高三英语课件 grammar--it的用法
2023届高三英语二轮复习---Grammar现在进行时表将来教学课件(共20张)
Continuous Tense
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例如__w_a__lk_,_f_l_y_, ___ ride, drive,
take (a bus, a boat, a taxi) 等的 现在进行时也经常用于表示将来。
进行时与高考之听说
• 三问： • 1. 灰太狼正在干什么？
it的用法_grammar
一、it 作____词 1.I have a little dog;it is called Wangwang. 2.What a cute baby﹗Is it a boy？ 3.It is very cold outside./It is 10﹕08.
1.It指代人以外的一切生物和无生命的东西 2.指代人：婴儿(未知性别的婴儿或大人): 3.指代天气、时间、日期、温度、距离等。
1.他可能会成功的。 2.显然她在撒谎。
1. 代作主语的动词不定式 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, impossible, likely, right, wrong, important, legal, dangerous… It is illegal (for a teenager) to drive a car without a license.
A.it B.them C.her D.that 2.The doctor thought ＿would be good for you to
have a holiday.
A.this B.that C.one D.it 3.I hear there's only ＿ copy of the novel left in the
1.It is very important to learn English. 2.It is no use talking to him; he won't listen to you. 3.It is strange that he didn’t come .
18 19Unit3SectionⅢGrammarit的用法Ⅰ
1 .it 作非人称代词常用于指代时间、距离、自然现象、量度、价值等。
It is time to get up.指时间）到起床的时间了。
It is going to sno w.指天气）（天）要下雪了。
It is a long way from my school to the hospital.指距离）从我的学校到医院（距离）很远。
2. it 用作人称代词代替前文提到的事物或动物、指婴儿（尤指性别不明者），未指明但谈话双方都明白的事情或情况。
Her baby's due next month.She hopes it will be a boy.（代替前文提至U 的 Her baby ）她的孩子该下个月出生。
她希望会是个男孩。
［即时演练1］先观察课文原句 后自主感悟1」t is a beautiful day here and I amsitt ing un der the big tree at the end of the garde n.2. Your mother tells me that you started smok ing some time ago and now you are finding it difficult to give it up.3. B elieve me, I know how easy it is tobeg in smok ing and how tough it is tostop. 1. 例句1中的It 作非人称代词，此处指代时 间。
2. 例句2中的第一个it 作形式宾语，真正的 兵语为后面的不定式短语to give it up ；第 一个it 作人称代词，代替前文提到的名词 smok ing 。
3. 例句3中的第一个it 作形式主语,真正的 主语为后面的不定式短语to begin smoking ；第一个it 也作形式主语，真正的 主语为后面的不定式短语to stop 。
it的用法总结
it的用法总结:用法英语中it的用法总结 it的用法总结高中 it的用法总结小学篇一:it的用法归纳Never be afraid of grammarCollect some examples;Watch them very carefully;Find out something in common;Try to use the rules ---- practise.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。
2018-2019学年高二英语人教版选修六课件：Unit 4 Section Ⅲ Grammar — it的用法(2)
[点津](1)强调句可以强调主语、宾语和状语，但不能强调谓语， 强调谓语动词要用“do/does/did＋动词原形”。 Do be careful when you cross the street. 过马路时，务必要小心啊！ (2)当被强调部分是人时，可用 that/who，其他情况都用 that。 (3)强调时间、地点、原因时不能用 when, where, why，只能用 that。
It was yesterday that John bought an old bike in a marketplace. 约翰是昨天在市场上买了辆旧自行车。(强调时间状语) It was in a marketplace that John bought an old bike yesterday. 昨天约翰是在市场上买了辆旧自行车。(强调地点状语) It is only when you have your own children that you realize the troubles of parenthood. 只有当你有了自己的孩子，才能真切地了解到为人父母的辛苦。 (强调时间状语从句)
[语法初识]
原句感知
自主探究
①There is no doubt that the earth is
becoming warmer and that it is human
activity that has caused this global
这些句子都是_强_调__句_，
warming rather than a random but
5．强调句型和定语从句的结合 句式特征为： 在强调句型的被强调部分或其他部分中找出一个先 行词，附上修饰该部分的定语从句，这样整个句子结构就变得非 常复杂。应特别注意不要混淆定语从句的关系词和强调句型中的 that/who 部分。 It was playing computer games that cost the boy plenty of time which he ought to have spent on his lessons. 是玩电脑游戏花去了这个孩子大量的应该用在功课上的时间。
it的用法
形式主语, 代替……
2. It’s very quiet in the café. Circumstance
3. It rained for three days. Weather 4. He made it clear that he didn’t want to speak to me. 形式宾语, 代替…… 5. It was nice to meet you. 形式主语, 代替……
health if you keep smoking.
10. It is necessary for you to take pills to control your blood pressure.
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• • • • •
• •
一、it 作人称代词(personal pronoun)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. It’s hard work, but I enjoy it. “Where is the dog?” “It’s in the bedroom. ” 2. 指人 it 指人主要用于指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? There is a knock on the door. It must be the postman. 【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. ” Nothing is wrong, is it?
it 的用法
2.用于代替指示代词this 和that.
1) It is half past eight now. Time
2) It’s only half an hour’s walk from here to our school. Distance 3) I hope that it will be fine tomorrow. Weather
7. Some young people think that they look attractive when they smoke. It seems that… It seems that some young people think they look attractive when they smoke.
“有”“Biblioteka ”It is? There is?
There is someone at the door. I think ________ 1. ________ it is
the man to deliver the milk. There is a long way to go. 2. Let’s hurry! ________ 3. ________ There is no need to hurry. We still get much
3. You could suffer from bad health if you keep smoking. ( It is likely). It is likely that you could suffer from bad health if you keep smoking.
4. China produces one third of the world’s cigarettes. It is reported. It is reported that China produces one third of the world’s cigarettes. 5.Bird flu(禽流感) hit China again. That is known to us. It is known to us that bird flu(禽流感) hit China again. 6. Li Yuchun got more than one million yuan for the advertisement. People say that. It is said that Li Yuchun got more than one million yuan for the advertisement.
it 用法
2) 表示“约定好时间” 如:
—Shall we meet next week?
—OK. We just make it next Saturday.
2.It /That depends depend on it that… 请相信请放心 3.See to it that..=make sure… 4.When it comes to..当提到…. 5.take it for granted that…认为..理所当 然 6.It‟s up to you. 由你来决定
This → It
Exercises: A when people talk with their 1. I hate ______
mouths full. A. it B. that C.these D. them C your brother 2. In which play is ______ will appear? A. that where B. this when C. it that D. it where A the harder you work, the better 3. ______ result you’ll get. A. It’s believed that B. What we believed that C. It’s fact D. What the fact is
expensive coat.
3. it作形式主语替代主语从句 ①It is adj./ noun + clause It is clear (evident, possible, certain,vital …) that ... e.g. It is evident that her physical strength could
译林版高中英语必修3讲义Unit 2 Section Ⅲ Grammar——名词性从句(Ⅱ)与it作形式主语
Section ⅢGrammar——名词性从句(Ⅱ)与it作形式主语语境自主领悟先观察原句①That is why English has so many difficult rules that confuse people.②It is interesting to learn how the words for animals and meat developed.③It is certain that this process will continue...④I always wondered when I would get the English novel my parents had promised to give me.⑤What I always dreamt of has come true.⑥It is fun wandering in the countryside.后自主感悟1.第①、④、⑤句中的黑体部分都是名词性从句，它们分别在各自的句子中作表语、宾语和主语。
2.第②、③、⑥句中的黑体部分都是it作形式主语的用法，it分别替代的是动词不定式、主语从句和动名词短语。
一、连接代词、连接副词引导的名词性从句1．由what，which，who/whom，whose等连接代词和when，where，why，how等连接副词引导的名词性从句在句子中可以充当主语、宾语、表语或同位语。
(1)主语从句What surprised us was her ignorance.使我们吃惊的是她的无知。
Where we will go hasn't been decided.我们要去哪儿还没有定下来。
When she will come is still unknown.她何时来还不知道。
(2)宾语从句The school was built on what used to be a wasteland.这所学校是在以前的荒地上建造的。
IT的用法总结
Grammar The use of "计"Discovering "Lt"、o2. It is 20 kilometers from Granddad's house to3. It is November 11, 2005. 4- It is 9 (/clock at night. 时间5- It'll be lovely in the garden tonight. 环境 6. It is bad to smoke. 形式主语7. It is likely that he will succeed. 1. It rains heavily. 天气James ，. 距离日期形式主语、it作人称代词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：Xi'an is a beautiful city, isn't it?2・也可以指动物或婴儿（未知性别的婴儿或孩子）:Is this your dog? No, it isn't.:、it作非人称代词it有时并不指具体的东期、距离、价值、度量、温度、环境等，称为非人称的it:指天气:It is a lovely day, isn't it? It is a bit windy.2.指时间：It was nearly midnight when she came back. 3.指环境：It was very quiet in the cafe.4.指距离:It is half an houi^s walk to the city centre from my home.5・指日期：—What's the date today?-It's May 1, 2007.6・指季节：It is summer now・7・指度量：It is about 5 kilograms.8.指价值：-—What's the cost of the T-shirt? -—It is 150 yuan.三、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。
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Exercises
4. He made it clear that he didn’t want to speak to me . 5. It was nice to meet you. 形式主语,代替……
6. It was on Tuesday that Smith came. 用于强调句型中
7. It’s three miles from here to the nearest garage. Distance
形式主语
真正主语 Smoking is no good. 6. It is no good smoking. = ______ 形式主语 真正主语 he will succeed 7. It is likely that he will succeed.= That __________ 形式主语 真正主语 is likely.
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Discuss the following sentences and tell the function of “ it ”: 1. It’s difficult to remember all their names. 形式主语,代替…… 2. It’s very quiet in the café. Circumstance 3. It rained for three days . Weather 形式宾语,代替……
还想跑？ 甭想！
想追我？没门！
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3.)特殊句式：
• It is reported that China has launched another man-made satellite. 据报导…… • It is ordered that the soldiers should cross the river at once. 命令…… • It seems that he has learnt of the news. • It happened that I took no money with me. • It matters very much whether to go or not.
去还是不去大不一样。
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似乎……
碰巧……
. It surprised me that he failed to pass the exam. .It was not long before he returned to Beijing.
不久，他就回到了北京。
他考试不及格使我感到惊奇。
. It will be long before he comes back.
---Is this jacket yours?
it ---Yes, ______is.
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3.用以表示时间、距离、天气、气候、季节、环 境等 1) It is half past eight now. Time 2) It’s only half an hour’s walk from here to our school. Distance 3) I hope that it will be fine tomorrow. Weather 4) It has rained much this year. Weather 5) It’s spring now. Season 6) It’s quiet here. Circumstance
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8. A tall man stood up and shook hands. It was captain Lawrie.
人称代词，代表前面提到的人
9. I hear you bought a new bike .Can you show it to me ?
人称代词，代表前面提到的物
10. It was five o’clock when we got back home yesterday.
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① It is never too old to learn. 活到老，学到老。 ② It is easier to fall than to rise. 摔倒容易爬起来难。
Proverbs(谚语) with “It”
③ It is no use crying over spilt（溢出的） milk. 覆水难收。
Formal Object
2) Instead of “doing” It is no use quarrelling with him about it. I think it no good talking to her.
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Talk about the following pictures, using It is no use/good doing sth 做……没有用/不好 It is fun doing sth 做……很有趣
Time
11. It was dirty and wet below the ship where the slaves were kept.
Circumstance
12. It was on this coast that lots of his people disappeared.
用于强调句型
再过很长时间他才回来。
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Discovering “It”
1. It rains heavily (It is a rainy day). 2. It is 20 kilometers from Grandad’s house to James’. 3. It is November 11, 2005. 4. It is 9 o’clock at night. 5. It is bad to smoke. = _______ To smoke is bad.
exercise books.
3. Recite the proverbs.
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13. It was most likely that one third of them had lost their lives. 作引导词，在句中作形式主语，代替后面的从句
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Homework
1. Revise the grammar of it .
2. Finish doing exercises in students’
④ It never rains but it pours(泼水). 不鸣则已，一鸣惊人。 ⑤ It is easy to open a shop but hard to keep it always open. 创业容易守业难。 ⑥ It takes three generations（代） to make a gentleman. 十年树木，百年树人。
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4.作引导词，在句中作形式主语或形式宾语，代 替后面的短语或从句。 1) Instead of “to do” It is important for us to learn English well. Sub.
I found it necessary to tell him about the mat#43; be +被强调部分 + that/who(a person)从句 I met Tom in the park yesterday. 1) It was I who met Tom in the park yesterday.
2) It was Tom who I met in the park yesterday.
2
It’s 10:08 It weighs only 3 kilos
It’s lovely It’s a large sum of money
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The use of “it” 1.用作人称代词，代表前面提到的人或事物。
It’s 1) Who’s it? _________me.
It 2) Look at the picture. _____is a picture of our school. 2.用于代替指示代词this 和that。
3) It was in the park that I met Tom yesterday. 4) It was yesterday that I met Tom in the park.
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Summary
基本用法 The Usage of “it” 形式宾语 形式主语 强调句型 易误辨析 常见用法 特殊用法 三个句型 三个考点 三个替代词 三个it 后接时间段的句型 三个句型