概要：1 房间里有多少人?[√] How many people are there in the room?[×] How many peoples are there in the room?people作“人、人们”解时，是个集合名词，其单复数同形。2 这些女老师们在干什么?[√] What are the women teachers doing?[×] What are the woman teachers doing?在英语中，当一名词作定语修饰另一名词(单或复数形式)时，作定语的名词一般要用其单数形式;但当man, woman作定语修饰可数名词复数形式时，要用其复数形式men, women.3. 我想为我儿子买两瓶牛奶。[√] I want to buy two bottles of milk for my son.[×] I want to buy two bottle of milk for my son.表示不可数名词的数量时，常用“a / an

1 房间里有多少人?

[√] How many people are there in the room?

[×] How many peoples are there in the room?

people作“人、人们”解时，是个集合名词，其单复数同形。

2 这些女老师们在干什么?

[√] What are the women teachers doing?

[×] What are the woman teachers doing?

在英语中，当一名词作定语修饰另一名词(单或复数形式)时，作定语的名词一般要用其单数形式;但当man, woman作定语修饰可数名词复数形式时，要用其复数形式men, women.

3. 我想为我儿子买两瓶牛奶。

[√] I want to buy two bottles of milk for my son.

[×] I want to buy two bottle of milk for my son.

表示不可数名词的数量时，常用“a / an或数词+表量的可数名词+ of + 不可数名词”这一结构，其中当数词大于1时，表量的可数名词要用其复数形式。

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