Lesson 35: Articles - Indefinite & Definite - English Grammar Practice Videobook Exercises
Channel: Guy Reloaded
Date: 2020-06-09

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Grammar 35: Articles - Indefinite & Definite

"A" and "An" are indefinite articles. They refer to objects that have not been specifically identified:
Example: 
a computer is on the desk.

The indefinite article (a, an) is used only with singular nouns.
Examples:
There is a telephone on the desk  
There are telephones on the desk.

"The" is a definite article. It refers to a particular object.
Examples:
The book that I am reading is in my bag. 
The books that I am reading are in my bag.

"The" is also used with definite uncountable nouns (nouns that don’t usually have a plural form).
Examples:
The gold in this crown is very old.

Indefinite uncountable nouns don’t take an article.
Example:
Silver is an important metal.