Englishfor English speakers
that's
pronoun
—
(rare, nonstandard) whose, of which
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.
great
Adjective
—
A great object or event is very big and large in scale.
A great storm is approaching our shores.
—
A great person or object is very good.
Dinner was great.
—
Something that is great is very important.
—
Great is used to describe an important leader.
Alexander the Great
great
Interjection
—
It is said to show happiness about something.
I got the job? Great!
Great, you can come with us on the trip.
—
It can also be said to show disappointment.
I didn't get the job? Great.
Oh great, the store is closed.
idea
Noun
—
An idea is a concept or a thought.
It was a good idea.
—
An idea is something abstract (not concrete).
Love is just an idea.
—
An idea is a way to see something, a view.
He changed her ideas on religion.