1.Uncount nouns used as count nouns
不可数名词作为可数名词
尽管主语通常是不可数名词……
Would you like some cheese?
Coffee keeps me awake at night.
Wine makes me sleep.
... they can be also used as count nouns:
他们也可以作为可数名词：
2. Some nouns have both a count and an uncount form:
有些名词可以同时作为可数和不可数名词：
We should always have hope.
George had hopes of promotion.
Travel is a great teacher.
Where did you go on your travels?
名词具有两种意义
Some nouns have two meanings, one count and the other non count:
有些名词有两种意义，一种是可数，另一种是不可数：
His life was in danger.
There is a serious danger of fire.
Linguistics is the study of language.
Is English a difficult language?
It’s made of paper.
The Times is an excellent paper.
Other words like this are:
4.Uncount nouns that end in -s
以-s结尾的不可数名词
Some uncount nouns end in -s so they look like plurals even though they are singular nouns.
一些以-s结尾的不可数名词，尽管他们看起来像是复数，但是他们是单数名词。
These nouns generally refer to
这些名词通常有：
Economics is a very difficult subject.
Billiards is easier than pool or snooker.
5. Group nouns
集合名词
Some nouns, like army, refer to groups of people, animals or things, and we can use them either as singular nouns or as plural nouns.
有些名词，如army，代表的是一组人，动物或者事物，这些单词可以作为单数和复数名词。
We can use these group nouns either as singular nouns or as plural nouns:
这类词可以作为单数或复数名词来使用：
My family is very dear to me.
I have a large family. They are very dear to me. (= The members of my family…)
The government is very unpopular.
The government are always changing their minds. 政府总是会改变他们的想法。
Sometimes we think of the group as a single thing:
有时候，我们可以把这类词当成一个单独的事物：
The audience always enjoys the show.
The group consists of two men and three women.
Sometimes we think of the group as several individuals;
有时候，我们也可以把这类词看成许多单独的个体：
The audience clapped their hands.
The largest group are the boys.
6.Two-part nouns
由两个部分组成的名词
A few plural nouns, like
binoculars, refer to things that have two parts.
一些复数名词，如binoculars，代表了有两个部分的事物。
These binoculars were very expensive
Those trousers are too long.
To make it clear we are talking about one of these items, we use a pair of …
为了弄清楚我们谈论的事物，我们用a pair of来形容：
I need a new pair of spectacles.
I’ve bought a pair of blue jeans.
If we want to talk about more than one, we use pairs of …
如果是多于一，就用pairs of：
We’ve got three pairs of scissors, but they are all blunt.
I always carry two pairs of binoculars.
