The indefinite article are : A and AN
We use A before a consonant-sound
We use AN before a vowel-sound
The difference depends on the sound of the vowels and consonants, not the spelling
. Examples
a teacher
a peach
a woman
a house
a man
a useful book
a university
a European
an English teacher
an orange
an old woman
an hour
a house
an honest man
an heir
an honour
an Irish person
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Don't put A or AN before uncountable nouns )
I don't like milk.
Silence is golden.
(We're having soup for lunch
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Exercises
put 'a' or 'an' where necessary
.boy. ......
teacher. ........
hour. ......
island. .......
English teacher. ........
peach. ........
old man. ...........
year. .............
university. ..........
pen. ..............
apple. ..........
doctor. ............
aunt. ...............
.uncle. ..............
. tree. ............
.ice-cream. ..............
.habit. .............
student..........
..test. ..............
.Arabic book.............