因为it是不能随便用的,每一个it都有自己对应的用法,而这里的it是形式主语的用法,所以这只能是一个主语从句。如果这里用this is a pity that ……,那么这就是一个同位语从句了。这是一个主语从句是由前面的it这个形式主语所决定的。
原文:it is a pity that
译文:很遗憾
重点词汇:that
英 [ðæt] 美 [ðæt]
det 那,那个;那种
pron 那, 那个;那,那种;(非正式)就那样
conj ……可能是;由于;以至于;(表示目的)为了;(诗、文)真希望
adv 那样,那么;(非正式)很,非常
n (That) (越)塔特(人名)
扩展资料
用it作人称代词,可替代无生命的东西或事情,在性别不详或无所谓时,也可指代人,尤其是指婴儿。
it作主语时,可指自然现象、季节、时间、距离、环境等。
it可以作先行词,用于强调句型中,强调主语、宾语、时间状语、地点状语、介词宾语或从句等,强调句型中的it一般指已发生过的事,而不指尚未发生或提及的事。
it还常用作形式主语或形式宾语,代替较长的真实主语或真实宾语(其形式多为动词不定式短语或that从句等)。
it可以代替前面提到的某个名词、代词或句子,但在believe, expect, forget, imagine , remember, think等词后常常省略。
that引导主语从句的例句:
1、That he will come to our village tomorrow surprises us all 他要来我们村,让我们都感到很惊讶。
2、That she used to be a spy is known to all 大家都知道,她过去是个间谍。
3、It is a pity that you have missed the wonderful lecture你错过了这么精彩的演讲真遗憾。
4、It is announced in today's newspaper that the president will pay a visit to China next week今天报纸上宣称总统下周要对中国进行访问。
扩展资料:
that引导的主语从句用法详解:
1、that在句中不做成分。当主语从句位于句首时,不能省略。
2、在形式主语it引导的主语从句结构“It is+形容词/名词/名词短语等+that主语从句”中。
如果is后面的表语是表示重要或必要等(如important、necessary、a necessity等)含义时,that从句中的谓语动词一般要采用“should+do”的虚拟语气形式,should经常省略。如:
It is imperative that we (should) make a quick decision 我们要尽快做出决定。
It is necessary that we (should) learn English well 我们必须学好英语。
it做形式主语 必须用that引导从句吗 回答是:不是必须
it做形式主语,后面内容做句子真正主语,除了由主语从句充当之外,还可以由不定时,不定时短语,动名词以及动名词短语充当,
例如下面句子
It is very useful to learn English so well
It is the police's duty to protect the peope's life and properties
It is not so effective learning English without practising speaking English with others as often as possible
It is his duty taking good care of all his children
以上回到,希望能帮助你,谢谢!
主语从句在复合句中作主句的主语,引导主语从句的词有从属连词that, whether以及连接代词who, what, which, whoever, whatever, whichever和连接副词when, where, why, how等例如:
1、That she was chosen made us very happy她当选了使我们很高兴
2、What caused the accident is a complete mystery是什么导致了这次事故还完全是一个谜
3、Whether she will come or not is still a question她是否来还是一个问题
4、Which team will win the match is still unknown哪个队会赢得这场比赛还不知道
5、Whoever comes to the party will receive a present参加聚会的每一个人都将收到一份礼物
6、When they will start has not been decided yet他们何时出发还没决定
注意:上述例句中的主语从句都是放在句首,但有时为了使句子结构平衡,避免"头重脚轻",常用it作形式主语,而把从句放在后面例如:
It is a pity that she has made such a mistake她犯了这样一个错误,真是遗憾
It depends on the climate whether they are going shopping today他们是否今天去购物还得看天气情况
这样就构成了下面一些常用句型:
1)It is + adj / n +从句
It is a pity/shame that遗憾的是……
It is possible that很可能……
It is unlikely that不可能……
2)It +不及物动词+从句
It seems/appears that似乎……
It happened that碰巧……
3)It + be +过去分词+从句
It is said that据说……
It is known to all that众所周知……
It is reported that据报道……
It is believed that据信……;人们相信……
It is suggested that有人建议……
It must be pointed out that必须指出……
It has been proved that已证明……例如:
It is believed that at least a score of buildings were damaged or destroyed据信,至少有二十座楼房遭到破坏或彻底毁掉
It is suggested that the meeting should be put off有人建议会议延期召开
It's reported that three people were killed in the accident and five were hurt badly据报道,事故中三人丧生,五人重伤
It is known to all that Taiwan is an inseparable part of China众所周知,台湾是中国不可分割的一部分
扩展资料
宾语从句用以区分 主语从句的几个特征:
1、 引导词:what\which\whose\when\whether\if\where
2 语序:宾语从句必须是用陈述语句。(名词性从句都是陈述语序)
如:I think that you must work harder
宾语从句的引导词、 连接词的区别、 否定转移等现象。
补充: 从句的语序永远是 陈述句。
IT 的用法
1做代词,代替刚提到的过的一件事情。
a 可以指一个具体的东西。b 可以指前面所谈的事情或情况
eg a It’s a nice room
bYou promised to write the article, and you must do it
2做代词代替指示代词 this, that
eg ---What’s this ------ It’s a flag
3起指示代词的作用,指一个人或事物,it 所指的东西不很具体。
a有时指某个动作的人。b 有时指引起某种情况的事物。
eg a ----Who is knocking at the door ---- It’s me
bIt’s the wind shaking the window
4指环境,情况等。
eg It’s very quiet at the moment
5指自然现象(天气,气候,明暗等)
eg I’s getting cold (dark, late, etc)
6指季节,时间
eg It was late autume (early spring, mid summer, etc)
7指距离
egIt’s only five miles (half an hour’s walk)
8用于强调结构,在这里it 可以说没有意思。它只帮助改变一个句子的结构,使某一成分受到强调,改变结构的办法是:
IT + be + 要强调的部分+ that(who, whom) + 句子其他部分
强调的部分是人用who(m), 其他情况多用that
eg It was Mary who (that) met your sister in the zoo yesterday
It was your sister that (whom) Mary met in the zoo yesterday
It was in the zoo that (where) Mary met your sister yesterday
9做形式主语,代替一个由不定式,动名词短语或是从句表示的主语,使原来的这些主语可以放在句子后部,避免头重脚轻。
a 真正的主语是不定式。
EgIt’s our duty to attend to this letter
b真正的主语是动名词。
EgIt’s no use talking to him about it
c真正的主语是从句, 这个从句可以用that 引起,也可以用一个连接代词或连接副词引起。
EgIt happened that I wasn’t there that day
It’s doubtful whether she will be able to come
10做形式宾语,代替一个由不定式,动名词,或是宾语从句,往往把宾语放在它的补足语后面。而用it做形式宾语,放在宾语补足语之前
EgI think it no use arguing with him
二:what引导主语从句。以下有举例:)~
例After Yang Liwei succeeded in circling the earth, _____ our astronauts desire to do is walk in space
Awhere B what C that D how [04上海卷]
题意杨利伟成功地环绕地球飞行之后,我宇航员所渴望做的事情是在太空行走。
考点what引导主语从句。
简析 简析通过分析题干结构可以看出,主句主语是由一个句子充当的,而且这个句子中的谓语desire缺少宾语,应该排除A、D两项;在引导主语从句时that无词义,因此正确答案是:B。
2.考例I think Father would like to know _____ I’ve been up to so far, so I decided to send him a quick note
Awhich B why C what D how [04湖南卷]
题意我认为父亲想知道目前我在做什么,所以我决定给他发个短信。
考点what引导宾语从句。
简析 简析know后面跟有一个宾语从句,从句中be up to缺少宾语,所以应该选一个连接代词引导宾语从句,这样B、D是错误的;A项不符合题意,正确答案是:C。
3.考例---Are you still thinking about yesterday’s game
---Oh, that’s _____
Awhat makes me feel excited B whatever I feel excited about
C how I feel about it D when I feel excited [03北京春季]
题意---你还在想昨天的比赛吗? ---哦,那就是使我感到兴奋的事情。
考点What引导表语从句。
简析 简析根据问话人的意图,想知道的不是“怎么样”、也不是“什么时候”;所以排除C、D两项;B项不合题意。答案是:A。
4.考例Our hometown has changed a lot, and now it is quite different from _____ a few years ago
Awhat it used to be B that it used to be C which it used to be D what was it
题意我们的家乡变化很大,它现在与数年前的样子完全不同。
考点what引导宾语从句。
简析 简析介词from后面是一个宾语从句,分析所给的选项可以看出,be应该带有 自己的表语意思才能完整,这样B、D两项错误,C项不符合题意。正确答案是:A。
5.考例A modern city has been set up in _____ was a wasteland ten years ago
Awhat B which C that D where [04天津卷]
题意一座现代化城市已经在十年前是垃圾场的地方拨地而起。
考点what引导宾语从句。
简析 简析介词in后面应该是一个名词性的结构,再加上这个结构中缺少的是主语,而不是地点状语,因此要首先排除D项;B、C两项不合乎题意。答案是:A。
6.考例It is pretty well understood _____ controls the flow of carbon dioxide in and out the atmosphere today
Athat B when C what D how [03上海卷]
题意今天人们十分明白是什么控制着大气层内外二氧化碳的流动的。
考点what引导主语从句。
简析 简析it在整个题干中做形式主语,understood之后的部分是真正主语,是主语从句,根据题意可以排除B、D两项;要使主语从句的意义和结构完整,正确答案应该是:C。
更详细的可以看语法大全:)~
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