意

义

一

致

原

则

clothing，furniture，traffic，jewellery，baggage，

equipment，luggage等不可数名词

单

数

Clothing is badly needed in this flooded area.

以s结尾的表示学科、国家、机构、书籍、报刊等

名称的词

Politics is often a topic for discussion.

表示时间、重量、距离、价格、金钱、体积等复

数名词表达一个整体概念

Forty miles was covered in a single night.

由every，any，some，no和one，thing，body等

构成的不定代词

Is everybody here today?

动词ing形式、动词不定式和名词性从句 ①Persuading him to join us seems really hard.

②Whatever was left was taken away.

意

义

一

致

原

则

由连词and连接的并列成分指的是同一概念，

兼具身份或匹配出现

单数

①War and peace is a constant theme in history.

②The singer and dancer is to attend our evening party.

no/each/every/many a＋单数名词＋and(＋

no/each/every/many a)＋单数名词

Many a teacher and (many a) student has seen the film.

one/everyone/each/either/the number＋of/the

variety of＋复数名词

The number of students from the north is small.