Indefinite articles - sentences
a and an - indefinite articles
Use a or an when you say what a thing or a person is. A-an has no plural.
A + consonant
If the following word starts with a consonant, then say a.
Examples: a friend, a box, a room, a farmer, a driver, a teacher
An + vowel
If the following word starts with a vovel, then say an.
Examples: an apple, an animal, an uncle
Exceptions a and an
Vowel letter but consonant sound, then say a.
Examples: a user, a unit
English A or an articles exercises
A or an articles with free online exercises, examples and sentences, questions and A or an articles negative sentences.
Online exercises English grammar and courses
Free tutorial A or an articles. English A or an articles exercises. English grammar easy to learn.