Englishfor English speakers
a
Determinative
—
A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
—
A is the first letter of the alphabet.
The letter "a" comes before "b".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
month
Noun
—
A measure of time, approximately equal to the time taken for the moon to circle the earth.
There are between 28 and 31 days in one month.
There are 12 months in one year.
of
Preposition
—
Made using.
It is a house of cards.
Sundays
adverb
—
every Sunday