it在英语里的用法

it在英语里的用法,第1张

IT的原意在英语中指代物的第三人称单数。pron它; 他; 正好是所需的; 事实[情况]; n<美俚>傻瓜,笨蛋; <俚>绝妙的人; 理想的东西; 登峰造极。而it另有其他单词的缩写,例如信息技术Information Technology;即时翻译 instant translation;创新技术innovative technology等

It 的常用句型有以下20种:

1 It is + 被强调部分 + that  

  该句型是强调句型。将被强调的部分放在前面,其它部分置于that之后。被强调部分可以是主语,宾语,表语或状语。强调的主语如果是人,that可以由who换用。如果把这种句型结构划掉后,应该是一个完整无缺的句子。这也是判断强调句型与其它从句的方法。

It was about 600 years ago that the first clock with a face and an hour hand was made

It was they that (who ) cleaned the classroom yesterday

It was in the street that I met her father

2 It is not until + 被强调部分 + that

该句型也是强调句型。主要用于强凋时间状语,译成汉语"直到...才...",可以说是 not until 的强调形式。

It was not until she took off her dark glasses that I realized she was a famous film star

= Not until she took off her dark glasses did I realize she was a famous film star

= I didn’t realize she was a famous film star until she took off her dark glasses

3 It is clear ( obvious, true, possible, certain) that

  该句型中it 是形式主语,真正的主语是that 引导的主语从句,常译为"清楚(显然,真的,肯定...)" 是主语从句最常见的一种结构。

It is very clear that he’s round and tall like a tree

= That he’s round and tall like a tree is very clear

4 It is important ( necessary, right, strange, natural) that

该句型和上一个同属一个句型。由于主句中的形容词不同,that 后的从句中要用虚拟语气(should + 动词原形),should 可以省去。建议记住该句型中的形容词。

It is important that we (should) learn English well

It is necessary that he (should) remember these words

5 It is said (reported, learned) that

该句型中的it 仍是形式主语,真正主语是that 引导的主语从句。该结构常译为"据说(据报道,据悉...)"。

It is said that he has come to Beijing

It is reported that another earth satellite has been put into orbit

6 It is suggested ( ordered ) that

该句型和上一个同属一个句型。主句中的过去分词是表示请求,建议,命令等词时,that 后的从句要用虚拟语气(should + 动词原形),should 可以省。常译为"据建议;有命令...)

It is suggested that the meeting ( should ) be put off

It was ordered that we ( should ) arrive there in two hours

7 It is a pity ( a shame ) that

该句型中,that后的从句一般用虚拟语气(should + 动词原形),should可省去.表示出乎意料,常译为"竟然"。没有这种意义时,则不用虚拟语气。

It is a pity that such a thing ( should ) happen in your class

这种事竟然发生在你们班上,真是遗憾!

It is a pity that he is ill 他生病了,真遗憾!

8 It is time ( about time ,high time ) that

该句型中that 后的从句应该用虚拟语气,值得注意的是① 常用过去时态表示虚拟.② 有时也用should + 动词原形,should 不能省。常译为"是(正是)...的时侯..."。

It is time that children should go to bed

= It is time that children went to bed

9 It is the first ( second ) time that

该句型要和上一个句型区别开来。该句型中的 that 从句不用虚拟语气,而用完成时态。至于用什么完成时态,由主句的谓语动词的时态决定。如果是一般现在时,后面从句用现在完成时态;如果是一般过去时,后面从句则用过去完成时态。该结构中 that 可以省去;it有时用 this 替换.常译为"是第一(二)...次..."。

It is the first time I have been here

= This is the first time I have been here

10 It is since

该句型主要用作处理瞬间动词的完成时,又要和表示一段时间的时间状语连用的问题。主句中是时间作表语,其时态是现在时或完成时,since 引导的从句通常是一般过去时态,而且是瞬间动词。如果主句是一般过去时,从句则用过去完成时。

It is ( has been ) 5 years since his father died

11 It is when

该句型中的 when 引导的是一个时间状语从句,主句中的 it 指时间,表语由具体的时间充当。常译为"当...的时候,是..."。

It was 5 o’clock when he came here

12 It be before

该句型主句中的 it 指时间, 主句中的时态常是将来一般时或过去时两种时态.主句中的表语多是long, not long , 3 days , 2 weeks 等表示时间段的词或短语。常译为"...之后..."。

It was 3 days before he went to Beijing

It will be not long before he finishes his job

13 It happens (seems, looks, appears ) that

该句型中it是形式主语,that 引导的是主语从句,主句中的happen , seem等词是不及物动词.

It happened ( so happened ) that he met his teacher in the street 碰巧..

It seems that he will be back in a few days 看来...

14 It takes sb to do sth

该句型中的不定式是真正的主语,it是形式主语,句型中的直接宾语是时间。常译为"做...要花费某人..."。

It took thousands of people many years to build the Great Wall

15 It is no good (use ) doing sth

该句型中的真正主语是动名词短语,主句中的表语可以是no good , ( not any good ) , no use , ( not any use )。

It is no good learning English without speaking English

16 It doesn’t matter whether ( if )

该句型中whether(if) 引导的从句是真正主语,该句型常译为 "不论(是否)...没关系...。

It doesn’t matter if they are old

17 It is kind ( of sb ) to do sth

该句型中的不定式短语是真正主语,如果不定式的逻辑主语是由 of引起,主句中的形容词必须是能表示逻辑主语特征的形容词。常见的有: bad , brave , careless, clever , cruel , foolish , good (好心的), honest , horrible , kind , lazy , modest , naughty , nice(有教养的), polite, rude , silly , stupid , wise , wrong(错误的)等。 这个句型可以改写为:sb is kind to do sth

It is kind of you to say so

= You are kind to say so

18 It is necessary ( for sb ) to do sth

该句型与上一个同属一个句型。如果不定式的逻辑主语是由for引起,主句中的形容词通常是表示重要性,紧迫性,频繁程度,难易,安全等情况的形容词。常见的形容词有:① important, necessary, natural ② easy , safe , common , normal , hard , difficult , dangerous , unusual, rare , impossible , pleasant等。

在①中的形容词作表语可以用从句改写, 如:

It is important for her to come to the party

= It is important that she (should ) come to the party

19 It looks ( seems ) as if

该句型中it无意义。 as if 引导一个状语从句。常译为,"看起来好象..."如果与事实不相符合,则用虚拟语气.

It looks as if he is ill(真的病了) 

It looks as if he were ill (没有生病)

It seemed as if he were dying

20 We think it important to learn a foreign language

该句型中的it 作形式宾语。为了记忆方便我们可称该句型为"6123结构"。

6指主句中常用的动词:think, believe, make, find, consider, feel;

1指的是形式宾语it;

  2指的是宾补的两种形式:形容词或名词;

3指的是真正宾语的三种形式:不定式短语,动名词短语或that引导的宾语从句。

We think it our duty to clean our classroom every day

He felt it important learning English well

They found it difficult that they would finish their work in two days

it作人称代词,可用来代替人、物或事。接下来,我给大家准备了it在英语里的用法,欢迎大家参考与借鉴。

it在英语里的用法

Who is knockingat the door—It's me谁在敲门是我 。

The ant is not gathering1 this food for itself alone Ithas two stomachs in its body蚂蚁不只 是为自己采食。 它的身体里有两个胃。

When service is interrupted2, as it was by last night'sstorm, John has to inform the pu blic what the company isdoing about the problem每当供电中断时,就像昨夜因暴风雨而造成的那样 ,约翰就必须通知大家,公司为解决这个问题正在做些什么。

二、作非人称代词,表示时间、天气、季节、距离、环境等。

It is tea time Mrs Tuner goes into the kitchen到了喝茶的时间了,特纳夫人走进了厨房。

It was winter it was ten degree below zero现在是冬天,气温是零下10度。

It is only half an hour walk to the tall tower 只有半小时的路程就可以到达高塔了。

It will be lovely in the park today今天公园里一定很好玩。

三、作先行词。

1作形式主语。英语中不定式、动名词、主语从句在作主语时主语往往显得很长,使整 个 句子 看上去有点 头重脚轻,这样就借助“it”来作形式上的主语,而把真正的主语移到句 子后边去,使全句看上去平稳一些。 “it”没有实际的意义。

It is fun for her to study, but it is difficult to studyand work at the same time对于她来说学 习是有趣的,可是要边工作边学习对她来说是困难的。

It is necessary for them to get an electrician3 to do thework for them对他们来说请一位电工来为他们做这项工作是必要的。

It will be no good learning4 without practice 学习而不实践是不好的。

It is no use talking to him about it和他谈这事没用。

It is possible that they're finished the bridge他们完成这座桥是可能的。

It is important that we should learn from each other andhelp each other我们应当互 相学 习,互相帮助,这是很重要的。

2作形式宾语。这种情况通常只用于能带以名词或形容词作宾语补语的动词后面。

In the 1870's, when Marx was already in his fifties, hefound it important to study the si tuation in Russia, so hebegan to learn Russian在19世纪70年代,马克思已经五十几岁了,他觉得研 究俄国的形势很重要,便开始学习俄语。

This has made it necessary for agriculture and industryto develop very quickly这就使得工 农业必须飞速发展。

四、构成强调句型。为了强调句子的某一成分,把引导词“it”用在句首,这种强调句 的结构是“It is (was )+所强调的成分(主语、宾语、状语)+that…”,表达的意思为“是…, 正是…,就是…”。“it ”在这种句型中本身没什么实际意义。

My temperature! It's my back that hurts我的体温!是我的背痛。

It is not only blind men who make such stupid mistakes 决不只有盲人才犯这样愚蠢的错误。

这里需要说明的是:如被强调的是人,则后面用who或that,如被强调的是物或其他 情况,则用that。

It was yesterday that I met Bob in your room 我就是昨天在你的房间遇见鲍勃的。

It was in your room that I met Bob yesterday 我就是在你的房间昨天遇见鲍勃的。

It was Bob that I met in your room yesterday 昨天我在你房间遇见的就是鲍勃。

相关 文章 :

1 英语学习:it的用法

2 英语单词学习:it指人的用法

3 make it的用法例句参考

4 if句型的用法总结英语用法

5 英语高级语法

6 初三英语教程视频:Unit 9 When was it invented

衷心诚恳的:hearty;可爱的:lovely;独特的,唯一的:unique;和善温和的:gentle;诚实老实的:honest;英勇的:heroic;爱交际的:social;有天赋的:gifted;

好难哦目前只想到这些,希望能帮到你!

IT一般指互联网技术(Internet Technology)。

互联网技术是指在计算机技术的基础上开发建立的一种信息技术。互联网技术的普遍应用,是进入信息社会的标志。在不同的场景中对此有不同解释。

IT更新意味着升级到更快、更直观的现有平台版本。然而,当不同硬件能够更好地提供功能、显著提升性能或获得更高可靠性时,可以考虑在迁移过程同时升级硬件。

扩展资料:

互联网技术的组成:

互联网技术的普遍应用,是进入信息社会的标志。不同的人和不同的书上对此有不同解释。但一个基本上大家都同意的观点是,IT有以下三部分组成:

1、传感技术:这是人的感觉器官的延伸与拓展,最明显的例子是条码阅读器;

2、通信技术:这是人的神经系统的延伸与拓展,承担传递信息的功能;

3、计算机技术:这是人的大脑功能延伸与拓展,承担对信息进行处理的功能。

所谓信息化是用信息技术来改造其他产业与行业,从而提高企业的效益。在这个过程中信息技术承担了一个得力工具的角色。

参考资料来源:百度百科-互联网技术

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