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Section Ⅲ　Grammar —— 人称代词it
①It allowed the previously unfilmable to become a reality.
②In this situation， it is clear that viewers will not be disappointed！
③One may think that it is the book writer who is in the best position to do film adaptations.
④This can actually be a disadvantage because they may be too close to the material and find it difficult to adapt to a new form.
【我的发现】
1.句①中it在句中用作虚　　　　；
2.句②中it在句中用作形式　　　　；
3.句③中it在句中用于　　　　；
4.句④中it在句中用作形式　　　　。
　　it是一个第三人称单数代词。它不仅可以指代人也可以指代物；不仅可以指时间和距离也可以指自然现象和自然环境；不仅可以用作形式主语也可以用作形式宾语等。现将其主要用法分述如下：
一、用作人称代词
1.用于指事物
it用作人称代词最基本的用法就是代替前面已提到过的事物，以避免重复，it可用作句子的主语或宾语。
This is my watch.It’s a Swiss one.
这是我的手表，它是瑞士制的。
Where is my dictionary？ I left it right on the desk.
我的词典在哪里？我就把它放在书桌上了。
2.用于指动物或性别不明的婴儿
“Where is the cat？” “It’s under the bed.”
“猫在哪儿？”“在床下。”
They got a baby and it was very lovely.
他们生了个宝宝，很可爱。
3.用于指上文提到的情况
（2024·新课标Ⅰ卷）The natural beauty around us was so inspiring， and it made the whole process very enjoyable. （活动介绍）
我们身边的自然美景是如此令人振奋，它让整个过程变得非常愉快。
Her mother kept telling her not to go out at night， but it didn’t help.
她母亲总是告诉她晚上不要出去，但是没用。
4.用于指人
it用于指人时主要用于确定未知人的身份。
“Who is it？” “It’s me.”“是谁啊？”“是我。”
“Listen.Someone is crying.” “Oh， it must be Mary.”
“听，有人在哭。”“噢，一定是玛丽。”
Someone must have been here.But we have no idea who it was.
一定有人来过这里，但我们不知道是谁。
5.指人时与he和she的区别
当it用于指人时，主要用于确定未知的或者是身份不明的人，若是指已知的或身份明确的人，则应根据情况使用he或she。
I hear a knock at the door.It must be the postman.
我听见有人在敲门，一定是邮递员。
Jim is at the door.He wants to see you.
吉姆在门口，他想见你。
A tall man stood up and shook hands with her.It was the general manager.
一个高个子站起来同她握了手，他是总经理。
The general manager just called.He told us to wait for him at the gate.
总经理刚来过电话，他叫我们在门口等他。
6.指物时与one的区别
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”。
I have a dictionary but I’ve lent it to Mary.
我有一本词典，但我把它借给玛丽了。
I haven’t a dictionary； can you lend me one？
我没有词典，你能借我一本吗？
二、用作虚主语或虚宾语
1.用于指代时间
It’s already nine o’clock.
已经9点了。
It’s three years since he left here.
他离开这儿已有三年了。
2.用于指代距离
It’s a long way from here.
从这儿去很远。
How far is it from here to the station？
从这儿去车站有多远？
3.用于指代环境
It’s noisy in here.
这里面很嘈杂。
It was very quiet in the garden.
花园里很安静。
4.用于指代天气等自然现象
It’s very cold today.
今天很冷。
It’s 37℃ today.
今天的气温是37摄氏度。
5.用于笼统地谈论某情况
I cannot help it.
我没办法了。
“How’s it going？” “Well， not so good.”
“情况如何？”“嗯，不是很好。”
6.用于某些习语中
（1）make it及时赶到；成功，办成
You can make it if you hurry.
如果你快点的话就可以及时赶到。
He wants to make it as a writer.
他想成为一名作家。
You needn’t worry； he will make it.
你不必担心，他会办成的。
（2）catch it 被责骂，受处罚
If I come home late I’ll catch it from my mother.
如果我回家晚了，我妈妈会责骂我。
【即时演练1】　单句语法填空
①　　　　　　 has been 5 years since they were dusty little rooms with books.
②　　　　　　 was just after sunrise on a June morning.
③The flight leaves in twenty minutes — we’ll never make 　　　　　　.
三、用作形式主语
　　it用作形式主语，所代替的是句子的逻辑主语，并无实际词义。这样可以保持句子的结构平衡，避免主语太长，显得头重脚轻。当从句、动词不定式或动词-ing形式作主语时，可以用it作形式主语。
1.代替从句作形式主语
it常用于以下句式：
（1）It＋be＋形容词＋从句
It is necessary that the work should be done well.
这项工作必须做好。
（2）It＋be＋名词＋从句
It is a pity that I didn’t think of it earlier.
我没有早一点这么想，真是遗憾。
（3）It is said/reported/believed/hoped/suggested that ...据说/据报道/人们相信/人们希望/有人建议……
It is said that she lived to be over 100.
据说她活了100多岁。
（4）It seems/appears that ...似乎……
It seems that most houses have been destroyed.
似乎大多数房屋都被毁坏了。
（5）It happened that ...碰巧……
It happened that the tickets were sold out.
碰巧票都卖光了。
（6）It turns out that ...结果是……
It turns out that the situation is quite serious.
结果情况很严峻。
（7）It occurred to sb that ...某人突然想起……
It occurred to her that she might adopt a child.
她突然想起她可以收养一个孩子。
2.代替动词-ing形式（短语）作形式主语
it常用于以下句式：
（1）It’s no use/no good/no fun/a waste of time doing sth 做某事没有用/没有好处/没有意思/是浪费时间的
It is no use giving him some advice.
给他提建议没有用。
（2）It is＋形容词＋doing sth
It’s pleasant sitting here.
坐在这里很愉快。
3.代替动词不定式短语作形式主语
it常用于以下句式：
（1）It＋be＋形容词＋to do sth
It is impossible to get there by boat.
坐船不可能到那里。
（2）It＋be＋形容词＋for sb/of sb＋to do sth
It is kind of you to help me out.
你帮助我摆脱了困境，真是太好了。
（3）It＋be＋名词＋to do sth
It is our duty to protect the environment.
保护环境是我们的责任。
【即时演练2】　单句语法填空
①It is never too late 　　　　　　　　（mend）.
②It is no use 　　　　　　（talk） to them.
③I have learnt what a big responsibility it is 　　　　　　　　 （educate） us.
④I know 　　　　　　is important to know my own limitations.
⑤It 　　　　　　　　（know） to us that he is one of the most famous football players in the world.
⑥It never occurred to me 　　　　　　you could succeed in persuading him to change his mind.
四、用作形式宾语
　　当动词不定式、动词-ing形式（短语）或从句在句子中作宾语时，为了保持句子的结构平衡，常用it作形式宾语，而将真正的宾语放在句子后面。it作形式宾语的常用句式有：
1.主语＋find/think/feel/make/consider/believe＋it＋名词/形容词＋（for/of sb） to do/that ...；其中for或of引出动词不定式的逻辑主语。
I don’t feel it difficult to understand English.
我觉得理解英语并不难。
They found it pleasant that they worked with us Chinese.
他们发现与我们中国人一起工作很愉快。
2.主语＋find/think/feel/consider/believe＋it＋no use/no good＋doing sth。
Do you think it any good trying again？
你觉得再试一次有用吗？
3.enjoy，like，dislike，love，hate，prefer，appreciate等动词后通常先接it作形式宾语，然后再接when或if引导的从句。
I hate it when my mother asks me to eat eggs.
我讨厌母亲要我吃鸡蛋。
I would prefer it if you didn’t tell anyone.
我希望你别告诉任何人。
【即时演练3】　单句语法填空/完成句子
①No matter where he is， he makes 　　　　　　a rule to go for a walk before breakfast.
②I’d appreciate 　　　　　　if you can help me figure out this problem.
③As a doctor， I consider it my duty 　　　　　　　　（cure） the patients of their diseases.
④I don’t think 　　　　　　possible to master a foreign language without much memory work.
⑤I think it no use 　　　　　　（urge） him to give up smoking.
⑥The chairman 　　　　　　　　　to invite Professor Smith to speak at the meeting.
主席认为有必要邀请史密斯教授在会上发言。
五、用于强调句
1.基本句型结构
it用于强调句的基本句型结构为：It＋be＋被强调部分＋that/who＋句子其他部分。
It was in Japan that he came across his old friend.他是在日本遇见了他的老朋友。
It was yesterday that he got married.
他是在昨天结的婚。
It was a computer that he bought last week.
他上个星期买的是一台电脑。
2.使用强调句应注意的几点
（1）强调主语时，that后谓语动词的数应与被强调的主语保持一致。
It is I who am right.我是对的。
It was you that were wrong.
是你错了。
（2）不要想当然地用he， she， that等代替强调句中的it。
It was in this city that he met his girlfriend.
就是在这个城市他遇见了他的女朋友。
【即时演练4】　单句语法填空
①　　　　　　 was only when the car pulled up in front of our house that we saw Lily in the passenger seat.
②　　　　　　 was when I got back to my apartment that I first came across my new neighbours.
③You are waiting at a wrong place.It is at the hotel 　　　　　　the coach picks up tourists.
维度一：基础题型练
1.　　　　　　 is likely that they will be fired by the company because of their fault.
2.Many parents find it difficult 　　　　　　（have） regular conversations with their children.
3.It doesn’t interest me 　　　　　　you come or not.
4.　　　　　　 was not until midnight that it stopped raining.
5.It is necessary 　　　　　　　　（learn） something about the use of “it”.
6.I find 　　　　　　interesting to explore the unknown world.
7.It is no use 　　　　　　（cry） over spilt milk.
8.It struck me 　　　　　　the boss was behaving pretty strangely.
9.　　　　　　 was a handbag that John gave Mary at Christmas.
10.It was because of the bad weather 　　　　　　　　the football match had to be put off.
维度二：语法与写作
1.被邀请来作评论，我深感荣幸。（it作形式宾语；honour）
I feel 　　　　　　　　　　　　　　　　to make a comment.
2.在大自然中画画感觉很棒。（it作形式主语）
　　　　　　　　　　 to be surrounded by nature while painting.
3.我认为当我们的父母变老时，照顾他们是我们的职责。（feel＋it＋宾语补足语＋真正的宾语）
I 　　　　　　　　　　　　our parents when they get old.
4.外面的噪声使他难以把注意力集中在实验上。（it作形式宾语）
The outside noise made 　　　　　　　　　　　　　　　　　　on the experiment.
5.正是出于这个原因，我提前毕业了。 （强调句）
　　　　　　　　　　　　 I graduated in advance of schedule.
6.我很难习惯在一周内完成这么多作业。（it作形式主语； get used to doing）
　　　　　　　　　　　　　　　　　　 so much homework in a week.
维度三：语段练习
1.　　　　　　　　　　　　　　　 （昨天是星期天）.I stayed at home with my parents.2.　　　　　　　　 （天气晴朗） outside and I decided to go out with them.3.　　　　　　　　　　　　　　　　　　　　　　　　　　 （众所周知，伦敦有很多旅游景点）.First， we visited the London Tower， which stands on the southeast of Tower Mountain.4.　　　　　　　　　　　　　　　　 （它曾经是一座宫殿）， and 5.　　　　　　　　　　　　 （它现在是展览中心）.Then， we watched the famous “Big Ben”.6.　　　　　　　　　　　　 （它重达12吨） and its big pendulum （钟摆） is about 305 kilograms.7.　　　　　　　　　　　　　　 （是在Hyde Park我们遇到了Mike）， a friend of my father’s.He changed so much that my father 8.　　　　　　　　　　　　　　　 （发现很难认出他来） at first sight.They talked a lot.At 2：00 pm， we went home happily.
Section Ⅲ　Grammar —— 人称代词it
【重难语法·要攻克】
我的发现
1.主语　2.主语　3.强调　4.宾语
即时演练1
①It　②It　③it
即时演练2
①to mend　②talking　③to educate　④it　⑤is known　⑥that
即时演练3
①it　②it　③to cure　④it　⑤urging
⑥thinks/thought it necessary
即时演练4
①It　②It　③that
【素养提升·重练习】
维度一
1.It　2.to have　3.whether　4.It　5.to learn　6.it
7.crying　8.that　9.It　10.that
维度二
1.it a great honour to be invited
2.It felt amazing
3.feel it our duty to look after
4.it difficult for him to concentrate
5.It was for this reason that
6.It’s hard for me to get used to doing
维度三
1.It was Sunday yesterday　2.It was sunny
3.It is well known that there are many tourist attractions in London
4.It was once a palace　5.it is now an exhibition center
6.It weighs about 12 tons
7.It was in Hyde Park that we met Mike
8.found it hard to recognise him
8 / 8(共42张PPT)
Section Ⅲ
Grammar —— 人称代词it
目 录
01
重难语法·要攻克
02
素养提升·重练习
重难语法·要攻克
①It allowed the previously unfilmable to become a reality.
②In this situation， it is clear that viewers will not be disappointed！
③One may think that it is the book writer who is in the best position to do
film adaptations.
④This can actually be a disadvantage because they may be too close to the
material and find it difficult to adapt to a new form.
【我的发现】
1. 句①中it在句中用作虚 ；
2. 句②中it在句中用作形式 ；
3. 句③中it在句中用于 ；
4. 句④中it在句中用作形式 。
主语　
主语　
强调　
宾语　
　　it是一个第三人称单数代词。它不仅可以指代人也可以指代物；
不仅可以指时间和距离也可以指自然现象和自然环境；不仅可以用作
形式主语也可以用作形式宾语等。现将其主要用法分述如下：
一、用作人称代词
1. 用于指事物
it用作人称代词最基本的用法就是代替前面已提到过的事物，以避免
重复，it可用作句子的主语或宾语。
This is my watch.It’s a Swiss one.
这是我的手表，它是瑞士制的。
Where is my dictionary？ I left it right on the desk.
我的词典在哪里？我就把它放在书桌上了。
2. 用于指动物或性别不明的婴儿
“Where is the cat？” “It’s under the bed.”
“猫在哪儿？”“在床下。”
They got a baby and it was very lovely.
他们生了个宝宝，很可爱。
3. 用于指上文提到的情况
（2024·新课标Ⅰ卷）The natural beauty around us was so inspiring， and
it made the whole process very enjoyable. （活动介绍）
我们身边的自然美景是如此令人振奋，它让整个过程变得非常愉快。
Her mother kept telling her not to go out at night， but it didn’t help.
她母亲总是告诉她晚上不要出去，但是没用。
4. 用于指人
it用于指人时主要用于确定未知人的身份。
“Who is it？” “It’s me.”
“是谁啊？”“是我。”
“Listen.Someone is crying.” “Oh， it must be Mary.”
“听，有人在哭。”“噢，一定是玛丽。”
Someone must have been here.But we have no idea who it was.
一定有人来过这里，但我们不知道是谁。
5. 指人时与he和she的区别
当it用于指人时，主要用于确定未知的或者是身份不明的人，若是指
已知的或身份明确的人，则应根据情况使用he或she。
I hear a knock at the door.It must be the postman.
我听见有人在敲门，一定是邮递员。
Jim is at the door.He wants to see you.
吉姆在门口，他想见你。
A tall man stood up and shook hands with her.It was the general manager.
一个高个子站起来同她握了手，他是总经理。
The general manager just called.He told us to wait for him at the gate.
总经理刚来过电话，他叫我们在门口等他。
6. 指物时与one的区别
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”。
I have a dictionary but I’ve lent it to Mary.
我有一本词典，但我把它借给玛丽了。
I haven’t a dictionary； can you lend me one？
我没有词典，你能借我一本吗？
二、用作虚主语或虚宾语
1. 用于指代时间
It’s already nine o’clock.
已经9点了。
It’s three years since he left here.
他离开这儿已有三年了。
2. 用于指代距离
It’s a long way from here.
从这儿去很远。
How far is it from here to the station？
从这儿去车站有多远？
3. 用于指代环境
It’s noisy in here.
这里面很嘈杂。
It was very quiet in the garden.
花园里很安静。
4. 用于指代天气等自然现象
It’s very cold today.
今天很冷。
It’s 37℃ today.
今天的气温是37摄氏度。
5. 用于笼统地谈论某情况
I cannot help it.
我没办法了。
“How’s it going？” “Well， not so good.”
“情况如何？”“嗯，不是很好。”
6. 用于某些习语中
（1）make it及时赶到；成功，办成
You can make it if you hurry.
如果你快点的话就可以及时赶到。
He wants to make it as a writer.
他想成为一名作家。
You needn’t worry； he will make it.
你不必担心，他会办成的。
（2）catch it 被责骂，受处罚
If I come home late I’ll catch it from my mother.
如果我回家晚了，我妈妈会责骂我。
【即时演练1】　单句语法填空
① has been 5 years since they were dusty little rooms with books.
② was just after sunrise on a June morning.
③The flight leaves in twenty minutes — we’ll never make .
It　
It　
it　
三、用作形式主语
　　it用作形式主语，所代替的是句子的逻辑主语，并无实际词义。
这样可以保持句子的结构平衡，避免主语太长，显得头重脚轻。当从
句、动词不定式或动词-ing形式作主语时，可以用it作形式主语。
1. 代替从句作形式主语
it常用于以下句式：
（1）It＋be＋形容词＋从句
It is necessary that the work should be done well.
这项工作必须做好。
（2）It＋be＋名词＋从句
It is a pity that I didn’t think of it earlier.
我没有早一点这么想，真是遗憾。
（3）It is said/reported/believed/hoped/suggested that ...据说/据报道/人
们相信/人们希望/有人建议……
It is said that she lived to be over 100.
据说她活了100多岁。
（4）It seems/appears that ...似乎……
It seems that most houses have been destroyed.
似乎大多数房屋都被毁坏了。
（5）It happened that ...碰巧……
It happened that the tickets were sold out.
碰巧票都卖光了。
（6）It turns out that ...结果是……
It turns out that the situation is quite serious.
结果情况很严峻。
（7）It occurred to sb that ...某人突然想起……
It occurred to her that she might adopt a child.
她突然想起她可以收养一个孩子。
2. 代替动词-ing形式（短语）作形式主语
it常用于以下句式：
（1）It’s no use/no good/no fun/a waste of time doing sth 做某事没有用
/没有好处/没有意思/是浪费时间的
It is no use giving him some advice.
给他提建议没有用。
（2）It is＋形容词＋doing sth
It’s pleasant sitting here.
坐在这里很愉快。
3. 代替动词不定式短语作形式主语
it常用于以下句式：
（1）It＋be＋形容词＋to do sth
It is impossible to get there by boat.
坐船不可能到那里。
（2）It＋be＋形容词＋for sb/of sb＋to do sth
It is kind of you to help me out.
你帮助我摆脱了困境，真是太好了。
（3）It＋be＋名词＋to do sth
It is our duty to protect the environment.
保护环境是我们的责任。
【即时演练2】　单句语法填空
①It is never too late （mend）.
②It is no use （talk） to them.
③I have learnt what a big responsibility it is （educate）
us.
④I know is important to know my own limitations.
⑤It （know） to us that he is one of the most famous
football players in the world.
⑥It never occurred to me you could succeed in persuading him to
change his mind.
to mend　
talking　
to educate　
it　
is known　
that　
四、用作形式宾语
　　当动词不定式、动词-ing形式（短语）或从句在句子中作宾语
时，为了保持句子的结构平衡，常用it作形式宾语，而将真正的宾语
放在句子后面。it作形式宾语的常用句式有：
1. 主语＋find/think/feel/make/consider/believe＋it＋名词/形容词＋
（for/of sb） to do/that ...；其中for或of引出动词不定式的逻辑主语。
I don’t feel it difficult to understand English.
我觉得理解英语并不难。
They found it pleasant that they worked with us Chinese.
他们发现与我们中国人一起工作很愉快。
2. 主语＋find/think/feel/consider/believe＋it＋no use/no good＋doing
sth。
Do you think it any good trying again？
你觉得再试一次有用吗？
3. enjoy，like，dislike，love，hate，prefer，appreciate等动词后通常
先接it作形式宾语，然后再接when或if引导的从句。
I hate it when my mother asks me to eat eggs.
我讨厌母亲要我吃鸡蛋。
I would prefer it if you didn’t tell anyone.
我希望你别告诉任何人。
【即时演练3】　单句语法填空/完成句子
①No matter where he is， he makes a rule to go for a walk before
breakfast.
②I’d appreciate if you can help me figure out this problem.
③As a doctor， I consider it my duty （cure） the patients of
their diseases.
④I don’t think possible to master a foreign language without
much memory work.
⑤I think it no use （urge） him to give up smoking.
it　
it　
to cure　
it　
urging　
⑥The chairman to invite Professor Smith
to speak at the meeting.
主席认为有必要邀请史密斯教授在会上发言。
thinks/thought it necessary　
五、用于强调句
1. 基本句型结构
it用于强调句的基本句型结构为：It＋be＋被强调部分＋that/who＋句
子其他部分。
It was in Japan that he came across his old friend.
他是在日本遇见了他的老朋友。
It was yesterday that he got married.
他是在昨天结的婚。
It was a computer that he bought last week.
他上个星期买的是一台电脑。
2. 使用强调句应注意的几点
（1）强调主语时，that后谓语动词的数应与被强调的主语保持一致。
It is I who am right.
我是对的。
It was you that were wrong.
是你错了。
（2）不要想当然地用he， she， that等代替强调句中的it。
It was in this city that he met his girlfriend.
就是在这个城市他遇见了他的女朋友。
【即时演练4】　单句语法填空
① was only when the car pulled up in front of our house that we saw
Lily in the passenger seat.
② was when I got back to my apartment that I first came across my
new neighbours.
③You are waiting at a wrong place.It is at the hotel the coach
picks up tourists.
It　
It　
that　
素养提升·重练习
维度一：基础题型练
1. is likely that they will be fired by the company because of their
fault.
2. Many parents find it difficult （have） regular
conversations with their children.
3. It doesn’t interest me you come or not.
4. was not until midnight that it stopped raining.
5. It is necessary （learn） something about the use of
“it”.
It　
to have　
whether　
It　
to learn　
6. I find interesting to explore the unknown world.
7. It is no use （cry） over spilt milk.
8. It struck me the boss was behaving pretty strangely.
9. was a handbag that John gave Mary at Christmas.
10. It was because of the bad weather the football match had to
be put off.
it　
crying　
that　
It　
that　
维度二：语法与写作
1. 被邀请来作评论，我深感荣幸。（it作形式宾语；honour）
I feel to make a comment.
2. 在大自然中画画感觉很棒。（it作形式主语）
to be surrounded by nature while painting.
3. 我认为当我们的父母变老时，照顾他们是我们的职责。（feel＋it
＋宾语补足语＋真正的宾语）
I our parents when they get old.
it a great honour to be invited　
It felt amazing　
feel it our duty to look after　
4. 外面的噪声使他难以把注意力集中在实验上。（it作形式宾语）
The outside noise made on the
experiment.
5. 正是出于这个原因，我提前毕业了。 （强调句）
I graduated in advance of schedule.
6. 我很难习惯在一周内完成这么多作业。（it作形式主语； get used
to doing）
so much homework in a week.
It was for this reason that　
It’s hard for me to get used to doing　
it difficult for him to concentrate　
　　1. （昨天是星期天）.I stayed at
home with my parents.2. （天气晴朗） outside and I
decided to go out with them.3.
（众所周知，伦敦有很多旅游景
点）.First， we visited the London Tower， which stands on the
southeast of Tower Mountain.4. （它曾经是一
座宫殿）， and 5. （它现在是展览中心）.
It was Sunday yesterday　
It was sunny　
It is well known that there are many
tourist attractions in London　
It was once a palace　
维度三：语段练习
it is now an exhibition center　
Then， we watched the famous “Big Ben”.6. （它重达12吨） and its big pendulum （钟摆） is about 305 kilograms.7.
（是在Hyde Park我们遇到了
Mike）， a friend of my father’s.He changed so much that my father
8. （发现很难认出他来） at first
sight.They talked a lot.At 2：00 pm， we went home happily.
It weighs about 12 tons　
It
was in Hyde Park that we met Mike　
found it hard to recognise him　
THANKS
演示完毕 感谢观看

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