Definition & Rule
A/An: Non-specific singular nouns
Basic Formula:
A/An + singular + noun
Ex: "I have a book" / "She is an engineer"
Any one of the category
Ex: "I have a book" / "She is an engineer"
Any one of the category
Essential Rules
Use with singular countable nouns
Use "an" before vowel sounds
For first mention of something
Meaning "one" or "any"
Concrete Examples
With Consonants:
I need a pen.
(Any pen, not specific)
Consonant sound: /p/
(Any pen, not specific)
Consonant sound: /p/
With Vowels:
She is an artist.
(Any artist, not specific)
Vowel sound: /a/
(Any artist, not specific)
Vowel sound: /a/
Sounds Matter:
He drives an SUV.
(Sound /ɛs/ starts with vowel)
Based on sound, not spelling
(Sound /ɛs/ starts with vowel)
Based on sound, not spelling
Professions:
She became an actress.
(Not a specific one)
Job titles with articles
(Not a specific one)
Job titles with articles
Special Cases
Silent H:
an hour (not "a hour")
Sound /aʊər/ starts with vowel
Sound /aʊər/ starts with vowel
U as Y:
a university (not "an university")
Sound /juː/ starts with consonant
Sound /juː/ starts with consonant
Methods & Tips
Listen to the sound, not spelling
Test with "one" replacement
Remember silent H words
Practice pronunciation
Associate with "un/une" in French
Common Mistakes
Mistake 1:
Using "a" before vowel sounds
Mistake 2:
Applying to plural countable nouns
Mistake 3:
Using with uncountable nouns
Mistake 4:
Forgetting with professions
Practice Tips
Learning:
Create lists of "a" and "an" words
Practice:
Say sentences aloud with articles
Review:
Listen to native pronunciation