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条 件
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要 求
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例 句
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代词作主语时
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必须与它所代表的名词或代词在人
称、数、性上保持一致。名词的性
无法确定时，可用阳或阴性代词。
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Every student can make progress if he / she
makes good use of his / her time.
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国家、船只等名词做
主语时
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常被看作是阴性，用she, her来
代替。
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China will resolutely carry out her current economic reform.
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当each, every, either,
neither, one修饰主语时
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其相应的代词一般为单数。
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Every student has got his / her text books.
Every college student should find his / her
own study method.
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everything, anything,
something, nothing
做主语时
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其相应代词通常采用单数形式。
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Everything is all right, isn’t it?
Nothing has gone wrong, isn’t it?
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不定代词one 做
主语时
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其相应的代词可以是one / one’s,
也可以是he / his。
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One should wash one’s hair regularly.
One should constantly think of one’s / his weakness.
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由or, nor, either…or,
neither…nor,
not only…but also
连接并列主语时
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要遵循毗邻原则，即其相应代词
的数和性要与毗邻的主语一致。
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Not only the police but also the old man tries his best to help that little boy.
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and 连接两个名词
做主语时
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如果主语被each, every, many a 等
词语修饰，其相应代词多用单数。
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Every boy and girl has his / her study habits.
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如所指是同一人或物，其相应的
代词用单数。
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The composer and singer was well received
by the audience.
The owner and pilot was unwilling to leave
his crashed plane.
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如所指是不同的人或物，代词用
复数。
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The owner and the pilot were unwilling to
leave their crashed plane.
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集合名词做主语时
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表示整体概念时，其相应的代词
用单数。
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This class is very large. It consists of 120
students.
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表示成员时，代词用复数。
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The class are discussing a hot topic. They all express their ideas freely and enthusiastically.
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