6.4 Reciprocal Pron.

• What Are Reciprocal Pronouns

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格		宾格	所有格
数	单数	each other	each other's
	复数	one another	one another's

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句法作用

1. 直接宾语

序号	合并	分解	指代的名词
1	The students help one another/each other.
2	Health and cheerfulness mutually beget each other	Health beget cheerfulness, and cheerfulness beget health

相互代词的含义：

2. 介词的宾语

序号	合并	分解	指代的名词
1	For years the two sisters looked after each other/one another.	the older sister looked after younger sister, and the ...

3. 所有格形式作定语

序号	合并	分解
1	We should point out each other's shortcomings.
2	They have great concern for one another's/each other's work

作定语时表示“各自的”、“对方的”

用法

关于指代的名词

1. 作宾语时指代的名词（主语）必须是复数 或 具有 复数含义的词。
   问：作定语时主语就可以是单数？

Reciprocal Pronouns 自身

1. reciprocal pronouns 总是单数形式，包括所有格形式。即不能出现 each others 或 each others‘s
2. each other 可以分开

• We each know what the other thinks.

3. one another 也可以分开构成习语

• one ... another

They went from one shop to another.
The books are piled one above another

• one after another

They achieved independence one after another

• one ... or another

I must have met him at one time or another