it作形式主语PPT培训课件

help. (2005全国)
A. it
B. she C. which D. he
4. I’d appreciate ___B___ if you would like
to teach me how to use the computer.
(山东2006)
A. that B. it C. this
D. you
Grammar
The use of “it”
Proverbs(谚语) with “It”
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 (溢出的) milk. 覆水难收。
②It is v-ed that…
It is said (reported/ supposed/believed /thought/known/told/hoped.....) that ...
该句主语从句; 该结构常译为“据说(据报道,
据悉…)”。
4) It was yesterday that I met Tom in the park.
九、it 常用的固定搭配
1. make it
1)在口语当中相当于succeed, 表示: 成功、
2)做到、说定、赶上、及时到达 如: It's hard to make it to the top in show business. 2) 在口语中相当于fix the date for, 表示
—It's up to you.
高考链接

总结
•it指“同一个” •one泛指“同一类，不同一个”；。 •that用来代替前面特指的名词，相当于the+名词单数， 有时候可与the one互换。 •them, ones, those 是他们对应的复数形式
高考再现
(10广东)He asked his teacher, “Sir, the water is awful.
（14广东）Last year, my brother and I went to Miami for a vacation. Some of my friends who had been there before said _i_t_ was a wonderful holiday destination.
it作代词
It was Sunday. It was a sunny day. Lazy
goat decided to go for a walk to the park though it was two miles away.
it作代词
Unluckily he found he got lost and walked into a strange house. There was a baby in the house. It was crying. Suddenly he realized that it was big big wolf’s house. He quickly get away from it before big big wolf came back.
• It is the second time I have heard of this . 【句式5】 It /this is/was the +序数词+ time + 现在完成时态/过去完 成时-（表示某人第几次做某事）

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it的基本用法
一、代词it （1）用作人称代词，代替前文提到过的事物。
That vase is valuable. It’s more than 200 years old. 那个花瓶很珍贵，它有200多年的历史。 I love swimming. It keeps me fit. 我喜欢游泳，它能使我保持健康。 （2）用以代替提示代词this, that。
It has been a great honour your coming to visit me. 你的来访是我很大的荣幸。 It is strange that he did not come at all. 真奇怪，他竟还没来。 It doesn’t matter what you do.什么都没关系。
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4.容易与强调句混淆的固定句型中
ቤተ መጻሕፍቲ ባይዱ
1.) It is the first time (that)主语+have done...
It is the first time (that)I have been here.(定从） It was the first time (that)I had visited the place.(定从）
done to stop pollution. 我们必须使公众明白应该采取措施制止污染。
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(3)强调句型引导词it.
a.强调句句型 1)陈述句的强调句型：It is/ was + 被强调部分 （通常是主语、宾语或状语）+ that/ who（当 强调主语且主语指人）+ 其它部分。
It was yesterday that he met Li Ping. 2)一般疑问句的强调句型：同上，只是把is/ was提到it前面。

四、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. 代替动词不定式做主语 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, necessary, important, possible, dangerous, right, wrong, legal, useful, useless,
It's kind of you to help me with the problem.
2I.t’代s替(w动e名ll)词wo做rt主h o语ne’s while doing/to do… It is worth my while to explore the city. 这值得我花时间/精力勘察这个城市 It’s (well) worthwhile doing/ to do… It is worthwhile to explore the city. It’s no good/ use/pleasure doing… It is no use studying only at school.
2020/12/2
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Proverbs(谚语) with “It”
It is never too old to learn. 活到老, 学到老。 It is no use crying over spilt (溢出的) milk. 覆水难收。 It takes three generations (代) to make a gentleman. 十年树木, 百年树人。
It is illegal to drive a car without a license.