高三复习之it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。
高中英语语法——It的用法
高中英语It的用法一、代词It1.用作人称代词，代替上文出现的同一个事物，既可以指代可数名词，也可以指代不可数名词, 其复数形式是them。
如：---Have you seen my pen? ---Yes, it’s in the desk.★ it可以指人，多指婴儿或指身份不明的人（通常是只闻其声，不见其人时）。
例如: ---Who is knocking at the door? ---It must be Tom.★ it与one和that的区别：one指代单数可数名词，泛指同类事物中的一个；其复数形式是ones，泛指一些。
如：I prefer a flat in east district to one in west district.that用来替代前面提到的特指事物，既可以指代单数可数名词，也可以指代不可数名词。
代替单数可数名词可以用the one替代。
其复数形式是those,指代复数名词，表特指。
如：The weather here is not so good as that there.The days in summer are longer than those in winter.2. it用以代替指示代词this和thatA：Whose umbrella is that?B：It’s Mary’s.3. it用作非人称代词，表示时间、日期、地点、天气、温度、距离、环境等。
It’s a beautiful day.It’s time for the meeting.课堂练习1. Tom's mother kept telling him that he should work harder, but ____didn't help.A. heB. whichC. sheD. it2. We’ve been looking at the houses but haven’t found ____ we like yet.A. oneB. onesC. itD. them3. The Parkers bought a new house but ____ will need a lot of work before they can move in.A. theyB. itC. oneD. which4. I was disappointed with the film. I had expected ________to be much better.A. thatB. thisC. oneD. it5. ---Do you like ___ here?---Oh, yes. The air, the weather, the way of life. Everything is so nice.A. thisB. theseC. thatD. it6. We need a new cupboard for the kitchen. So Peter made ____ from some wood we had.A. itB. oneC. himselfD. another答案：DABDDB二、引导词it1. it用作形式主语It is uncertain whether he can come to Jenny’s birthday party or not.It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.It is reported that 16 people were killed in the earthquake.It happened that I was out when he called.It’s necessary for the young to master two foreign language.It is no use arguing about the matter with him.2. it用作形式宾语动词+形式宾语+宾语补足语+真正的宾语。
高考英语it-的基本用法
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tha）＂ 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.
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．．．
高中英语it的用法的归纳总结
高中英语it的用法的归纳总结以下是关于 it 的用法的一些归纳总结:1. 当 it 作为形式主语时，常用动词不定式或名词形式充当主语，其后面通常会加上 for 或 to 引导的短语。
例如：- It"s important to study hard.(努力学习很重要。
)- It"s a beautiful day.(今天天气很好。
)- It"s difficult to imagine a better place to live.(无法想象一个更适合居住的地方。
)2. 当 it 作为形式宾语时，通常用不定式或名词形式充当宾语，并在其后加上 for 或 to 引导的短语。
例如：- I appreciate your help.(感谢你的帮助。
)- It"s a great opportunity for me to learn new skills.(这是一个我学习新技能的好机会。
)- It"s necessary to clean the room.(打扫房间有必要。
)3. 当 it 作为实义主语时，表示某一具体事物或人物。
例如： - It"s a beautiful day, isn"t it?(今天天气很好，是吗？) - It"s yours, isn"t it?(这是你的吗？)4. 当 it 作为强调句的结构时，通常位于句首，其后是句子的主要成分。
例如：- I don"t know who it was that called me yesterday.(我不知道昨天是谁给我打电话。
)- It was yesterday that I visited my grandmother.(昨天我去看望了我奶奶。
)5. 当 it 作为单数名词时，通常指某一类人或物中的一个。
例如：- It"s a police car.(这是一辆警车。
高考英语考点 15 It的用法
考点十五It的用法it作为代词用法非常灵活，可用于代替上文中提到的事物，代替上文中说到的一件事，代替不知情的人（尤其是不知身份、性别和姓名的人）。
也可用于表示时间、天气、距离、计算结果等。
还可用来代替不定式、动名词、从句等，充当形式主语或形式宾语。
一、用于指人以外的一切生物、无生命的东西和事情一般指说话者心目中已经了解或所指的生物、无生命的东西或事情，没有性别的区分；可以是可数名词，也可以是不可数名词，在句子中既可以作主语，也可以作宾语。
1. 指动物和植物。
☞ Look at that bird. It always comes to my window. 看看那只鸟。
它总是飞到我的窗前来。
2. 指代无生命的东西。
☞This is my watch. It’s made in Switzerland. 这是我的手表。
它是瑞士产的。
3. 代替上文提到过的整个事情。
☞Well, you mustn’t play on the road. It’s dangerous! 哦，你不能在马路上玩。
这是危险的！二、用于指代人1. 指代说话者心目中不太清楚的那个人，常在打电话或敲门时用。
☞—Who is knocking at the door? ——谁在敲门？—It’s me. ——是我。
2. 指说话者心目中的那个人。
☞—Look, someone is coming. Who can it be? ——看，有人过来了。
他可能是谁呢？—It may be the headmaster. ——可能是校长。
3. 在回答用指示代词表示人的特殊问句时，常用it指人。
☞—Who’s that? ——那人是谁？—Is it Helen? ——是海伦吗？—Yes, I think you’re right. It’s Helen. ——是的，我想你说对了，是海伦。
三、用于指时间、距离和自然现象等1. 表示时间。
☞—What’s the date? ——今天是几月几日？—It’s the third of March. ——今天是3月3日。
高考英语It的用法
高考英语It的用法It是高考英语中一个极其重要的词，其用法多样，在不同的语境中具有不同的意义。
下面我们将从it的用法、句型和固定搭配三个方面进行讲解。
一、it用作实词1、表示时间、天气、距离、温度等自然现象。
例如：It is Monday today.今天是星期一。
It is raining outside.外面正在下雨。
It is 5 kilometers away from here.距离这儿有5公里远。
2、表示观点、看法、态度等主观想法。
例如：I think it is a good idea.我认为这是一个好主意。
We think it is important to learn English well.我们认为学好英语很重要。
二、it用作形式主语当不定式、动名词或从句作主语时，为了保持句子结构平衡，避免头重脚轻，常用it作形式主语，代替不定式、动名词或从句，而把真正的主语放在句尾。
例如：It is important to learn English well.学好英语很重要。
It took me an hour to finish the homework.我花了一个小时完成作业。
三、it用作形式宾语当不定式、动名词或从句作宾语时，为了保持句子结构平衡，避免头重脚轻，常用it作形式宾语，代替不定式、动名词或从句，而把真正的宾语放在句尾。
例如：I think it is important to learn English well.我认为学好英语很重要。
He found it hard to learn English well.他发现学好英语很难。
四、it用于强调句型中强调句型是英语中一个重要的句型，用于突出强调某个成分，特别是主语、宾语和状语等。
在强调句型中，it没有实际意义，只是起到引导作用。
例如：It is I who am the best student in my class.我是班里最好的学生。
高三 高中It用法总结归纳
个性化教案学科：高中英语课时计划：2 课时年级：高三课题：高中英语It用法总结归纳学生姓名：教师姓名：陈莉教学目标总结归纳并掌握高中英语It用法教学重点总结归纳并掌握运用高中英语It用法教学难点掌握运用高中英语It用法授课类型归纳总结课教学过程教师活动It用法总结归纳一、人称代词1，it的最基本用法是作代词，主要指刚提到的事物，以避免重复:①They watched the train until it disappeared in the distance.2.，也可以指动物或婴儿(未知性别的婴儿或孩子):②Is this your dog？No, it isn’t.③They got a baby and it was a ten-pounder3.，也可指抽象事物或指抽象环境和情景:③I hate it when people talk with a full mouth.．二、.非人称代词1.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：⑴.指天气：It is a lovely day, isn’t it?⑵.指时间: It was nearly midnight when she came back.⑶.指日期:It is April First today.⑷.指距离:It is some 3000 kilometers from Beijing to Guangzhou.⑸.指价值:It is three dollars.⑹.指温度:Today it is 30 degrees centigrade.三、其他用法1.在句子的主语不太明确时充当主语，表示谁在做某事：①Who is it there? It's I (me/you/he.....).②I thought it was Mary, but it was not she.③Her face lighted when she saw who it was.2.泛泛的指某件事：(有时泛指一般情况)①It doesn’t matter.１②It is a shame, isn’t it?③How is it going?(情况怎样)④It says in the newspaper that......3.it用在一些词组中，it 没有特别的意思The last train's gone. Come on, we'll foot it.(来，咱们步行吧。
高中英语语法知识之It的用法总结
高考英语语法知识之It 的用法总结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，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 they that (who) cleaned the classroom yesterday. It was in the street that I met her father.2．It was 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 ...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。
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高三复习之it用法归纳（一）. it用作代词1. 代替前面提到的事物或事件。
“Where is the dog?”----It’s in the bedroom.I am sending you some advice. It might help you.He was late again. It made the teacher angry.2. 指人。
it指性别不明的婴儿或身份不确定的某人。
如：“Who is that?”----“It is me.”There is a knock on the door.----It must be the postman.3. 代替this, that或某些不定代词something, anything, nothing等。
如：What’s this?----It’s a new machine.Nothing is wrong, is it?4. it 作非人称代词的用法，主要用于指时间、日期、距离、天气、地点及温度等。
如：It is sunny today. It is Friday today.It’s 6 miles to the nearest hospital.It is very warm in the house. （二）. it用作形式主语当不定式、动名词、从句等作句子主语时，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：1. It + be + adj + for (of) sb to do sthof 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”It is hard for him to make up his mind.It is foolish of her to say such a thing.2. It is no good \ no use\ useless\ a waste of time + doing sth 做什么是没有用的\浪费时间In my opinion, it’s no use arguing with him.3. It +be + adj +主语从句…形容词有：obvious\ clear\amazing\ certain\ possible\true等。
形容词是:important\strange\necessary\essential等，主语从句中谓语动词用虚拟语气：(should )+ doIt is obvious that your painting is better than mine.It is necessary that we (should ) drink 500ml water every day.4. It +be + n +主语从句\to do…这是。
名词有：a pity\a shame\ a fact\ an honor\ no wonder\ one’ duty…It is a pity that he failed in the driving test again.5. It is + v-ed+主语从句…据说\报道\认为\建议。
动词过去分词有：said\ reported\ thought\ believed\ known\ announced\expected\acknowledged…注意①：It is suggested\recommended\ordered\commanded\required…that+( should) doIt is strongly recommended that effective measures should be taken to ban smoking.It is widely acknowledged that …. 这是公认的。
②句型的转换：It is said that Bell invented the telephone.Bell is said to have invented the telephone.Linda is said to be interviewing the famous star now.6. It is likely that… = Sb be likely to do\have done\to be doing 。
是可能的。
It is likely that the MH370 plane will be found one day.The MH370 plane is likely to be found one day.7. It struck\hit\occurred to sb that…某人突然想起。
It occurred to me that he had an important conference to attend the next morning8. It looks \seems\appears\ happens + that \ as if+从句… 这看似好像。
It seemed as though he didn’t recognize me.9. It turns out/turned out that…结果是。
证明是。
It turned out that he was right.10. It doesn’t\ didn’t make any difference \ made no difference (to sb) +主语从句…。
对某人来说（没）有影响、意义、作用、区别It makes no difference to me whether you will come or not.11. It doesn’t make sense to sb +主语从句…某人不懂\不明白。
It made no sense to me what you said.（三）. it用作形式宾语当不定式、动名词、从句等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：1.sb think\ believe\find\consider\feel\make…+ it + adj\n + to do \ doing\ that从句During his lecture, the scientist found it easy to explain the theory to the students.He makes it a rule that some gifts are given to his family after business.2.I would appreciate \ enjoy\ love\ like\ dislike \ hate it if you …I would appreciate it if you would like to teach me how to use the computer.I hate it when somebody speaks with mouthful.3. make it clear that…弄清楚4.depend on it that…相信，指望。
5.see to it that…确保，一定注意到6.take it for granted that…认为。
是理所当然的7.owe it to sb that…把。
归功于某人（四）. It 构成的关于时间的特殊句型1. It is the first\second\last… time that sb + have\has done 某人第几次干某事It was the first\second\last… time that sb + had doneIt is the first time that I have seen a 3D film.2. It’s (about / high) time + that sb + should do\ did 某人该做某事了It is high time that we should take \ took some measures to protect our earth.3. It was\ will be + 时间段+ before…过了多久才。
It wasn’t\ won’t\+ 时间段+ before…没过多久就。
It didn’t \ won’t take long before…没过多久就。
注意before 的翻译：It was two years before they met each other again.4. It takes\ took sb + 时间段+ to do sth. 某人做某事花了。
时间。
It takes years to master a new language.5. It is \has been + 时间段+ since+一般过去时自从。
有多长时间了。
It is\ has been two years since he graduated from school.6. It is\ was + 具体时间点+ when…当。
的时候是。
I still remember it was two years ago when I first worked as a volunteer.（五）. 强调句型：It is\was＋被强调部分＋that(who)＋其他该句型应注意以下几点：1. 时态。
强调句型中is\was的时态要和句子的时态保持一致。
2. 强调主语时要注意that后谓语动词单复数一致。
3. 强调not until时that 后不用倒装。
4. 特殊疑问句：Wh- is\was it that +其他?若为名词性从句时要把疑问语序变为陈述语序：wh- it is\was that①练习对此句中除谓语之外各个成分进行强调：Tom found the cat under the desk yesterday.②It is your efforts, not your intelligence, __________________ your success. (determine)决定你成功的是你的努力，而不是你的智力。
③It was not until he reached his office ________________the keys were gone. (find)直到他到办公室，他才发现钥匙不见了。