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.
very
Adverb
—
Much; quite. Using very makes the adjective or adverb stronger.
He was very young.
very
Adjective
—
Exact.
This man is the very one for the job.
crappy
Adjective
—
If something is crappy, it is of very poor quality.
That is such a crappy car.
The referee just made a really crappy call.
The food at this restaurant used to be good but now it's crappy.
Christmas
Proper noun
—
Christmas is a Christian holiday to celebrate the birth of Christ, usually on Dec. 25.
Santa put lots of presents under the Christmas tree.
I've got a week's holiday around Christmas time.