成人高考英語:快速掌握it的7種用法
來源:www.ycmark.com 時間:2021-01-13 15:06:09 作者:山東成人高考
1.指除人以外的生物和事物,無性別之分。如:
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---Have you seen my watch?
.
---你看見我的表了嗎?
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---Yes, it is on the table.
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---看見了,在桌子上。
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here is a dog outside. It is a yellow one.
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門外有一只狗,是黃色的。
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The earth is shaped like a big ball. And we all live on it.
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地球的形狀像一個大球。我們都住在上面。
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注:也可指嬰兒或指說話時不需言明性別的時候。678招生考試網(wǎng)舉例如下:
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Would you please take care of the baby? It is crying.
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請你照顧一下嬰兒,好嗎?它在哭。
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---Who is walking there?
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誰在那兒走動?
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---It is a policeman
.
是個警察。
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---Who is knocking at the do
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誰在敲門?
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It's me.
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是我。
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2.起指示代詞的作用(=this/that),指一個事物或前面談過的事物或情況。如
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I had a talk with the boss. It is very helpful
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我和老板談了話。對我?guī)椭艽蟆?br /> .
He said he knew smoking is harmful for his health, but he wouldn't give it up.
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他說他知道吸煙對身體有害,但他不會戒煙。
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Let me tell you the whole story. It happened two days ago.
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讓我來告訴你事情的整個經(jīng)過。事情發(fā)生在兩天前。
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3.指時間、日期、季節(jié)等,在句中作主語。如:
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---What time is it now?
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現(xiàn)在幾點?
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---It is five o'clock.
.
五點鐘。
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-What's the date today?
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今天幾號?
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---It's April the first.
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四月一日。
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---What day is today?
.
今天星期幾?
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---It's Friday.
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星期五。
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---It is early summer now.
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現(xiàn)在是初夏。
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4.指自然現(xiàn)象、天氣、距離等,在句中作主語。678招生考試信息網(wǎng)舉例如下:
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It's raining again.
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又下兩了。
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It is rather cold today.
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今天很冷。
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I hope it will be fine tomorrow.
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我希望明天天氣好。
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The store is near here. It's only a five minutes' walk.
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商店離這兒很近。步行只需五分鐘。
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Is it a long way to the Summer Palace?
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到頤和園很遠嗎?
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5.作形式主語
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當主語是動詞不定式、動名詞或主語從句時,往往把主語放在謂語動詞后面,而把it讓放句首作形式主語代替真正的主語。678招生信息網(wǎng)舉例如下:
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It is important to study English.
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學英語很重要。
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It is no use crying now.
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現(xiàn)在哭是沒有用的。
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It is necessary for us to read more books.
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我們有必要多讀書。
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It is clear that you are wrong.
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很清楚你錯了。
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6.作形式賓語
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當復合賓語中的賓語是動詞不定式、動名詞或賓語從句時,往往把賓語放在補足語后面,而把i放在謂語動詞和賓語補足語中間,代替不定式、動名詞或賓語從句作形式賓語。如:
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He thinks it his duty to help the sick.
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他認為幫助病人是他的職責。
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I think it no use talking to him about it.
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我認為和他談論這個事沒有用。
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7.用在強調(diào)結構中
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為了強調(diào)句子的某一成分(通常是主語、賓語或狀語),常用“it is(was)+被強調(diào)成分+that(或who)…”強調(diào)結構。注:強調(diào)結構只能用that和who;強調(diào)人或物時可用that,who只用來強調(diào)人。如:
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It was the headmaster who opened the door.
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是校長開的門。
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It was I who helped you over the difficulties.
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是我?guī)椭憧朔睦щy。
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It was a spelling mistake that I made in the test.
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我在考試中犯的錯誤是一個拼寫錯誤。
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