将自己独立于所引述命题之外, 没有公开表明说话人对有关命题的看法, 属于扩展性多声中的归属。但是这只是少数, 大多数情况下作者还是会用各种方法表明自己的立场, 以便与读者达成一致, 结成盟友。如例4中加上副词rightly, 这种归属更能潜移默化地影响读者。

以上都属于扩展性多声, 即作者在引述作-读者之外第三方观点时, 表明所引观点只是一种可能立场, 没有将其他可能全部否定。下面例子则属于收缩性多声, 即在引述第三方观点时, 把容纳其他立场的大门都关上了, 使其显得真实、可靠。

例:suspect教育学子库

例6:And I don't think that... (教育学子库) 7We that... ()

例:claim数学子库56

例5、例6中, 作者分别对第三者意见持怀疑、否定态度, 这种怀疑、否定是指向作-读者关系之外的, 实际上是把读者拉倒自己一边, 跟自己结盟, 一起怀疑、反对第三者。

例7中, 作者的"we claim"是对该语篇的公然干预。他明确表明自己的介入, 以便断定并坚持后述命题的价值和正当性。与其他子系统相比, 作者的"公告"减少了可能存在的不同意见的对话空间, 有较大的语势、语力。

总结对"S+V+that-clause"评价形式的介入框架分类, 容易发现单靠分析转述动词是无法了解其具体介入特点的。首先必须明确所转述内容是来自语篇对话内还是对话外的, 其次关注副词小品词对语用功能的调节, 最后强调不同语势、语力对作-读者结盟关系质量的影响。在分析该结构评价功能时, 必须从以上几个方面综合考虑。

2.2 "S+V+Shell Noun+that-clause"与"Shell Noun+Be+thatclause"评价形式

检索发现, 本文所选学术语篇语料库中that_IN引导的"S+ Be + Shell Noun + that-clause" 同位语从句的空壳名词与that_IN引导的表语从句的空壳名词具有很大程度的一致性, 于是将两种结构的评价性that小句形式一起讨论。

同样将在生语料库中从属连词that (that_IN) 左边第一个词位置出现频率5 次以上的评价性空壳名词按评价介入系统功能分类, 得到下表:

得到的结果与4.1 中转述从句相似, 扩展性多声中需要区分空壳名词的内容来源才能够对其加以进一步区分, 而收缩性多声中则对空壳名词词义、性质有更具体的要求。对每一类均举例说明。

例8:The conclusion here is that, ... (经济学子库)

例9:Weber considers the possibility that ... (社会学子库)

例10:On the other hand, there wasno evidenceof major corruption that ... (历史学子库)

例11:The fact is, not to put too fine a point upon it, that ... (文学理论子库)

在例8中, the conclusion here表明结论来自语篇内部, 并没有回避在有关问题上可能存在的不同意见, 这样使作者易于同不同意见读者间产生协商, 属于接纳;例9 中的possibility来自语篇外, 整句话没有作者本人参与, 仅仅是展示了第三方观点, 作者与第三方之间保持了距离。因此关于后半句possibility的具体内容完全靠读者自己判断, 使语篇显得客观公正, 属于归属;例10中是对某些认为major corruption存在的潜在读者意见的否定, 关闭了任何其他立场的可能性, 属于否认;最后例11中the fact is是对语篇的直接介入, 且断句显示了力度, 有力镇压了可能出现的不同意见和抵触情绪。

本部分"S+V+Shell Noun+that-clause"与"Shell Noun+Be+that-clause"评价形式的介入功能分类, 同样需要综合多方考虑。首先是关于空壳名词的判断。由于空壳名词具有抽象性, 在分析是需要厘清空壳名词的所指、词义、功能等;其次仍然是小品词的使用, 不仅可以改变句式所属的介入子系统, 也可以给句式带来微妙变化;最后, 同样的空壳名词, 不同的使用方法、断句停顿也会到来介入功能的变化, 在评价分类过程中需要注意。

2.3 "It+<MD>+V+<ADV>+ADJ+that-clause"评价形式

将在生语料库中从属连词that (that_IN) 左边第一个词位置出现频率5次以上的评价性形容词按评价介入系统功能分类, 得到下表:

这一形式与前两部分略有不同。形式中, 作者身份隐藏, 使用虚位主语it代主语位置, 力求学术语篇客观性。因此, 没有作者身份体现, 也就不可能有接纳功能;力求高度客观性, 带有强势作者主观介入的公告也没有搜索到。另外, 在对该形式的分类时, 不能再依靠动词、名词或者是形容词的来源, 而是要对词进行比较分级。

例12:While itmaybeobviousthat ..., it isless obviousthat ... (物理学子库)

例12前半句中, 尽管it的虚位主语结构已经使作者与外部观点保持了一段距离, may的使用又进一步拉远这段距离, 属于归属;后半句中, 副词比较级less的使用将原句从归属类拉到了否定类, 否定了that从句中的外部立场, 试图获得读者认可, 与读者结盟。

本形式的介入系统分类较为简单。由于虚位主语隐藏了作者身份, 接纳和公告两个子类就失去了存在的主体依靠。在剩下的归属和否认子类中, 否定副词、转折副词等起关键作用。

3 总结

基于评价理论介入系统框架, 本文具体讨论了学术语篇中评价性that从句三种主要形式S+V+that-clause, S+V+Shell Noun+that-clause与Shell Noun+Be+that-clause, It+<MD>+V+<ADV>+ADJ+that-clause。首先, 第一、二种形式具有相似性。在扩展系统中, 评价性that小句的功能具体属于接纳还是归属、作者立场与第三方意见之间的距离是近是远, 很大程度上取决于主语的选择;与此同时, 不同小品词的使用也会对这一距离产生或大或小的变化。在收缩系统中, 更受关注的是语势、语力的大小, 这一部分主要靠情态动词、副词、小品词等的作用。主语选择对其类别影响不大。

其次, 第三种形式具有特殊性。该形式旨在追求学术语篇的客观性, 因此带有主观性质的接纳和公告类介入都基本没有在语料库中出现。这类形式的情态动词、小品词、副词等只有在达到一定程度下, 才会形成公告, 影响语篇的整体判断, 因此属于比较稳定的评价形式。

本文对学术语篇写作具有指导意义。第一, 写作时注意作者、读者间的对话固然重要, 如何巧妙地引出第三方观点或正或反、或远或近、或大或小地支持自己的观点也值得关注;第二, 关注评价性that从句的表达形式, 了解不同功能、不同系统之间的差异和变化会使自己的文章旁征博引、引经据典, 更有说服力;最后, 在关注实词、大词、常用词的学习和使用的同时, 更需要加强情态动词、副词、小品词、转折连词等的学习和灵活使用, 使文章在精确、客观、有效的同时, 更显丰富多彩。

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