There is / There are
We use there is and there are to say that something exists.
There is - Singular
There is one lion
There are - Plural
There are two ants
Affimartive:
They is / There's - There are
There's a boy in the park
There are three chairs in the living room.
Negative
There is not/there isn't
There are not/There aren't
There is not a computer in the office.
There are not two cats in the tree.
There isn't a dog in the house.
There aren't four waiters in the restaurant.
Questions
Is there? Are there?
Is there a book on your bed?
Are there three dishes on the table?
Short Answers
Yes, there is. No, there aren't.
Yes, there is.
No, there aren't