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从句语法规则

发布时间: 2020-12-25 08:43:13

A. 英语所有语法的主要规则

英语语法总结一.词性1. 实词1.名词 noun. N.名词是实词的一种,也是词性的一种,用来代替实体或抽象概念的词,可以独立成句。通常可以用代词来代替。A. 专有名词(Proper Nouns) -某个/某些人,地方,机构等专有的称呼,比如China, Mary.B. 普通名词 (Common Nouns)-一类人或东西,或一个抽象概念的名词,比如 book,friendship.2.代词(Pronoun) pron.代替名词的词类,大多数具有名词和形容词的功能。A.人称代词人称代词 第一人称单数 第二人称单数 第三人称单数 第一人称复数 第二人称复数 第三人称复数 主格 I you he/she/it we you they 宾格 me you him/her/it us you them 人称代词 第一人称单数 第二人称单数 第三人称单数 第一人称复数 第二人称复数 第三人称复数 形容词性物主代词 my your his/her/its our your their 名词性物主代词 mine yours his/hers/its ours yours theirs 汉语 我的 你的 他的/她的/它的 我们的 你们的 他(她、它)们的B.物主代词表示所有关系的代词叫做物主代词(Possessive Pronouns),也叫人称代词的所有格。物主代词分为形容词性物主代词和名词性物主代词两种。物主代词有人称和数的变化。第三人称单数的物主代词还有性别的变化(见上表)C.指示代词(demonstrative pronoun)表示指示概念的代词,用来指示或表示人或事物的代词。指示代词和定冠词以及人称代词一样,都具有指定的含义,用来起指示作用,或用来代替前面已经提到过的名词。指示代词的分类 (单数复数,既可作限定词又可作代词)单数 限定词:This girl is Mary.代词:This is Mary复数限定词:Those men are my teachers.代词:Those are my teachers.指示代词的句法功能指示代词在句子中可以充当:主语,宾语,表语,定语。 D.反身代词反身代词表示反射或强调的代词。它的基本含义是:通过反身代词指代主语,使施动者把动作在形式上反射到施动者自己。因此,反身代词与它所指代的名词或代词形成互指关系,在人称、性质、数上保持一致Myself, yourself, himself, herself, itself, ourselves, yourselves, themselves.E.关系代词用于引导定语从句,代表先行词,同时在从句中作一定的句子成分。有主格,宾格和属格之分,也分为指人和指物两种限定性 指人 非限定性 指物 限定性 指人或指物 主 格 who/that which/that that 宾 格 whom which/that that 属 格 whose of which/whose of which/whoseF.疑问代词1.疑问代词在句子中充当名词词组以构成疑问句What, who, whose, whom, which, whatever, whichever, whoever.2) 疑问代词在句中应位于谓语动词之前,没有性和数的变化,除who之外也没有格的变化。what, which, whose还可作限定词。G.相互代词相互代词(reciprocal pronoun)就是表示相互关系的代词。它与它所指代的名词或代词是一种互指关系,因此它们是复数或者二者以上。英语中的相互代词只有两个,即each other和one another传统语法认为,相互关系存在于两个人或物之间用each other, 存在于两个以上人和物之间用one anotherH.不定代词 不定代词,即不指明代替任何特定名词或形容词的代词 常用的不定代词:· some(something,somebody,someone),any(anything,anybody,anyone), no(nothing,nobody,no one), every(everything,everybody,everyone,),all,each,both,much,many,(a)little,(a)few,other(s),another,none,one,either, neither等 不定代词大都可以代替名词和形容词,在句中作主语、宾语、表语和定语I.连接代词疑问代词在引起从句时,都称为连接代词,包括who, whom, whose, what, which, whoever, whomever, whichever, whatever,一共九个,即除了whose后不能加“-ever”后缀,其余都行3. 数词 num.基数词 One, two, three… 一,二,三。。。序数词 First, second, third… 第一,第二, 第三。。。4. 形容词 adj.修饰名词或代词,表示事物的特征。5. 副词 adv.用于修饰动词,形容词,全句的词, 说明时间,地点,程度,方式等概念。可以分为时间副词,地点副词,方式副词,程度副词,疑问副词,连接副词,关系副词,频率副词,和说明性副词。6.动词 v.用来形容或表示各类动作的词汇,一个完整的句子中有至少一个动词2.虚词7. 冠词 art.冠词是虚词,不能单独使用。用在名词前面帮助指明名词的含义。冠词是名词的一种标志,它不能离开名词而独立存在,它表示主语的数量或特征。 8. 介词 prep.介词是一种用来表示词与词,句与句之间的关系的虚词,不能单独作句子成分。介词后面一般有名词,代词,或相当于名词的其他词类,短语或从句作它的宾语。介词和它的宾语构成介词词组,在句中作状语,表语,补语或者介词宾语。介词可以分为时间介词,地点介词,方式介词,原因介词和其他介词。 9. 连词 conj.连词是一种虚词,不能独立担任句子成分而只连接词与词,短语与短语以及句与句的作用。连词主要分为4类:并列连词,转折连词,选择连词和因果连词。 10.助词 助词是附着在词,短语,句子的前面或后面,表示结构关系或某些附加意义的虚词。助词有结构助词,时态助词,语气助词三种 11. 叹词 interj. 叹词是语法学术词。表示感叹,呼唤,应答的词。 3.判断词现代汉语中表示条件,让步,转折等关系的连词多包涵一个来自判断词“是”的语素,如 Yes 和 No. 4.情态动词1,,情态动词不能表示正在发生或者已经发生的事情,指标是期待或者估计某件事情的发生。2.情态动词除ought 和have 之外,后面只能接不带to 的不定式3.情态动词没有人称,数的变化,即情态动词第三人称单数不加S4.情态动词没有非谓语形式,即没有不定时,分词等形式。 5.感叹词感叹词是用来表示说话时表达的喜怒哀乐等情感的词。它不构成后面句子的一个语法成分,却在意义上与它有关连,后面的句子一般说明这种情绪的性质、原因。感叹词是英语口语中最富于表现力的词语之一,用途甚广。学会它,对于提高英语的交际能力,表达复杂的思想起着举足轻重的作用。英语中的感叹词很多,但目前的语法著作中却很少对它进行归纳总结,致使许多人对含有感叹词的句子理解不透。现将部分感叹词的用法进行小结: 一、Oh 表示惊讶、指责、痛苦、称赞、懊恼等,可译为“哦”、“哎呀”、“噢”“啊”、“呀”等。 6.其他 1.动名词动名词是一种兼有动词和名词特征的非限定动词。它可以支配宾语,也能被副词修饰,动名词有时态和语态的变化。V-ing 2.动词不定式不定式:to+动词原形 不定式是一种非限定性动词(在句中不能单独充当谓语的动词,可分为不定式,动名词,现在分词和过去分词) 3.分词 具有动词及形容词二者特征的词。二.句子成分 (7种)主语,谓语,宾语,定语,补语,状语,表语1. 主语句子陈述的对象,说明是谁或什么。名词,代词,数词,动名词,不定式,一个句子,都可以作主语。2. 谓语对主语动作或状态的陈述或者说明,指出“做什么”和“是什么”或“怎么样”。谓语动词的位置一般在主语之后。3. 宾语指一个动作(动词)的接受者。宾语分为直接宾语和间接宾语(宾语补足语)两类。直接宾语指动作的直接对象,间接宾语说明动作的非直接,但是受动作影响的对象。一般而言,及物动词后面至少要有一个宾语(通常为直接宾语),有些及物动词要求两个宾语(通常一个为直接宾语,一个为间接宾语)。名词,代词,数词,动名词,不定式,一个句子,都可以作宾语。而to do 不定式用于宾语补足语。4. 定语用于修饰,限定,说明名词或代词的品质与特征。形容词,名词,代词,数词,介词短语,动词不定式,分词,定语从句或相当于形容词的词,短语,或句子都可以作定语。5. 状语修饰动词,形容词,副词等的句子成分。作用:说明地点,时间,原因,目的,结果,条件,方向,程度,方式和伴随状况等。一般用副词,介词短语,分词和分词短语,不定式或相当于副词的词或短语担当。一般位于句末,但也可以放在句首或句中。6. 补语作用于主语和宾语,起补充说明的作用。最常见的是宾语补足语。名词,动名词,形容词,副词,不定式,现在分词,过去分词都可以在句子中作宾语补足语。7. 表语表语用于说明主语的身份,性质,品行,特征和状态。常位于系动词(be, become, appear,seem,look,sound,feel,get,smell等词)之后。常由名词,形容词,副词,介词短语,不定式,动名词,从句充当。充当表语的句子叫做表语从句。三.基本句型结构 : 简单句,并列句和复合句 1. 简单句:5大基本句型 1.主语+谓语 主谓结构,谓语多为不及物动词 It happens. 它发生了。 2.主语+连系动词+表语 主系表结构 Leaves turn yellow. 叶子变黄了。 She is a teacher. 她是一名老师。 3.主语+谓语+宾语 主谓宾结构 谓语多为及物动词 I play the piano. 我弹钢琴。 4.主语+谓语+宾语+宾语主谓宾宾结构,谓语是可以有双宾语的及物动词。2个宾语一个是直接宾语,一个是间接宾语。 He gave the book to his sister. 他把这本书给了他的妹妹。 He gave his sister the book. 他把这本书给了他的妹妹。 5.主语+谓语+宾语+宾语补足语 主谓宾补结构,补语是宾语补语,和宾语一起构成复合宾语 I find the book easy. (easy作补语) 有时主语和谓语都不止一个但依然是简单句。 It 引导结构 It 既是代词又是引词 可以作为形式主语(It is +adj. +for/of sb. to do sth. )或形式宾语(it +adj. +to do sth. )It 也用于强调句结构。 It is (was) + 强调部分(主语,宾语或状语)+ that(who)… 2. 并列句 两个或两个以上的简单句用并列连词连在一起构成的句子。 基本结构:简单句+并列连词(and, but, so , or等)+简单句 3. 复合句 Complex Sentence 由一个主句和一个或一个以上的从句构成 主句通常可以独立存在而从句不能 从句必须由关联词引导

B. ①中国的句子成分的规则适用于英语语法 ②中国的语法与英语的语法有何不同 完成我的问题的必有重谢

中文一开始是没有语法的 ,语法这个东西是从西方引进的,中文以前连标点符号都没有,更妄论语法了。除了共性之外,中文有量词、没有冠词、分词、不定式、动名词、表语、时态;而英文则没有量词,但有冠词、分词、不定式、动名词、表语、时态。
英语和汉语的十大区别
一、英语重结构,汉语重语义
我们看一看下面的例子:
Children will play with dolls equipped with personality chips,computers with inbuilt personalities will be regarded as workmates rather than tools,relaxation will be in front of smell television,and digital age will have arrived.儿童将与装有个性芯片的玩具娃娃玩耍,具有个性内置的计算机将被视为工作伙伴而不是工具,人们将在气味电视前休闲,到这时数字时代就来到了。
二、英语多长句,汉语多短句
一般来讲,英语句子结构上若没有出现错误,许多意思往往可以放在一个长句中表达;汉语则正好相反。汉语的语义是通过字词直接表达,不同的意思往往通过不同的短句表达出来。如:
Interest in historical methods had arisen less through external challenge to the validity of history as an intellectual discipline and more from internal quarrels among historians themselves. 人们对历史研究方法产生了爱好,这与其说是因为外部对历史作为一门知识学科的有效性提出了挑战,还不如说是因为历史学家内部发生了争吵。
三、英语多从句,汉语多分句
英语句子不仅可以在简单句中使用很长的修饰语使句子变长,同时也可以用从句使句子变复杂,而这些从句往往通过从句引导词与主句或其它从句连接,整个句子尽管表面上看错综复杂却是一个整体。汉语本来就喜欢用短句,加上表达结构相对松散,英语句子中的从句翻成汉语时往往成了一些分句。如:
On the whole such a conclusion can be drawn with a certain degree of confidence but only if the child can be assumed to have had the same attitude towards the test as the other with whom he is compared,and only if he was not punished by lack of relevant information which they possessed.总的来说,得出这样一个结论是有一定程度掌握的,但是必须具备两个条件:能够假定这个孩子对测试的态度和与他相比的另一个孩子的态度相同;他也没有因缺乏别的孩子已掌握的有关知识而被扣分。
四、在主语,宾语等名词成分中,英语多代词,汉语多名词
在句子中,英语多用名词和介词,汉语多用动词。英语不仅有we、you、he、they等人称代词,而且还有that、which之类的关系代词,在长而复杂的句子,为了使句子结构准确、语义清楚,同时避免表达上的重复,英语往往使用很多代词。汉语虽然也有代词,但由于结构相对松散、句子相对较短,汉语里不能使用太多的代词,使用名词往往使语义更加清楚。如:
There will be television chat shows hosted by robots,and cars with pollution monitors that will disable them when they offend.届时,将出现由机器人主持的电视访谈节目及装有污染监测器的汽车,一旦这些汽车污染超标(或违规),监测器就会使其停驶。
五、英语多被动,汉语多主动
英语比较喜欢用被动语态,科技英语尤其如此。汉语虽然也有“被”、“由”之类的词表示动作是被动的,但这种表达远没有英语的被动语态那么常见,因此,英语中的被动在汉译中往往成了主动。下面我们先看一组常用被动句型的汉译:
It must be pointed out that… 必须指出……
It must be admitted that… 必须承认……
It is imagined that… 人们认为……
It can not be denied that… 不可否认……
It will be seen from this that… 由此可知……
It should be realized that… 必须认识到……
It is (always)stressed that… 人们(总是)强调……
It may be said without fear of exaggeration that… 可以毫不夸张地说……
这些常用被动句型属于习惯表达法,在科技英语中出现频率很高,考生不仅要认识这些句型的固定翻译,同时要熟悉到许多英语中的被动从习惯上来讲要译成汉语的主动。如:And it is imagined by many that the operations of the common mind can by no means be compared with these processes,and that they have to be required by a sort of special training.许多人认为,普通人的思维活动根本无法与科学家的思维活动相比,认为这些思维活动必须经过某种专门练习才能把握。
有些英语被动需要把主语译成汉语的宾语,这样才能更加符合中文的表达习惯。如:New sources of energy must be found,and this will take time,but it is not likely to result in any situation that will ever restore that sense of cheap and plentiful energy we have had in the past time.必须找到新的能源,这需要时间;而过去我们感觉到的那种能源价廉而充足的情况将不大可能再出现了。
六、英语多变化,汉语多重复
熟悉英语的人都知道,英语表达相同的意思时往往变换表达方式.第一次说“我认为”可以用“I think”,第二次再用“I think”显然就很乏味,应该换成“I believe”或“I imagine”之类的表达。相比之下,汉语对变换表达方式的要求没有英语那么高,很多英语中的变化表达译成重复表达就行了。如:The monkey's most extraordinary accomplishment was learning to operate a tractor. By the age of nine,the monkey had learned to solo on the vehicle.这只猴子最了不起的成就是学会驾驶拖拉机.到九岁的时候,这只猴子已经学会了单独表演驾驶拖拉机了。
七、英语多抽象,汉语多详细
做翻译实践较多的人都有这样的体会:英文句子难译主要难在结构复杂和表达抽象上.通过分析句子的结构,把长句变短句、从句变分句,结构上的难题往往迎刃而解.表达抽象则要求译者吃透原文的意思、用详细的中文进行表达,这往往具有更大的挑战性。如:
disintegration 土崩瓦解;ardent 热心的,热情的;loyalty 赤胆忠心;total exhaustion 筋疲力尽;far-sightedness 远见卓识;careful consideration 深思熟虑;perfect harmony 水乳交融;feed on fancies 画饼充饥;with great eagerness 如饥似渴;lack of erseverance 三天打鱼,两天晒网;make a little contribution (捐款;捐助)添砖加瓦;on the verge of destruction 危在旦夕
从上面的例子不难看出,英语表达往往比较抽象,汉语则喜欢比较具体.我们再看一个翻译:Until such time as mankind has the sense to lower its population to the points whereas the planet can provide a comfortable support for all,people will have to accept more “unnatural food.”除非人类终于意识到要把人口减少到这样的程度:使地球能为所有人提供足够的饮食,否则人们将不得不接受更多的“人造食品”。
八、英语多引申,汉语多推理
英语有两句俗话:1. You know a word by the company it keeps.要知义如何,要害看词伙;2. Words do not have meaning,but people have meaning for them.词本无义,义随人生。这说明词典对词的定义和解释是死的,而实际运用中的语言是活的。从原文角度来说,这种活用是词义和用法的引申,翻译的时候要准确理解这种引申,译者就需要进行推理。如:While there are almost as many definitions of history as there are historians,modern practice most closely conforms to one that sees history as the attempt to recreate and explain the significant events of the past.尽管关于历史的定义几乎和历史学家一样多,现代实践最符合这样一种定义,即把历史看作是对过去重大历史事件的再现和解释。
九、英语多省略,汉语多补充
英语一方面十分注意句子结构,另一方面又喜欢使用省略.英语省略的类型很多,著名词的省略,动词的省略,有句法方面的省略,也有情景方面的省略.在并列结构中,英语往往省略前面已出现过的词语,而汉语则往往重复这些省略了的词。如:Ambition is the mother of destruction as well as of evil.野心不仅是罪恶的根源,同时也是毁灭的根源。
Reading exercises one's eyes;Speaking,one's tongue; while writing,one's mind.阅读训练人的眼睛,说话训练人的口齿,写作训练人的思维。
十、英语多前重心,汉语多后重心
在表达多逻辑思维时,英语往往是判定或结论等在前,事实或描写等在后,即重心在前;汉语则是由因到果、由假设到推论、由事实到结论,即重心在后。比较:
I was all the more delighted when,as a result of the initiative of your Government it proved possible to reinstate the visit so quickly.由于贵国政府的提议,才得以这样快地重新实现访问.这使我感到特殊兴奋。
The assertion that it was difficult,if not impossible,for a people to enjoy its basic rights unless it was able to determine freely its political status and to ensure freely its economic,social and cultural development was now scarcely contested. 假如一个民族不能自由地决定其政治地位,不能自由地保证其经济、社会和文化的发展,要享受其基本权利,即使不是不可能,也是不轻易的.这一论断几乎是无可置辩的了。

C. 英语语法中,从句的结构一定是要完整的吗(主语,谓语什么的都有)或者说是什么类型的主从句中从句可以

从句之所以叫从句就是因为这是一个完整的句子,所以,大体上,从句的句子结构是完整的,也就是说最起码要有主谓结构,及物动词一定要出现主谓宾结构。

有时候你感觉从句句子不是很完整,可能是以下几个情况:

  1. 有些从句的连词在句子里是担当成分的。比如说:I don't know who he is. 这是宾语从句,而连词who担任了从句中的表语。这种在句子里担任成分的连词通常还起一个代词的作用,通常指人的有who, whom, whose,指物的有which, what等。但是不同的从句有不同的连词,这些连词在不同从句中的作用也是不同的,比如说that在宾语从句中指起引导作用,不做句子成分(He said that he had finished the homework.),而在定语从句中that就是关系代词,在句子中要做成分(Do you see the building that stands beside the river?)。这就需要一个从句一个从句去仔细地学了。

  2. 有些时候,从句中可以有一些省略,省略的通常是do, have这种词。比如说:I have done all (that)I can (do). 这些通常比较口语化。

  3. 非谓语。疑惑通常会出现在非谓语做状语和定语的情况下:Although refused, he still loves her. 和 Although he was refused, he still loves her. 前一句是非谓语做状语,补上了连词,而后一句是一个让步状语从句,所以什么是从句,什么是非谓语,这要分清楚。

总之,你问的问题涉及到的知识面太多了,我也不太了解你是那个年级段的,所以打的有点多,不懂的可以追问。建议买本语法书,琢磨琢磨就通了。

D. 语法里什么叫做“从句”

就是一个句子中的宾语或表语用一个句子来担任其句子的成分,可以用关系代词或关系副词引出从句。

E. 英语语法题。从句

英语的学习不是一朝一夕的,是需要长时间的积累过程,单词,语法回,听力,这些是答最基本的,不过最主要的是口语的练习,多听多练是最有效的,最好是可以经常和外国人交流,进行语言的交换,文化的交流也是可以提升外语的。

F. 高中英语语法几种从句的辨别方法及答题技巧

高中英语中共有三大从句:一、形容词性从句(即定语从句);二、名词性从句;三、状语从句。

形容词性从句在句中起到修饰作用,相当于一个形容词,作先行词的定语,有限定性定语从句和非限定性定语从句之别。限定性定语从句不能随意去掉,否则句子意思无法表达明白。如:He is the man who bought my book yesterday. 如果去掉定语从句,此话没有什么意思。而非限定性定语从句与先行词关系不是很紧密,可以去掉,不影响主句的主要意思的表达。I met an old woman in the shop yesterday, who was about 80.

名词性从句共有四大类型:主语从句、表语从句、宾语从句和同位语从句。名词性从句,顾名思义,整个句子相当于句子中的一个名词,充当主句的主语、表语、宾语或者同位语。主语从句、表语从句、宾语从句只有在主句句子的成分残缺时才可以考虑使用以上三大从句。而同位语则是对前面某一名词的展开,即前一名词的具体说明,两者是同等,不是定语从句的修饰与被修饰关系。如:【同位语从句】We heard the news that he had gone to Beijing yesterday.此句中the news 和 that he had gone to Beijing yesterday.是同一意思,可以替换。the news 去掉,that 引导的则成了宾语从句,不过意思没变。

关于状语从句,主要是为主句谓语动词的发生提供一个时间(when)、地点(where)、条件(if)等等。常见的状语从句有:1.时间状语从句2.地点状语从句;3.原因状语从句;4.条件状语从句;5.目的状语从句;6.让步状语从句;7.比较状语从句;8.程度状语从句;9.方式状语从句;10.结果状语从句。

G. 虚拟语气语法规

虚拟语气是一种动词形式,表示说话人的一种愿望,假设,怀疑,猜测, 建议等含义,虚拟语气所表示的含义不是客观存在的事实。

If I were you, I'd take them away.

如果我是你的话,我就会带走他们。

If I had met Li Hua, I could have told him.

如果我碰见了李华,我就告诉了他了。

If I had time, I could come to help you.

如果我有时间,我会来帮助你的。

He suggested that our class should be divided into five groups.

他建议说我们的班应该分成五个小组。

He speaks to us as if he had been there.

他给我们讲的好象他去过那儿。

虚拟语气的用法:

1. 虚拟语气用在简单句中,表示祝愿,命令。
May you be happy! 祝你幸福。
May you have a good time! 祝愿你玩的痛快。
May the friendship between us last long! 祝愿我们的友情天长地久。
Have a good journey! 祝愿你旅途愉快!
You go out!你出去!
2. 宾语从句中的虚拟语气。
1) wish结构
与……事实相反
过去 Had done
现在 Were/did
将来 Would
备注:可转换为其他形式。
例句:He talks as if (好像) he had done all the work himself. [过去]
I wish I were a bird.
I wish he hadn't done that.
I wish I would be rich in the future.
I wish she would be on my side. 我希望她能站在我一边。
I wish I could help him. 我希望我能帮助他。

2) should结构
从句中用“should + 动词原形”构成。而且should可以省去。用于此结构的动词有:advise, direct, agree, ask, demand, decide, desire, insist, order, prefer, propose, request, suggest, intend等。
例句:The teacher suggest he (should) read English aloud.
The teacher suggested that we (should) clean the blackboard after class.
老师建议我们课后把黑板擦了。
He ordered that the students wash the clothes every week by themselves.
他要求学生每周都要自己洗衣服。

注意:当insist表示“坚持认为”、suggest表示“表明,显示”时,不用虚拟语气。
例句:The look on his face suggested that he was quite satisfied with what I had done for
him.
He insisted that he was honest.

3) would rather +从句
在这种结构中,从句的谓语动词用过去形式表示虚拟。
例句:I would rather you did this instead of me.

3. 主语从句中的虚拟语气
1)It be + 形容词 + that ...(should)... 用于该句型的形容词是:necessary, good, important, right, wrong, better, natural,
proper, funny, strange, surprising.
一些名词也可以用于该结构中。如:a pity, no wonder....
如:It's necessary that we should have a walk now. 我们有必要出去散散步。
It's natural that she should do so. 她这样做是很自然的。
It's important that we should take good care of the patient. 重要的是我们要照顾好病人。

2)It be + 过去分词 + that ...(should)....

用于该结构中的过去分词是表示“建议、请求、命令”等词的过去分词。如:desired,
suggested, requested,ordered,proposed等。

3)It is time(about time, high time)that ...(过去式动词形式或should+动词原形)....

It is high time I went home now. = It is high time I should go home now.

4. 表语从句、同位语从句中的虚拟语气
在suggestion, proposal, order, plan, idea, advice, decision等需要有内涵的名词后面的表语从句、同位语从句中,要使用虚拟语气。其谓语动词应用: should+原形动词。另外连接从句的that不能省略。

例:My suggestion is that we should go there at once.
What do you think of his proposal that we should put on a play at the English evening?

5. 虚拟语气用在状语从句中
虚拟语气最多地用在表示条件的状语从句和表示结果的主句中。在表示与事实相反的虚拟语气时,动词有三种时态形式,即现在,过去和将来。

1) 与现在事实相反的假设:
从句:if+主语+动词的过去式(be变were)+其他
主句:主语+would(should, could, might)+动词原形+其他
If I were a bird, I would fly to Beijing.

2) 与过去事实相反的假设:
从句:If+主语+过去完成时+其他
主句:主语+should(would, could, might)+现在完成时+其他。
例:If you had studied harder last term, you could have passed exam.
If I were you, I should buy it. 如果我是你,我就买了它。

If I had time, I would study French. 如果我有时间,我会学习法语的。
If she knew English, she would not ask me for help.
如果她懂英语的话,她不会找我帮忙的。If you had got up earlier, you could have caught the train.
如果你早一点起床,就会赶上火车的。
If it were fine tomorrow, I would go shopping.
如果明天天气好,我就去买东西。

3)表示对将来事实实现的可能性不大的假设
从句:If+主语+should (were to )+动词原形+其他
主句:主语+would (could, should, might)+动词原形
例:If he were to go tomorrow, he might tell you.
If it were to snow tomorrow, I would make a snowman.

有关虚拟语气的几个问题:
1) 有时if引导的状语从句可以省略 if,而把从句中的动词 were, had 或 should 移到
主语前面。
Were she younger, she would do it. 如果她年青点, 她就会干的。
Had he known her address, he would had gone to visite her.
如果他知道她的地址,他会去看她的。

2) 有时表示虚拟语气的条件从句或者主句都可以省略,而只剩下一个主句或者一个条
件从句。
I could help you. 我本来可以帮助你。
If I had time. 我要有时间该多好啊。
She should have come to the party. 她应该来参加聚会。
If he had much more money… 如果他有更多的钱就能...。

3) 虚拟语气中,条件从句的动词动作可以和主句的动词动作时态不一致。
If they had studied hard, they could do it easily now.
如果他们以前努力学习的话,现在干的就会容易些。
If he had not taken my advice, he wouldn't do it much better like this.
如果他不听取我的建议,他就不会干得这样好。

H. 英语中从句的语法大全

英语中六大从句用法总结
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...
*It seems\appears\happened\has turned out that...
*It is clear\important\likely\possible that...
*It is said\reported\estimated\has been proved that...
It is said that comic books create a connection between people of the same generation.
It seems that the performance is very useful.
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.
I did know why I felt like crying.
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.
*All this is different from what American young people would say about friendship.
*He is certain that watching so much television is not good for children.
*This article is well-written except that it is a bit too long.
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.
3)在think,believe,suppose,expect等动词后的宾语从句中,如果谓语是否定的,一般将否定词移至主句谓语上,宾语从句则变成肯定形式。
He didn't think that the money was well spent.
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.
The reason why so many people died there is that there were not enough food supplies.
It looks as if successful international cultural communication will make the world smaller.
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.
I had no idea how many books I could borrow at a time.
The news came that their team had won the championship.
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 (which\that) 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.
5.定语从句
*非限制性定语从句
非限制性定语从句既可修饰先行词,也可修饰整个主句,起补充说明作用,与主句之间有逗号隔开,若省去,原句意思不受影响。不可用that引导非限制性定语从句。关系词不可省略。
Every object has a gravitational pull,which is rather like magnetism.
*“介词+which\whom\whose”引导的定语从句
“介词+which\whom\whose”可引导限制性定语从句,也可引导非限制性定语从句,该结构中介词的选择取决于从句谓语动词的固定搭配,或先行词的习惯搭配。
This is the computer on which he spent all his savings
It is written by a person with whom we are all familiar.
*as引导的定语从句
as引导的定语从句主要用于“such...as”及“the same...as”的结构中,代替先行词是人或物的名词。as引导非限制性定语从句时,代替整个主句,从句可位于主句之前、之后或中间。
These are not such problems as can be easily solved.(as代替先行词problems)
As is mentioned above,no single company or group can control what happens on the Internet.(as代替主语)
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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