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It的基本用法

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it的用法

it的用法

语法：it的用法一.it 作人称代词1.it的最基本用法是作代词，指代前面所提到过的事情、事物、群体、想法，也可以指代未指明但谈话双方都明白的事情或情况。

如：The Parkers bought a new house but it will need a lot of work before they can move in.---I have broken a plate.---It (Breaking the plate) doesn’t matter.2.it也可以指代性别不明或性别被认为不重要的人或动物。

如：---Is it your dog？---No, it isn’t.二.it 作非人称代词1.指时间It is half past two now.2.指距离It is 6 miles to the nearest hospital.3.指温度It is very cold in the room.4.指天气A lovely day, isn’t it?/ It is a bit windy.5.指日期---What’s the date today? --- It’s May 1st, 2014.6.指季节It is winter now.7.指环境It was very quiet in the café.8.指价值---What’s the price of the T-shirt？---It is 150 yuan.三.it作形式主语1.it替代作主语的动词不定式（to do）(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, possible, right, important, polite, clear, obvious, useful, dangerous, legal, illegal等。

It的用法

It的用法

“It” 的用法1.“it”作代词。

“it”可替代物、动物、抽象事物，还可以代天气、时间、距离、环境、温度等。

也可指代上下文提到的事物或某种情况，以及不明身份、性别的人和小婴儿，也可用于电话用语中替代this或that。

E.g. ① It's fine today.(weather)② It's hot today. (temperature)③ It's four o'clock now. (time)④ It's only 200 metres from my home to our school.(distance)⑤ It's noisy outside.(circumstance)⑥ --Who is knocking at the door?--It must be John.(an unknown person)⑦ --Who is it speaking?--It's Mary.(making a phone call)2.“it”作形式主语。

（1）It be +adj. +(for sb.)+ to do sth.此处的adj.为描述事物的形容词。

如：easy, hard, difficult, necessary, possible, impossible, likely, right, wrong, important, etc.E.g. ① It's easy for us to climb the hill.② It's difficult for me to work out the maths problem.(2) It be +adj.+(of sb.)+to do sth.此处的adj.为描述人的形容词。

如：kind, nice, rude, cruel, careful, careless, silly, foolish, stupid, wise, crazy, etc.E.g. ① It's kind of you to help me with this problem.② It's foolish of you to believe in such a person.③ It's wise of you to choose to study abroad.(3). It be + adj.+ doing sth.It's no good/use doing sth.It's (well) worth doing.E.g. ① It's no good arguing with him.② It's no use crying over spilt milk.③ It's no good drinking too much wine.(4) It be +adj./n. +Clause.It's a pity that…It's a fact that…(It's) no wonder that…It's obvious that…It's certain that…It's strange/important/necessary that…(要用虚拟语气）(用should+动词原形)It worries/surprises sb. that…It seems/appears that…It turned out that…It (suddenly) occurred to sb. that…It strikes/struck sb. that…It's said/reported/believed… that…It doesn't matter whether…It makes no di fference whether…(5)其它句型。

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。

It的用法及典型句型归纳. 个人总结

It的用法及典型句型归纳. 个人总结

It的用法及典型句型归纳一、人称代词it的最基本用法是作代词，主要指刚提到的事物，想法，以避免重复;也可以指性别不明或性别被认为是不重要的人或动物；未指明但谈话双方都明白的事情或情况。

①They watched the train until it disappeared in the distance.②Is this your dog？No, it isn’t.③I hate it when people talk with a full mouth.．二、.非人称代词.it有时并不指具体的东西而泛指天气、时间、日期、距离、价值、度量、温度、环境等：It is a lovely day, isn’t it? // It was nearly midnight when she came back.It is April First today. // It is some 3000 kilometers from A to B.It is three dollars. // Today it is 30 degrees centigrade.三、作形式主语，替代主语从句，动词不定式，或动名词短语1.作形式主语替代主语从句⑴It is clear ( obvious，true，possible，certain....) that＂┅清楚的（显然的，真的，可能的,肯定的．．．）＂⑵It is important ( necessary，right，strange，natural...) that + (should ) do (虚拟语气)┅是重要的(必要的,对的,奇怪的,自然的┅)⑶It is said (reported/ learned/believed/thought/known/told/hoped.....) that= sb / sth is said (reported/ believed /thought…) to do( to be doing/ to have done) sth＂据说（据报道，据悉．．．）＂。

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。

it的七种用法

it的七种用法

"IT" 这个缩写有多种用法，以下是其中七种常见的用法：
1. 信息技术（Information Technology）：这是最常见的用法，指的是利用计算机和通信技术来处理、存储、传输和管理信息的领域。

2. 互联网技术（Internet Technology）：这是指与互联网相关的技术，包括网页设计、网络编程、网络安全等。

3. 信息技术产业（Information Technology Industry）：这是指生产和销售信息技术产品和服务的行业，包括计算机硬件、软件、通信设备等。

4. 信息技术部门（Information Technology Department）：这是指企业或组织内部负责管理和维护信息技术系统的部门。

5. 信息技术专业（Information Technology Major）：这是指大学或学院中培养信息技术人才的专业，包括计算机科学、信息管理等。

6. 信息技术服务（Information Technology Services）：这是指提供信息技术支持和维护服务的公司或组织，包括网络管理、数据备份等。

7. 个人信息技术（Personal Information Technology）：这是指个人使用的信息技术设备和应用，包括智能手机、平板电脑、个人电脑等。

以上是 "IT" 的七种常见用法，当然还有其他一些不太常见的用法。

It 的 用法(共16张PPT)

What was it that the man in black 我向老师保证，要不了几个月我就能掌握高考的全部词汇。
Not until I graduated from the university did I see him.
robbed me of near the school last Don’t take it for granted
It was near the school that the man in black robbed me of my mobile phone last year because of my carelessness.
children in poor areas have access Don’t take it for granted
the school last year because of my carelessness.
Who was it that robbed me of my mobile phone near the school last year because of my carelessness.
强调句的特殊疑问句
school because of my carelessness.
When was it that the man in black robbed me of my mobile phone near the school because of my carelessness.
强调句的特殊疑问句
学校规定，考试中作弊的学生将受到严惩。 The school makes it a rule that those
who cheat in the exams will be seriously punished.

人称代词it的用法总结

人称代词it的用法总结人称代词在英语中起着非常重要的作用，它们可以替代特定的名词或名词短语，以避免过多重复。

其中一个常见的人称代词就是"it"。

下面将详细总结"it"在不同情况下的用法。

一、指示事物或物体1. 指代单数名词：当我们第一次提到某个具体事物或物体时，可以使用"it"来指代。

例如：- Look at the beautiful flower! It is in full bloom.- The new car is expensive, but it's worth every penny.2. 指代抽象事物：当我们谈论关于天气、环境或其他抽象概念时，也可以使用"it"来指代。

例如：- It is raining heavily today.- It seems that there will be a storm tonight.3. 表示距离或方位：当我们谈论远处或方向时，常使用"it"来表示。

例如：- I can see the lake from here. It looks beautiful.- Turn left at the next intersection. It's just around the corner.二、指示时间和日期1. 表示时间：当我们描述时间时，可以使用人称代词"it"。

例如：- Is it already 10 o'clock? We need to hurry.- It's late, we should go home now.2. 指示日期：当我们谈论某个具体的日期时，也可以使用"it"。

例如：- I have an important meeting on Friday. It's going to be a long day.- The party is on Saturday night. It starts at 8 o'clock, so don't be late.三、指代动物和婴儿1. 指代动物：当我们不知道或不关心动物的性别时，可以使用"it"来指代动物。

it的用法


常见的固定用法有: make it 成功，安排在或定在某时间 forget it 别提了，忘了它吧 Don’t mention it 别提了，表示不用谢 It doesn’t matter 没关系 It(That) depends 视情况而定 You guessed it 你猜着了 It’s hard to say 很难说 It’s up to you to do sth.由你来决定做某事 I would appreciate it if... 如果……我将不胜感激。
5. It takes sb. ... to do sth. “做...要花费某人...” 成千上万的人们花了好些年才建好了长城。
It took thousands of people many years to build the Great Wall.
6. It doesn’t matter whether ( if ) ...
It is necessary that he (should) remember these words.
13. It is suggested/ordered /demanded/insisted/ commanded...+that 从句(should) do sth. 人们建议会议推迟。
It is suggested that the meeting ( should ) be put off. 有命令说我们要在两个小时内到达那里。
12. It is important / necessary/strange/ natural...+ that 从句(should) do sth. 我们学好英e (should) learn English well.
他把这些单词记好是很必要的。

it用法总结ppt课件

3). It be ... before ... 该句型主句中的 it 指时间， 主句中的时态常是一般将来时或过去 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.
8
2）.It is +v-ed +that 从句 ① It is said (reported， learned....) that ...
据说（据报道，据悉．．．）“。 It is said that he has come to Beijing.
②. It is suggested ( ordered /demanded/insisted/commanded... ) that ...
②. It is important ( necessary， right， strange， natural...) that ... 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 time that children went to bed.
② It is the first ( second ... ) time that ... “是第一（二）．．．次．．．”。
It is the first time I have been here. = This is the first time I have been here.
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注意：It
is… for sb. to do sth.
It is …of sb. to do sth.
It + be + adj. for sb to do sth 某人做某事……
It + be + adj. 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”
我有一本词典，但把它借给玛丽了。
I haven’t a dictionary; can you lend me one? 我没有词典，你能借我一本吗?
II. It用于强调句型；
It is/was+被强调部分（通常是主语、宾语，状语） +that/who+句子的其余成分。
如： I met a strange man in the street 主语 宾语 地点状语
常见的有: take it for granted, bring it to sb’s attention, owe it to sb 等。
IV. It用于
某些固定句式；
指时间时用于下列句型 ⑴ It + be + some time + since 短语或从句 It is a long time since the last meeting. It is (has been) fifteen years since he left. 注意：若从句中谓语动词是非延续性动词，意为 “做某事已有多长时间”。 若从句中谓语动词是延续性动词，意为 “不做某事已有多长时间”。 It’s two years since he joined the army. 参 军 It’s two years since heห้องสมุดไป่ตู้was in the army. 伍 退 It’s two years since she got married. 结 婚 It’s two years since she was married. 离 婚
-- It is me.
注意：表示未知或面目不详，身份不明的人。 Who is it speaking? (打电话用语)
４指时间、距离、地点、天气、温度、环境等 --What’s the time now? --It’s ten past eight. （时间） It was very quiet in the café. （环境） It’s about ten minutes’ walk from here. （距离）
4. 动词 + it + 介词短语+ that
I took it for granted that he would help us. 我认为他会帮助我们的。 If you dare cheat again, I will bring it to your mother's attention. 如果你敢再作弊,我会将此 事告知你妈妈。
误用形式主语的几种情形
(1) 在该用it作形式主语的地方而误用其他词：
Is __ necessary to tell his father everything?
A. it
B. that
C. what
D. he
此题的正确答案应是A (it用作形式主语)， 而不能选D。 (2) 在不该用形式主语的地方而误用形式主语： _ must be something wrong with the machine. A.There B. It C. He D. That
A. it B. that C. these D. them
常见的有enjoy, hate, love, like, dislikeappreciate, prefer 等。
2. I’d appreciate _ if you would turn the radio down.
A. that C. this B. it D. you
yesterday.
时间状语 注意：强调句强调除谓语以外的所有成分。
Is / Was it +被强调部分+that /who…? When .Where How Why+is was it that…?
Who was it that you met in the street yesterday?
It was already nine o’clock when we got home.
(4)It is (was) time for sth. It is (was) time to do sth. It is (was) time for sb. to do sth. It is (was) time that 从句(虚拟语气) It’s time for lunch. 该吃午饭了。 It’s time for us to have a rest.是休息的时候了。 It’s time that we went home. 该回家了。 （should go）
III. It 形 式 作 用 ： 形式主语, 形式宾语;
1.作形式主语，代表动词不定式、
动名词或主语从句
It is important to study English. It is no use crying over spilt milk. It is a pity that you’ve missed such a wonderful film. (主语从句)
两者均可代替前面提到的事物，区别是：
it指的是与前面已提到的事物为同一物，
此时的it等于“the (this, that, my...)+名词”；
而one 指的是与前面已提到的事物为同一类物，
此时的one等于“a+名词”。比较：
I have a dictionary but I’ve lent it to Mary.
相关链接 1.Was it in this place ___ the last emperor died? A. that B. what C. in which D. where 2.___ was simply for the reason ___ I wouldn’t tell him the truth. A. This, which B. That, so C. It, that D. This, why 3.--________ makes her different from the other students? --Honesty, I think. A. How is it that B. How is that C. What is it that D. What is that
前一句填C，as用以引导一个非限制性定语从句；后一句填A，it 为形式主语，真正的主语是其后的that从句。
______ is difficult to persuade her to stay.
______ is difficult is to persuade her to stay.
A. It B. What C. He D. That
2. 动词 + it + when (if)-从。
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。 ［链接高考］ 1. I hate ______ when people talk with their mouths full.(1998年NMET)
it用作形式宾语的四个特殊句式
1. 动词+ it + thatI 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。
常见的有:
have, take, put, help 等。
５、指代整个句子的内容
a. Her mother kept telling her not to go out at night,
but it didn’t help. b. --We’ve been invited to the ball at the palace.
--Really? I can’t believe it.
［链接高考］
Helen is much more kind to her youngest child than to the others, _______ of course, makes the others
unhappy.
A. who
B. she
C. which
D. that
指物时与one的区别
It 用法完全归纳
考点目标
I. It 指代作用 II. It用于强调句型； III. It形式作用：形式主语,形式宾语; IV.It用于某些固定句式；
I、It 指代作用
1.用于指代事物
This is not my book. It is Mary’s.
2.用于指代动物，婴儿 --Whose jacket is that? It is hers. ３.用于指人 --Who’s knocking at the door?
前一句填A，it为形式主语；后一句填B，what用以引导主语从句。 注意后一句比前一句在不定式前多了个is