it用法归纳

合集下载

英语语法:高中英语It的用法

英语语法:高中英语It的用法

【导语】"It"⽤法及其句型和固定搭配,是⾼中英语语法的重点、难点,⼜是近⼏年⾼考的热点,因此应给予充分的重视,⽆忧考整理了“it的⽤法”,欢迎阅读参考!更多相关讯息请关注⽆忧考!⼀、It⽤作实词表达以下概念:指代前⽂提到的事物,如前⽂中的this, that;替代前⽂中的内容;指代⼀位性别不明的⼩孩或未知的⼈;指代未指明但谈话双⽅都知道的那件事;指代时间、天⽓、⽓候、距离等⾃然现象……⼆、It⽤作形式主语替代作主语的从句、动词不定式、动名词,⽽把真正作主语的从句、动词不定式、动名词置于句尾。

It 作形式主语的常见句型:1. 代作主语的动词不定式,其句型为:(1) It be adj. (for sb.) to do sth.此处adj. 通常为描述事件的形容词:easy, difficult, hard, necessary, unnecessary, possible, impossible, likely, unlikely, right, wrong, important, unimportant, legal, illegal, well-mannered, ill-mannered, polite, impolite, clear, obvious, certain, suitable, proper, fit, useful, useless, dangerous…例: It is illegal (for a teenager) to drive a car without a license.(2) It be adj. of sb. to do sth.此处adj. 通常为描述⼈的形容词:kind, unkind, nice, rude, cruel, considerate, thoughtful, thoughtless, careful, careless, silly, foolish, stupid, clever, wise, crazy.例: It's kind of you to help me with the problem.(3) It替代作主语的动名词的常见句型:It's no good/use doing…It's (well)worth doing…It's (well)worth one's while doing/to do…It's (well)worth while doing/ to do例: It's no use crying over spilt milk(覆⽔难收).2. It替代作主语的从句常见句型:(1) It is + noun +从句例: It is no secret that the president wants to have a second term at office.(2) It is adj. +clauseIt's surprising that… (should)………竟然……It's a pity/shame that…(should)………竟然……例: It's important that you should apologize to her for your rudeness.(=It's of much importance that you should apologize to her for your rudeness.)(3) It verb sb. + clause= It is v-ing + clauseIt+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze /bother/concern/frighten/please/anger sb. that…例: It worried me that she drove so fast.(= It was worrying that she drove so fast.)(4) It verb (to sb.) that…= sb/sth verb to do例: It (so) happened/chanced that they were out.(= They happened/chanced to be out.)(5) It is v-ed that…=sb/sth is to do(verb=say, report, think, believe, hope, expect, agree, accept, decide, determine, intend, plan, understand, know)例: It is said that the couple have gotten divorced.(=The couple are said to have gotten divorced.)(6) It is v-ed that … (should)…(verb=demand, request, require, order, suggest, advise, recommend例 It is suggested that they should begin with the third question.三、It作主语的句型1. It takes sb. … to do…(=sb takes…to do…)某⼈⽤多长时间做某事例: It took the men a week to mend our roof.(= The men took a week to mend our roof.)2. It's (just)(un)like sb. to do…(不)像某⼈做某事的风格例: It was (just) like him to think of helping us.3. It's (about/high) time that… should /v-ed…是该做某事的时候了例: It's(about/high) time that we should take action.4. It's the x-th time (that) … have v-ed…第⼏次做某事了例: It's the third time that he has failed the driving test.5. It is/has been… since …continuous v-ed(延续性动词) 某动作持续了多长时间例: It's 10 years since he lived here6. It was(not)… before…过(不)了多长时间某动作发⽣了例: It was not long before they arrived.四、It 作形式宾语⽤来替代作宾语的从句、动词不定式、动名词,⽽把真正作宾语的从句、动词不定式、动名词置于句尾。

it的用法归纳

it的用法归纳

it的用法归纳
1. 代词:it可以代替前面出现过的事物、物品、动物等,做主语、
宾语、表语等。

例句:I saw a bird in the tree. It was singing beautifully. (我看见了一只鸟在树上。

它唱得很美。

)。

2. 指示代词:it也可以作为指示代词,用来指代某一事物或物品。

例句:I want this book, not that one. Give me it.(我想要这
本书,不是那本。

给我它。

)。

3. 不定式:it可以作为不定式的形式,表示“它”的含义,一般表
示时间、天气等。

例句:It’s nice to see you again.(很高兴再次见到你。

)。

4. 表示真理或存在:it可以用来表示某件事或事物的存在或真相。

5. 表示强调:it可以作为强调句的主语,强调句子中重要的信息。

例句:It was him who broke the vase, not me.(是他打破了花瓶,不是我。

)。

6. 虚主语:it可以作为虚主语出现在句首,表示无人称、无性别的
动作或状态。

(完整版)It的用法总结

(完整版)It的用法总结

It的用法总结在英语中,it有许多不同的用法,它既可以用作代词(如人称代词、非人称代词),也可以用作引导词(作形式主语或形式宾语),还可以用来构成强调句型。

.it用作代词(1) 用作人称代词在句子中作主语或宾语;指前面已经提到过的事物、动物或人,且it指特定的事物;如果指前文中提到的事物中的任何一个,用one。

one可以与any, each, every, not等连用,但one不可代替不可数名词。

—where’s your car?—it’s in the garage. 你的汽车在哪儿呢?在车库里。

(指代物品your car)did you hit it? 你打中了吗? (指代事件)the baby cried when it was hungry.这婴儿饿时就哭。

(指代婴儿,尤指性别不详或无所谓时)—who is that?—it’s me. 是谁?我。

(指一定情景中所确定的人或事物,此时相当于指示代词,代指this和that,有时也指人)—what’s this?—it’s a box. 这是什么?一只箱子。

(2) 作非人称代词表示天气、日期、时间、温度、距离、价值、路程、度量、自然现象与环境等。

也可模糊地指一般情形或上文的部分或整个意思。

译成汉语时,it通常不一定译出来。

it’s a long time since they left. 他们走后很久了。

it’s two miles to the beach.离海滨有两英里远。

that’s just it—i can’t work when you’re making so much noise.原因就在这里——你弄出这么大的声音,我工作不了。

另外,需要注意两点:(1)“it’s time…”后面可以接不定式和介词短语表示“是做……的时候了”。

如:it’s time for supper. it’s time to have supper.(2) “it’s time…”后面还可以接一个从句,但是从句中的谓语动词一定要用过去式即虚拟语气,如:it’s time we had lunch.是我们吃饭的时候了。

超详细的It的用法归纳总结(附习题及答案)!

超详细的It的用法归纳总结(附习题及答案)!

超详细的It的用法归纳总结(附习题及答案)!
一、It是代词
指除人以外的一切生物和事物,用来指代时间、季节、天气距离、环境。

在这里,i是一个虚词,没有任何实际意义。

例如:
①It is a quarter to eight now.
现在是八点差一刻。

②It is midnight. 现在是午夜。

③It is time for breakfast.
现在是吃早饭的时间。

④-What is the date today?今天几月几号?
--It is December 3rd. 十二月三号。

⑤--What season is it?现在是什么季节?
--It is summer. 夏季。

⑥--What is the weather like today?
今天天气如何?
--It is fine.天气很好。

--It is foggy and wet.天气多雾又潮湿。

⑧How far is it from the bus station to your home? 从汽车站到你们家有多远?
⑨It is around five miles to the shopping center.从这儿到购物中心大约有五英里。

it的七种用法

it的七种用法

it的七种用法1.指代特定的事物或物体:"我正在使用这台电脑,它非常好用。

"拓展:"it"也可以指代不确定的事物或物体,特别是当我们无法或不想具体描述时。

例如:"我听到了什么声音,但我不知道是什么,我觉得有点可怕。

"2.指代动物,尤其是不知道其性别或不确定其性别时: "我看到一只猫,它在树上爬来爬去。

"拓展:"it"也可以用于指代婴儿或不确定性别的人。

3.指代强调上文所提到的事物或观点: "我买了一辆新车,我花了很多时间挑选,但它真的很值得。

"拓展:这种用法可以强调前面提到的具体事物或主题,并给予它更多的关注或认可。

4.被用作形式主语: "It's important to exercise regularly."拓展:在某些句子中,"it"可以用作形式主语,代表主语部分的内容,尤其是当真正的主语是以后出现时。

5.引导强调句: "It was John who broke the vase."拓展:在强调句中,"it"被用作形式主语,而真正的主语将被放置在句子的后部,以便强调。

6.用于指示时间、天气和环境条件: "It's raining outside."拓展:"it"在描述天气、时间或条件时,常用于英语中,例如:"It's getting late." "It's hot today."7.在某些习语中,表示状态或情感: "I'm over it." (我已经度过了这个困境)拓展:在某些习语或俚语中,"it"用于表示情感、状态或体验,并在一定程度上代表所描述的特定情况。

(完整版)It的用法总结

(完整版)It的用法总结

(完整版)It的用法总结It的用法总结在英语中,it有许多不同的用法,它既可以用作代词(如人称代词、非人称代词),也可以用作引导词(作形式主语或形式宾语),还可以用来构成强调句型。

.it用作代词(1) 用作人称代词在句子中作主语或宾语;指前面已经提到过的事物、动物或人,且it指特定的事物;如果指前文中提到的事物中的任何一个,用one。

one可以与any, each, every, not等连用,但one 不可代替不可数名词。

—where’s your car?—it’s in the garage. 你的汽车在哪儿呢?在车库里。

(指代物品your car)did you hit it? 你打中了吗? (指代事件)the baby cried when it was hungry.这婴儿饿时就哭。

(指代婴儿,尤指性别不详或无所谓时)—who is that?—it’s me. 是谁?我。

(指一定情景中所确定的人或事物,此时相当于指示代词,代指this和that,有时也指人)—what’s this?—it’s a box. 这是什么?一只箱子。

(2) 作非人称代词表示天气、日期、时间、温度、距离、价值、路程、度量、自然现象与环境等。

也可模糊地指一般情形或上文的部分或整个意思。

译成汉语时,it通常不一定译出来。

it’s a long time since they left. 他们走后很久了。

it’s two miles to the beach.离海滨有两英里远。

that’s just it—i can’t work when you’re making so much noise.原因就在这里——你弄出这么大的声音,我工作不了。

另外,需要注意两点:(1)“it’s time…”后面可以接不定式和介词短语表示“是做……的时候了”。

如:it’s time for supper. it’s time to have supper.(2) “it’s time…”后面还可以接一个从句,但是从句中的谓语动词一定要用过去式即虚拟语气,如:it’s time we had lunch.是我们吃饭的时候了。

“it”用法总结

“it”用法总结

3). It is necessary ( for sb. ) to do sth. 常见的形容词有:① important, necessary, natural ② easy , safe ,common ,normal ,hard , difficult ,dangerous , 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.
③被强调部分为人时,可用who(主格或宾格)和 whom(宾格)代替that,用that也行。 1) It was your father that/whom /who I met in the street yesterday. 2) It was I that/who met your father in the street yesterday.
3.2.作形式主语替代不定式
1). It takes sb. ... to do sth. "做...要花费某人.." It took thousands of people many years to build the Great Wall.
2). It is kind ( of sb. ) to do sth. 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 ,stupid , wise wrong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.

“It” 重点用法归纳

“It” 重点用法归纳

“It” 重点用法归纳一、it在特定句型中的运用1. It was/will be long(one week/two years ...)+before从句此句型可译为“很久(一周/两年后……)才……”。

如:It was long before he came back.很久以后他才回来。

It will not be long before we meet again. 不久我们就又会见面。

2. It is/has been/was + some time + since从句此句型可译为“自从……以来已经有多长时间了”。

如:It is / has been more than fifty years since the People’s Republic ofChina was founded.中华人民共和国成立已经有五十多年了。

It was three days since he had fallen ill. 他生病已经有三天了。

注意:①如果since从句中的谓语动词为延续性动词时, 应译为“自从不……以来已经有多长时间了”。

如:It is / has been seven years since I taught in this school.我离开这所学校已经有七年了。

②时态的把握:如果主句运用的是一般现在时或现在完成时,那么since 引导的从句用一般过去时;如果主句运用的是一般过去时,那么since引导的从句常用过去完成时。

3. It + be + the +序数词+ time + that从句此句型可译为“是某人第几次做某事了”。

如:It is the first time that I’ve spoken in public.这是我第一次公开发言。

注意:如果主句是一般现在时或一般将来时,从句用现在完成时;如果主句是一般过去时,从句用过去完成时。

4. It +be +具体时间+ when ...此句型可译为“当某事发生时,时间是在……”。

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

it用法完全归纳一、it 作人称代词的用法1. 指事物作为人称代词,it 可以除人以外的一切事物或动物。

如:I dropped my watch and it broke. 我把手表掉在地上摔坏了。

It’s hard work, but I enjoy it. 工作很辛苦,可是我乐意干。

“Where is the dog?” “It’s in the bedroom. ” “狗在哪?”“在卧室里”。

2. 指人it 指人主要用于指不性别不明的婴儿或用于确认某人的身份。

如:Is it a boy or a girl? 是男孩还是女孩?There is a knock on the door. It must be the postman. 有人在敲门,一定是邮递员。

【说明】在答语中,常用来指本人,如说It’s me。

3. 代替某些代词代词it 还可用于代替指示代词this, that 以及复合不定代词something, anything, nothing等。

如:“What’s this?” “It’s a new machine. ” “这是什么?”“是一种新机器”。

Nothing is wrong, is it? 没出什么问题,是吗?二、it 作非人称代词的用法1. 基本用法it 作非人称代词的用法,主要用于指时间、距离、价值、天气、气候及温度等自然现象。

如:It’s too late to go there now. 现在去那儿已经太迟了。

It rained all day yesterday. 昨天下了一天的雨。

It can get very hot here. 这里有时会很热。

2. 用于某些句型It’s time for sth. 该做某事了。

It’s time to do sth. 该做某事的时候了。

It’s time for sb to do sth. 某人该干某事了。

It’s (about / high) time + that-从句. 某人该做某事了。

(从句谓语用过去式,有时也用“should+动词原形”)It’s first (second) time + that-从句. 某人第几次干某事。

(从句谓语用现在完成时)It’s + 时间段+ since-从句. 自从……有一段时间了。

It’s a long time since he studied English 他好久没学英语了。

It’s + 时间段+ before-从句. 过多长的时间才……It's 9 o'clock before I went to bed.在我睡觉之前就是9点了。

三、it用作形式主语1.基本用法当不定式、动名词、从句等复杂成分用作句子主语时,为保持句子平衡,通常把真正的主语放在句末,而在句首使用形式主语it。

如:It’s very important to remember this. 记住这一点很重要。

It’s hard wor k climbing mountains. 爬山是费劲的事。

It’s unknown when he will come. 他什么时候来还不知道。

2.用作形式主语的的重要句型(1) It + be + adj. for (of) sb to do sth 某人做某事……It is hard for him to make up his mind. 他很难下定决心。

It was foolish of her to say such a thing. 她说那样的话,真是太蠢了。

【说明】介词of 与for 的区别是:of 用于指某人的性格、属性、特征等,介词for表示对象,意为“对……来说” (from )。

(2) It takes sb + 时间段+ to do sth. 某人做某事花了……时间It takes years to master a new language. 要花多年的时间才能掌握一门新的语言。

【说明】此句型可以有以下多变种变体:It took me an hour to write the letter. =The letter took me an hour (to write). =I took an hour to write the letter. 我写这封信花了一个小时。

(3) It is up to sb. to do sth. 该由某人做某事It’s up to you to make the choice. 得由你来作选择。

(4) I t look (seem, appear, happen, occur) that [as if]… 似乎……It seemed as though he didn’t recognize me. 他似乎没认出我来。

It happened that I was out when he called. 他打电话时我碰巧不在家。

(5)If it were not for… / If it hadn’t been for… 若不是因为……If it were not for their help, we couldn’t have got over the difficulties. 要不是他们帮助,这些困难我们不克服不了的。

四、it用作形式宾语1. 基本用法当不定式、动名词、从句等复杂成分用作宾语且其后跟有宾语补足语时,通常会在宾语补足语前使用形式宾语,而将真正的宾语移至句末。

其基本结构为“动词+it+宾语补足语+不定式(动名词或从句)”。

如:I find it difficult to do the job well. 我发现做好这件事不容易。

I think it best that you should stay here. 我认为你最好住这儿。

We think it no use complaining. 我们认为抱怨是没有用的。

2. 用作形式宾语的几个特殊结构(1)动词+ it + that-从句。

如:I like it that you came. 你来了,我很高兴。

I take it (that) he will come on time. 我认为他会准时来的。

You can put it that it was arranged before. 你可以说这是以前安排的。

Rumor has it that the defence minister will soon resign. 据传闻,国防部长不久就要辞职。

【说明】能用于此结构的动词不多,常见的有have, take, put, like 等。

(2)动词+ it + when (if)-从句。

如:I dislike it when you whistle. 我不爱听你吹口哨。

We really appreciate it when she offered to help. 她来帮忙了,我们十分感激。

I’d prefer it if I didn’t have to do so much work. 要是我不必做那么多工作,好就太好了。

【说明】能用于此结构的动词不多,常见的有enjoy, hate, love, like, dislike, appreciate, prefer 等。

(3)动词+ prep + it + that-从句。

如:See to it that you’re not late again. 注意千万不要再迟到。

Look to it that this doesn’t happen again. 注意不要再发生这种事。

You may rely on it that he’ll come to meet you. 你放心,他会来接你的。

I can’t answer for it that he will come. 我不能保证他会来。

【说明】能用于此结构的动词不多,常见的有see to, look to, insist on, stick to, depend on, answer for 等。

(4)动词+ it + 介词短语+ that-从句。

如:I owe it to you that I am still alive. 多亏有你我才仍然活着。

I took it for granted that he would help us. 我认为他会帮助我们的。

【说明】能用于此结构的动词不多,常见的有take it for granted, bring it to sb’s attention, owe it to sb. 等。

五、考查it 在强调句中的用法强调句的基本结构是:It+be+被强调部分+that(who)+其他部分。

如:It was yesterday that he got married. 他是昨天结婚的。

It was a computer that he bought last week. 他上个星期买的是一台电脑。

【特别提醒】对于强调句的复习要特别注意两种情形:1.当强调句有插入语或复杂修饰语时:It was lack of money, not of effort, that defeated their plan. 他们的计划受挫,原因是缺少钱而不是没有尽力。

It was more in sorrow than in anger that he criticized his former colleague. 他批评以前的同事,并非出于气愤而是为他惋惜。

2.当强调为特殊疑问句时:Who was it that won the World Cup in 1982? 谁赢得了1982年的世界杯?How long ago is it that you last saw her? 你上一次看见她是多久以前的事?。

相关文档
最新文档