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.
thousand
Determiner
—
(ordinal thousandth) The number 1,000.
Julius Caesar lived about two thousand years ago.
thousand
Noun
—
The number 1,000.
leave
Verb
—
When you leave a place, you go away from it.
I left the building.
—
Something you leave remains where it was.
Two cakes are left.