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.
couple
Noun
—
A couple is two (2) things that go together.
Can you lend me a couple of dollars?
—
A couple is two people that love one another.
John and Susan make a nice couple, don't they?
couple
Verb
—
If you couple two things, you join them together.
—
If two people couple, they have sex.
of
Preposition
—
Made using.
It is a house of cards.
days
—
noun
(= years)
the time during which someone's life continues
the monarch's last days
in his final years