Unit 1 Grammar it用法要点PPT教学课件

(3) It is + 形容词 / 名词 + that …
能用于这个句型的形容词有wonderful, good, proper, right, wrong, well, fortuna impossible; important, vital, desirable, strange, natural, necessary, essential等。
(5) 用于强调结构 It was John who / that I met in the street last night. It was in the street that I met John last night. It was I who met John in the street last night.
walk in space.
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人们普遍认为，孩子们的早年经历在很大程度上决定了他们 的性格。 (determine)
It is generally accepted that children’s experiences in the early years largely determine their character. 我发现戒烟很难。
我们正在散步突然下起了大雨。(when)
We were taking a walk when it suddenly began to rain hard.
这是我们的宇航员第一次在太空行走。(It)
It is the first time that our astronaut has taken a
— Whose watch is that? — It’s mine.
— Who is knocking at the door?
— It’s me.
(2) 指天气，环境情况，时间，季节，距离等 It was very hot yesterday. It was very noisy (quiet) at the very moment. — What time is it? — It’s eight o’clock. It is a long way from my home to the school.
It happens that my opinion is similar to yours.
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Unit 1 Grammar
1. it的基本用法
(1) 用作人称代词，代替前文提到过的事物或一个人
The train has arrived. It arrived half an hour ago.
2. 含有“It is …”的句型
(1) It is time (for sb.) to do sth. It is (high) time that sb. did sth. (虚拟语气)
It is time for us to prepare dinner.
It is high time that we prepared dinner. (2) It is + 形容词 (+ of / for sb.) + to do sth.
(3) 作形式主语 It is not easy to finish the work in two days. It is no use crying over spilt milk. It is a pity that you didn’t read the book. (4) 作形式宾语 I don’t think it any use arguing with him. I found it very interesting to study English. He made it clear that he was not interested in that subject.
这地方变化太大了，他认不出了。(so…that)
The place had changed so much that he couldn’t recognize it.
信息技术给人们带来便利的同时，也带来了不少的麻烦。 (While…)
While the Information Technology brings much convenience to people, it brings trouble as well.
It’s likely that he will further his study in Canada.
有时虚拟语气中可省去should直接用动词原形。
It is important that we should pay close attention to grain production.
It is natural that he (should) say so.
(4) It is no use / good + doing sth.
It is no use trying again. (5) It is + 被强调部分 + that / who + …
When was it that he arrived?
It was not until yesterday that I knew he was coming.
I find it difficult to give up smoking. 还要过很长一段时间，普通人才能去太空旅行。(before)
It will be a long time before common people can travel to space. 碰巧我的想法和你的很相似。(happen)
Page 6-7 Ex A1 通常用 of 的词有brave, clever, careful, hopeless, foolish, silly, stupid, wise, naughty, kind, good, nice, generous, considerate, thoughtful等。