选修6第三单元语法
选修六unit3知识点
选修六unit3知识点选修六 Unit 3 知识点一、重点词汇1、 cigarette：名词，意为“香烟；纸烟”。
例如：He lit a cigarette and sat down（他点燃一支香烟，然后坐了下来。
）2、 alcohol：名词，意为“酒；酒精”。
例如：Alcohol is bad for your health（酒精对你的健康有害。
）3、 abuse：名词，意为“滥用；虐待；辱骂”。
动词，意为“滥用；虐待；辱骂”。
例如：Drug abuse is a serious problem（滥用药物是一个严重的问题。
）He abused his power（他滥用职权。
）4、 stress：名词，意为“压力；重音；强调”。
动词，意为“强调；着重；使紧张”。
例如：She's under a lot of stress（她压力很大。
）The teacher stressed the importance of reading（老师强调了阅读的重要性。
）5、 ban：名词，意为“禁令；禁止”。
动词，意为“禁止；取缔”。
例如：There is a ban on smoking in public places（公共场所禁止吸烟。
）The government banned the use of certain chemicals（政府禁止使用某些化学物质。
）6、 due：形容词，意为“到期的；预期的；应得的”。
例如：The rent is due at the end of the month（租金月底到期。
）His success is due to hard work（他的成功归功于努力工作。
）7、 tough：形容词，意为“困难的；强硬的；坚韧的”。
例如：It's a tough problem to solve（这是个很难解决的问题。
）He's a tough guy（他是个硬汉。
高中英语选修六unit3单词和语法知识讲解
高中英语选修六unit3单词和语法知识讲解
重点词汇内容回顾复习
tough
1）The wire 金属丝is tougher than that. (坚韧的，不易磨损的） 2）You need to be tough enough to survive 生存in the jungle. （坚忍不拔的，吃苦耐劳的） 3） a tough criminal罪犯（粗暴的，凶暴的） 4）tough measures to deal with terrorism恐怖主义（强硬的，严 厉的） 5）a tough assignment 任务/ problem / choice（棘手的，困难的） 6）a tough steak牛排（硬的，老的）
强调谓语以外的成分可使用： It is/was ……that…… It was when I was doing my homework that I saw him sleeping. It was I that/who saw him sleeping in class.
高中英语选修六unit3单词和语法知识讲解
词性转换(n.)： addict n. 吸毒成瘾的人 addiction n. 沉湎、成瘾 addictive adj. 使人上瘾的
用法： addict oneself to sth. 沉溺于某物 be addicted to sth. 专心做某事;上了…..的瘾 be addicted to doing sth.
高中英语选修六unit3单词和语法知识讲解
重点词汇内容回顾复习
addicted adj. “对某某上瘾”, “沉湎于某某”
选修6Module3语法
选修6 Module3语法一、动词-ing形式的完成式的构成：having+过去分词。
它的否定式为：not+having+过去分词；被动式为：having+been+过去分词。
Having lost all my old friends, I felt lonely at my new school.Not having tried his best, he failed in the exam.Having been written in haste, the essay was not worth reading.辨析动词-ing形式的完成式与现在完成时1.动词-ing形式的完成式只表示该动作在谓语动词表示的动词之前发生或完成，与现在时间没有直接联系，所表示的动作可能发生在过去现在或将来。
常在句中作状语。
2.现在完成时表示动作从过去某个时间开始持续到现在，并可能延续下去；或表示过去发生的动作对现在造成的影响或产生的结果，着眼点是现在时间。
现在完成时是谓语动词的时态形式。
The old man, having seen his son off, came back to the room.Then, having found out all the details about it, you will come back and report it to me.Having realized why he had failed in the exam, he has made up his mind to work harder from now on.辨析动词-ing形式的完成式与动词-ing形式的基本式动词-ing形式的完成式表示该动作的谓语动词所表示的动作之前发生或完成，常在句中作状语。
动词-ing形式的基本式表示该动作与谓语动词所表示的动作同时或几乎同时发生，或表示正在发生，在句中可作主语、表语、宾语、定语、宾补或状语。
选修6unit3Grammar语法共43页文档
6、法律的基础有两个，而且只有两个……公平和实用。——伯克 7、有两种和平的暴力，那就是法律和礼节。——歌德
8、法律就是秩序，有好的法律才有好的秩序。——亚里士多德 9、上帝把法律和公平凑合在一起，可是人类却把它拆开。——查·科尔顿 10、一切法律都是无用的，因为好人用不着它们，而坏人又不会因为它们而变得规矩起来。——德谟耶克斯
Hale Waihona Puke 40、学而不思则罔，思而不学则殆。——孔子
谢谢！
36、自己的鞋子，自己知道紧在哪里。——西班牙
37、我们唯一不会改正的缺点是软弱。——拉罗什福科
xiexie! 38、我这个人走得很慢，但是我从不后退。——亚伯拉罕·林肯
39、勿问成功的秘诀为何，且尽全力做你应该做的事吧。——美华纳
选修6unit3 语法
我可不仅仅只在高考语法题中 露下脸，尝试着把小个子的 我应用在书面表达中，定会 给你带来惊喜哟！相信我， 没错滴
• 今天是星期三，能在此
• 我的教室在一楼，到操场很方便，大约三分钟 的步行路程，所以在业余时间，我们经常去那 里锻炼身体。众所周知，一直不停地工作是没 好处的。简言之，我爱我的教室。
直击高考考点
如果你能接受我的建议我将不胜感激
• I would appreciate it if you can accept my advice.
一些表示“喜” “怒”“哀”“乐”的 动词如：enjoy, like, dislike, love, hate, prefer, appreciate等动词后接 if 从句或 when 从句，通常先在动词后接 it 作形式 宾语， if 从句或 when 从句作真正的宾语。
• 而且，我也爱我的同学。我们认为助人为乐是 很重要的。我们都很勤奋，每天早上6：20我们 在教室读英语或语文，直到晚上10点我们才离 开教室。因为我们相信：是努力而不是智力决
今天是星期三，能在此演讲是我的一大荣幸。 我的主题是“高二（11/12班，我爱你。”
指时间
形式主语
It is Wednesday today. It’s my honor to
Summary
主语 + verb + it + adj./ n. + to do /
doing/ 从句
真正的宾语
形式宾语
find, think, feel, believe, consider, make, etc.
4. 强调句型
It is/ was +被强调部分＋that/ who +其他部分
人教课标版高中英语选修6 Unit3_单元语法详解
Unit3 单元语法详解“it”的用法一、代词it1. 代替前文提到的事物。
如：——Where is the dog?-It's in the bedroom. ——狗在哪?——在卧室里。
2. 指性别不明的婴儿或不明确身份的人。
如：There is a knock on the door. It must be the postman.有人在敲门，一定是邮递员。
3. 代替指示代词this，that。
如：——What's this?——It's a new machine. ——这是什么？——是一种新机器。
二、it 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. 是某人该做某事的时候了It's(about/high）time+that从句某人该做某事了（从句谓语用一般过去时）It's the first(second)time+that从句某人第几次做某事（从句谓语用现在完成时）It's+时间段+since从句自从……有多长时间了It will be/was+时间段+before从句过多长时间才……(1）It is the first time that I have been here.这是我第一次来这儿。
(2）It is three years since the war broke out.自战争爆发以来有三年了。
(3）It will be half a year before I come back.还得再过半年我才能回来。
三、it用作形式主语当不定式、动名词、从句等复杂成分用作句子主语时，为保持句子平衡，通常把真正的主语后置，而在句首使用形式主语t。
如：(1）It's unknown when he will come.他什么时候来还不知道。
人教高中英语选修六Unit 3--知识点句型语法 1,2
fighting heart disease, has had some unintended side __e_ff_e_c_t_s__ (effect)
addicted adj. 成瘾的，上瘾的；入迷的
be addicted to (to是介词) 对...上瘾；沉溺于...
addict n. 上瘾者，瘾君子； v. 使上瘾，使沉迷 addictive adj. 使人成瘾/入迷的； addiction n. 瘾；入迷，嗜好
即学即用 1. He was badly addicted ___t_o____ online games a year ago. 2. Smartphone _a_d_d_ic_t_io_n_(addict) has spread like an infectious desease. 3. Beside, talking with friends is also a good choice to help us relax
accustom vt. 使习惯 / 适应 accustom oneself to doing sth. 使某人习惯于做...
即学即用 1. Second, your habit is to blame and you just can’t accustom __y_o_u_r_se_l_f___ (you) to the absence of nicotine in your body.
awkward.
然后她给了我一支烟，我感到很尴尬不安。
embarrassed adj. 尴尬的，窘迫的；拮据的
英语选修6unit3语法【精选】
2. 指代性别不明的人（常指baby）/ 说话人不清 楚性别的人（常在打电话、敲门等时）:
eg. The baby cried because it was hungry. There is a knock at the door. It must be the
Grammar
The use of “it”
it 真实身份大揭底 Ⅰ.用作人称代词 Ⅱ.用作非人称代词 Ⅲ .It 作形式主语 Ⅳ. It 作形式宾语 Ⅴ. It 用在特定句型中
Ⅵ. It 用在固定习语中
“It”用作“人称代词”
Ⅰ.用作人称代词
1. It 指代上文中提到的物、事。（简化语言，避免重复） eg. My pen is missing. I can’t find it.
in health care will lead to a stronger,
more prosperous economy. (浙江)
A. As B. That C. This D. It
3. The doctor advised Vera strongly that she should take a holiday, but ______ didn’t help. (全国卷III) A. it B. she C. which D. he 4. I’d appreciate ______ if you would like to teach me how to use the computer. (山东) A. that B. it C. this D. you
It's kind of you to help me with the problem.
高中英语选修六unit3单词和语法知识讲解
be opposed to / object to 反对
be devoted to 致力于，献身于
be attached to
adjust (adapt)… to be exposed to
look forward to
pay attention to
attend to
contribute to
turn to
举例： ① I saw a figure in the darkness. ②She has a slender figure. ③He has become a figure known to everyone. Where did you get those figures?
重点词汇内容回顾复习
every time 在此句中引导时间状语，表示“每次…的时候”
举例：Every time I go to see her, she is always busy working.
类似用法： the first time 第一次…的时候 the moment/minute/instant/immediately/instantly/directly 一….就… every time=each time 每次…的时候 last time 上次 next time 下次 by the time到…为止
The train is due in five minutes.(预定的，预期的）
举例：
My rent 付的）
isn’t
due
till
Wednesday.（到期的，立即支
重点词汇内容回顾复习
拓展： because of “由于”, 较口语化，只作状语 owing to 较正式，须用逗号与主句隔开 thanks to “多亏了” ，多用于正面的意义 as a result of “因为” as a result 副短, “因此” therefore 副词, “因此” so并列连词, “因此” on account of与because of，owing to同义，但语气较 为正式。可作状语、表语，不作定语。
选修六book6unit3grammar-it用法
s+v+it+ adj/n + to do/that…
我认为不浪费粮食是我们的责任。 _I _th__in_k__it__o_u_r_d_u_t_y_n_o_t__to__w_a_s_t_e_f_o_o_d__.
It + be + 过去分词 + 主语从句
注意：常见的过去分词有believed, expected, reported, said, shown，如果主句中的过去分词是表示请求，建议，命令等词如： suggested/ ordered / demanded /insisted / commanded... 等时 that 后的从句要用虚拟语气（should + 动词原形），should 可 以省略
If you can answer correctly, I will give you the thumbs-up .
为你点赞
The group getting the most thumbs-up will be the winner.
积赞最多
A riddle (谜语) Guess who I am . The answer is __?__. 代词我， 本意它， 即可指这又指那；
Unit 3 A healthy life Grammar：The usages of it
一.基本用法: it 做代词
1.用作人称代词，代替前面提到的人（不明确的）或 物,也可以指动物或婴儿.
选修六_Unit_3_Grammar-It_用法
It is suggested that the meeting ( should ) be put off. It was ordered that we ( should ) arrive there in two hours.
It is + n. (a pity, a shame, no wonder ... ) +that ...
It doesn’t matter whether ( if ) ...
该句型中whether (if) 引导的从句是真正主语，该句型常译为 “不论（是否）……没关系……”
It doesn’t matter if they are old.
It worries sb. that…… 某事使某人担心
take it for granted that…
keep it in mind that…
认为…理所当然的
把…记在心里…
We owe it to you that we finished the work on time. I leave it to your own judgment whether you should do it.
It is a pity that he is ill. 他生病了，真遗憾！
It takes sb. some time to do sth.
句型中的不定式是真正的主语，it是形式主语，句型中的直接宾 语是时间，常译为 “做……要花费某人……”
It took thousands of people many years to build the Great Wall.
It’s about an hour’s drive from here to Nanchang.
高二英语人教版选修六第三单元语法讲解 +答案
Book6 Unit3 A healthy life语法：it 用法一、代词1.人称代词it 用来指代上文所提到的事物，或代替整个句子或该句中谓语部分所表示的意思:①---What do you think of the movie? ---It’s one of the best movies that I’ve seen.②You saved my life; I’ll never forget it.③Tom’s mother kept telling him that he should work harder, but it didn’t help.2.指代婴儿或儿童;在不清楚某人性别时,也可使用it,尤其在问答的形式中更为常见.例如:①---Who’s the lovely baby? ---It’s Mr. Black’s.②---Look, someone is coming. Who can it be? ---It may be the headmaster.1)I was cooking in the kitchen when someone knocked at the door. ___ was my close friend, Lisa. 3.还可以替代指示代词this 或that. ---What is that? ---It is his dictionary.2)This is the first time that I have come here, ____ ?(反义疑问句)4.用来表示时间, 天气, 气候, 距离, 温度, 环境, 季节, 价钱, 状况，次数等。
①It's awful—I've got so much work I don't know where to start.（笼统状况）②How is it going?③It was very noisy outside now.(表示环境)3)was a sunny day. Now__ was eight o’clock. They decided to go for a walk to the park, though __ _was two miles away. ___ was so comfortable to walk on the street _____ was quiet there. Suddenly ___ began to rain. They found __ hard to go home. When they got home, they were wet through. Thus ___ was a day that they would never forget.4)从这到我们家大约半小时的车程。
选修6 unit3语法
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。 1. 替代作主语的动词不定式 1) It is adj. (for sb.) to do sth. 此处adj. 通常为描述 事件的形容词: easy, difficult, hard, necessary,
四、it作形式宾语
① 当复合宾语中的宾语是不定式、动名词、宾语从
句时, 往往把宾语放在它的补足语后面，而用it 作形 式宾语, 放在宾语补足语之前。常用的动词有think, believe, make, find, consider, feel等。 Eg：I think it no use arguing with him. 我认为和 他争吵没有用。
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。
③ It is no use crying over spilt milk. 覆水难收。 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。
Eg: It is a pity that such a thing (should) happen in your class. 这种事竟然发生在你们班上, 真是遗憾 It is a pity that he is ill. 他生病了, 真遗憾！ ④It 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。 Eg：It seems that he will be back in a few days. 看来他再过几天才能回来。
选修6Module3知识点
选修6 Module31.close adj.& adv.1）adj.亲密的，亲近的；严密的；密切的；近的，接近的My younger brother and I are very close.Please pay close attention to where they will go.Susan sat on a chair close to the window.2)adv.接近地；紧挨着Mother held Tom close and pressed her check to his.2.trust v.&n.1)v.信任，信赖（某人、某物）；对……有信心；依靠；希望You shouldn’t trust him. He’s dishonest.I trust that from now on you will take greater precations.2)n.信任，信赖You shouldn’t put your trust in a man like that.3.It takes (sb.) (some) time to do sth.花费（某人）时间做某事，也可以写成sb. take(s) (some) time to do sth.It took her three hours to repair her bike.= She took three hours to repair her bike.It takes… to do sth.做某事需要/要求……It doesn’t take much to make her angry.4.chat v.&n.1)v.闲谈，闲聊My kids spend several hours chatting on the phone to their friends.2)n.[C]闲聊，聊天I had a long chat with her.chat about sth.闲聊某事chat with/ to sb.与某人聊天have a chat with sb.与某人聊天5.more than多于，不仅仅，岂止，不止，后可接名词、形容词、数词、动名词及从句等。
选修六unit3知识点
选修六unit3知识点一、重点词汇1、 cigarette：名词，意为“香烟；纸烟”。
例如：“He lit a cigarette and started smoking”（他点燃了一支香烟并开始抽起来。
）2、 alcohol：名词，意为“酒；酒精”。
如：“Excessive alcohol consumption is harmful to health”（过度饮酒对健康有害。
）3、 abuse：名词，意为“滥用；虐待；辱骂”。
比如：“The abuse of power is unacceptable”（滥用权力是不可接受的。
）动词，意为“滥用；虐待；辱骂”。
“He abused his position for personal gain”（他为了个人利益滥用职权。
）4、 stress：名词，意为“压力；重音；强调”。
“I'm under a lot of stress at work”（我工作压力很大。
）动词，意为“强调；重读；使承受压力”。
“She stressed the importance of teamwork”（她强调了团队合作的重要性。
）二、重点短语1、 due to：由于；因为。
“The delay was due to bad weather”（延误是由于天气恶劣。
）2、 addicted to：对……上瘾；沉迷于。
“He is addicted to computer games”（他沉迷于电脑游戏。
）3、 accustomed to：习惯于。
“I'm accustomed to getting up early”（我习惯早起。
）4、 in spite of：尽管；不管。
“In spite of the difficulties, we carried on”（尽管有困难，我们还是继续进行。
）三、重点句型1、“It seems amazing that at my age I am still fit enough to cycle 20 kilometers in an afternoon” （在我这个年纪，身体还足够健康，能在一个下午骑 20 公里，这看起来令人惊奇。
英语选修6 unit3语法 it的用法
= We seem to have made a mistake.
8. It vt+ 宾语+
that-clause to do sth.
It requires a lot of patience that we teach them English. It requires a lot of patience to teach them English
第三类：It is... that从句.(有4种) 4. It + be + adj. + that从句.
It is very clear that he’s round and tall like a tree.
It is certain that everything will get on well due to our hard work.
第一类：It is ...to do. (有2种)。 第二类：It is... doing. (有1种) 第三类：It is... that从句.(有5种)
it 作形式主语
第一类：It is ...to do. (有2种)。
1. It is/was +形容词+(for/of sb.)+to do sth. 用for 还是of的规则：如果形容词是描述事物的， 如difficult, easy, hard, important, dangerous等用for; 如果描述的是人物的性格、品质，如good, nice, clever等则用of.
It is said that he is a thief.
= He is said to be a thief.
课本知识点详解及练习：选修6Unit3(人教版)
高二课本知识点详解及练习: 选修6Unit3（人教版）Unit3 A healthy life知识点详解Ⅰ.常考单词必背1．abus. n．.vt.滥用；虐待This rule was brought into being because the old law was abused.由于旧的法律遭到滥用, 这条规则便应运而生。
2. stres.n. .压力；紧张.重音vt.强调；着重Th.mor.stres.yo.ar.under，th.mor.likel.yo.ar.t.catc..cold.压力越大，越有可能患感冒。
I.th.passage，th.autho.mainl.stresse.th.importanc.o.smal.an.ordinar.work.在这篇文章里，作者强调了小而平凡的工作。
[快速闪记]stress the importance of 强调……的重要性reduce stress 减少压力under the stress of 在……的压力下place/lay/put stress on 重视, 强调同义词: stress, tension, pressure3．ba.①vt.取缔；查禁；禁.②n.[C.(常用单数)禁止；禁令ernmen.ha.banne.th.sal.o.tha.produc.whic.i.harmfu.t.th.public.政府禁止出售对大众有害的那种产品。
[快速闪记]ban doing sth 禁止做某事ban sb from doing sth 禁止某人做某事a ban on 关于……的禁令4. du.adj.欠款的；预定的；到期的n. 应得物；会费H.i.du.t.spea.thi.evening.今晚该他讲演。
[快速闪记]due to 欠债〔账〕；归功于, 应属于；由于be due to do sth 预期做某事, 预定要做某事be due to sth/doing sth/sb 归因于某事/做某事；欠某人……be due for sth 应有；应得到5. menta. adj.精神的；智力的mentall.adv.精神上；智力上6. qui.vt.停止(做某事)；离开There are no failures in life, only those who quit before success.生活中没有失败者, 只有那些在成功前就放弃的人。
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It is 40°C ! You got a high fever! temperature
日期 2. it 可以用作非人称代词, 表示_____, 天气 ______, 时间 ______, 距离 ______, 地点 ______ 温度 等。 _____,
第四类： It+ 不及物动词(happens/appears /seems…) +that从句
二) it作形式宾语 当复合宾语中的宾语是不定式、动名词、宾语从 句时，往往把宾语放在它的补足语后面，而用it 作形式宾语，放在宾语补足语之前。 该句型中的it作形式宾语，常用的动词有think, believe, make, find, consider, feel等。
一) 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。常用于以下特殊 句式：
1. it作形式主语 动词不定式做真正主语
（1）It is/was+adj.+for sb.to do sth. for前的形容词通常为描述事件的形容词：如easy, difficult, necessary, impossible, important等 t is illegal for a man to drive a car without a license.
so much money to spend these days.
I can’t help it if she is always late. I hate it when people talk with their mouth
full.
I don’t like it when a Chinese host keeps
⑤在动词like, love, enjoy, prefer, hate, appreciate 后接if/when/that从句时一般用it做形式宾语 结构为：Sb. like/love/enjoy/prefer/hate/ appreciate it if/when/that… ⑥在短语answer for负责, depend on依赖, insist on坚持, see to负责，照顾 后接从句时一般用it 做形式宾语 结构为：depend on/insist on/see to it that…
记住：There be 的几个固定句型：
There is no point (in) doing… 做…没有意义 There is no sense (in) doing…做…没有意义 There is no trouble (in) doing…做…不困难 There is no difficulty (in) doing…做…不困难 There is no need (for sb.) to do sth.做…没有必要 There is no possibility that… …是不可能的
2) 代替 “doing” It is no use quarrelling with him about it. I think it no good talking to her. 3) 代替 “clause” It doesn’t matter whether he will come or not. I think it necessary that we will attend the meeting.
Learning about “it”
Lead in
It was a sunny day. Peter decided to go ____ it was two for a walk to the park, though _____ miles away. ___ It was so comfortable to walk on the street.
2. It做形式主语，动名词做真正主语的常见句型有：
It‘s no good doing… 做…没有好处 It‘s no use doing… 做…没有用 It‘s no fun doing… 做…没有趣 It‘s no pleasure doing… 做…没有乐趣 It‘s a waste of time doing… 做…浪费时间
I consider it wrong to cheat in an examination. Don't you find it a waste of time watching television too much? I thought it strange that Jack should have had
Read and analyze the following sentences. It is Friday today.
date
It was very cold last Monday. weather It is about 8:30 now. time
It is about 25km from Longxian to Bazi. distance
二、作引导词，在句中作形式主语或形式宾语， 代替后面的动词不定式、动名词或从句。
1) 代替 “to do” It is important for us to learn English well.
I found it necessary to tell him about the matter.
3. it作形式主语,从句做真正主语
第一类：It is+形容词+that从句 ①It is clear (obvious,true,possible,certain …) that ...
It is obvious that he has known the truth.
②It is important/necessary/strange/ natural...) that ... 在此句型中，that 后的从句中要用“should+动 词原形”的形式，其中should 可以省略。
【 6123结构 】 主语+动词+it+形容词/名词+不定式/动名词/从句 6 1 2 3
常见的it做形式宾语构成的句型：
①Sb. think/find/consider it important (necessary/helpful…) for sb. to do sth. I think it useful for me to read English aloud every morning. ②make it clear that…弄清楚；使明白 He made it clear that we must obey the rules. ③take it for granted that… 认为…是理所当然的 Many children take it for granted that they should ask their parents for money. ④make it a rule that…使…为习惯 He makes it a rule that he gets up before dawn.
（2）It is/was+adj.+of sb. to do sth. of前的形容词通常为描述人的形容词：如kind, clever, nice, rude, cruel, considerate, foolish, wise等 It's kind of you to help me with the problem.
learning about grammar
The use of “it”
Discovering “It”
1. It rains heavily.
天气 2. It is 20 kilometers from Granddad's house to James’. 距离 3. It is November 11, 2005. 日期 4. It is 9 o’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.I find it difficult to learn English well. 形式宾语 8. What is thist/that? It is a cellphone.替代指示代词 this/that 9. What a beautiful baby? Is it a boy? 不明性别的成人或幼儿 10. My cat is missing, I can’t find it anywhere. 上文提到的事物(同一物)
It is important that we (should) learn English well.
第二类：It is+V-ed+that…=sb./sth. is to do
①It is said (reported/believed/thought/ known/told/hoped.....) that ...
一、 it用作代词
S1. What is this? It is a cellphone. S2. What is that? It is his dictionary. S3. Whose book is this? It is Mr Cheng’s. S4. Where is your English book? It is here. S5. My cat is missing, I can’t find it anywhere. S6. What a beautiful baby? Is it a boy? Draw a conclusion: 1. It---词性? ______ pron. 可以用作人称代词，代指 前文提到的事物. 还可以替代指示代词_____ _______________ this 或 指代性别不详的人或者是幼儿 ______ that 或__________________________