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.
beehive
—
noun
any workplace where people are very busy
—
noun
a man-made receptacle that houses a swarm of bees
—
noun
a hairdo resembling a beehive
—
noun
a structure that provides a natural habitation for bees; as in a hollow tree
of
Preposition
—
Made using.
It is a house of cards.
activity
Noun
—
When a person or animal has activity, it is active or lively.
The sleeping dog did not show much activity.
—
When you have a function to do, you have an activity.
The child has many after-school activities.
She participates in women's rights activities.