（uncountable nouns）还是名称 (names)，给出了一些简单的规则，可以在很多情况下帮助我们正确使用冠词。
首先，对于可数名词，会与使用单数还是复数有关。
所有单数可数名词前都得有一个修饰语modifying word，在语法中称为限定词determiner，通常是冠词(a/an, the)。即使这些单词前面有不可数名词或形容词，仍然需要限定词。例如：
the green house effect, the transport system, the control group
a high level, asystematic approach, a rigorous study, an exploratory investigation
She owns a cat.
I work on a golf course.
The house on that corner once belonged to Charles Dickens.
May I borrow an egg?
He is an arrogant critic.
the green house effect, the transport system, the control group
a high level, asystematic approach, a rigorous study, an exploratory investigation
She owns a cat.
I work on a golf course.
The house on that corner once belonged to Charles Dickens.
May I borrow an egg?
He is an arrogant critic.
复数可数名词有加定冠词和不加的两种情形。如果复数名词属于一个特定的群组，那么应使用定冠词。例如：
The books in this collection were published in the 19th or early 20th century
The students in our university should take courses for writing and communications
如果复数名词不属于一个特定的群组，则不使用冠词。例如:
Learners tend to remember new facts when they are contextualised
Students must lean how to write and communicate
不可数名词一般不与冠词连用，例如：
Science has been defined as a systematic approach to answering questions
Reliability is an important quality of any test
Reliability is an important quality of any test
但是，如果不可数名词有后修饰结构of…或which…等，那么通常要使用定冠词。例如:
The science of global warming is a complex and controversial area.
The reliability of this instrument is poor.
Chemistry is the science which addresses the composition and behaviour of matter.
Chemistry is the science which addresses the composition and behaviour of matter.
名称和头衔等名称前通常不加定冠词，例如：Manchester University, Manchester。但是，如果名称短语包含一个后修饰结构 (of…)或者如果它们包含像组织、机构或协会这样的词，就需要添加定冠词，例如：
The University of Manchester,The United States of America .
The World Health Organisation, The American Heart Association, The Royal Society，The SETI Institute.
The University of Manchester,The United States of America .
The World Health Organisation, The American Heart Association, The Royal Society，The SETI Institute.
迈克尔也给出了一些规则。下面介绍其中上面没有提到的规则。
有时，一些现象特指属于现在，如天气，此时也应加定冠词。例如：
The weather is very pleasant today
The wind is strong
The temperature is high
如果第一个名词需要用不定冠词，那么其第二次出现时则需要使用冠词。例如：
We visited a palace on our vacation. The palace was built in 1546.
We also went to a concert. The concert was too loud for me.
We also went to a concert. The concert was too loud for me.
如果表示通用意义，如乘坐某类交通工具，吃饭，则不需要使用冠词，例如：
She eats breakfast at home.
She traveled to college by train.
I prefer folk music.
She is taking lunch.
John Morley, University of Manchester, Academic Phrasebank, http://www.phrasebank.manchester.ac.uk/
Michael，Definitely use “the” or “a”，https://www.dailywritingtips.com/definitely-use-the-or-a/
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