It语法课件.ppt

It语法课件,it is.后面语法,it.
careful
person.
e to our class!
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If you want knowledge,
you must toil for it.
要想求知,就得吃苦。
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.
careful
person.
The use of "It"
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.
careful
person.
Learning aim:
You should grasp the usage of “it”.
us
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1. It’s three years since he left here .
用于指时间
2. How far is it from here to the station?
用于指距离
3. It was very quiet in the garden .
用于指环境
4. ⑴. It’s very cold today .
⑵. It’s 37℃ today
用于指天气等自然现象
cannot help it . 没办法了。
“How’s it going?”“well,not so good.”
用于笼统地谈论某情况
类似的:make it, take it easy, got it…
Impersonal pronouns
非人称代词
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make it
(1)eed,表示:成功、做到、说定、赶上、及时到达例
  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“约定好时间”例 
—Shall we meet next week?
—OK. We just make it next Saturday.
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2. take it/things easy
相当于Don‘t worry or don’t hurry. 用来劝告别人,表示“不要慌,别担心,沉住气”
Take it easy! He will do it well.
3. It all depends/that all depends 在口语中,相当于it hasn‘t been decided yet,表示“那得看情况,还没有定下来”
  —Are you going to the countryside for holiday?
—It/That all depends.
4. It's up to sb.
在口语中,相当于it's decided by sb. 表示“由……决定,由……负责,取决于……”
—Shall we go out for dinner?
—It's up to you.
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Personal Pronouns 人称代词
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本身,以避免重复。
cannot find my watch;I must have lost it.
用于指动物或婴儿。主要用于指动物或性别不详的婴儿。
2. ①“Where is the cat?’’“ It is under the bed.”
②They got a baby and it is very lovely.
用于上文提到的情况。
3. He smokes a lot in bed and I don’t like it.
用于指人。it 用于指人主要用于确定未知人的身份:
4.①“Who is it?”“It’s me.”
②Someone must have been here. But we
have no idea who it was.
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当it用于指人时,主要用于确定未知的或身份不明的人,若是指已知的或身份明确的人,则应根据情况使用he或she。
⑴ I hear a