一、名词的各种分类

单、复数的用法及单数名词变复数名词的方式，包括可数名词的复数的变化规则，少数不规则名词的复数形式及部分单复、数同形的名词。

【考例】There is good_________ for you. I've found your lost watch. [广东省]

A. news

B. ideas

C. messages

D. thoughts

[答案]A。[解析] 四个选项都是以s结尾的名词，其中A为不可数名词，B、C、D为名词的复数形式，句中用了连系动词is，所以只有A项正确。

My uncle will come to my house for dinner．I want to buy some ___to make a vegetable salad forhim．[济宁]

A．meat

B．tomatoes

C．apple juice

[答案]B。[解析]下文说制作蔬菜沙拉，故选蔬菜类的tomatoes。

The teacher said we needed to choose three for the school concert. [ 重庆]

A. farmers

B. doctors

C. drivers

D. singers

[答案] D。 [解析]可数名词的复数形式是在原形后加"s"。根据school concert可知，需要挑选的是singers。

At night the koala bear gets up and eats___________．[广元]

A．1eaf

B．1eaves

C．leafs

[答案]B。[解析]考查名词leaf的复数形式。以f或fe结尾的名词在变复数时，一般将f或fe变v后，加es。

The PLA man saved three ____lives in the accident．[济南]

A．children's

B．children

C．child

D．childs'

[答案]A。[解析]考查名词所有格的用法。three后接复数children，变名词所有格时直接加"'s"，故选A。

Come on，children．Help your selves to some_________ if you like．[南通]

A．fish and chicken

B．fishes and chicken

C．fish and chickens

D．fishes and chickens

[答案]A。[解析]fish（鱼肉）和chicken（鸡肉）都是不可数名词。

All the ____teachers enjoyed them selves on March 8th，because it was their own holiday．[ 重庆]

A．man

B．men

C．woman

D．women

[答案]D。[解析]由时间on March 8th可知是妇女节，因此是女教师。"女教师"单数形式用woman teacher，复数形式两个词都要变为复数。故选D。