Singular
There is a piano in the room.
There is a computer on the table.
Plural
There are some good restaurants in the center of the town.
There are a lot of people at the stadium.
Singular
There's a piano in the room.
There's a computer on the table.
Plural
There're some good restaurants in the center of the town.
There're a lot of people at the stadium.
There is flight at nine o'clock.
There isn't a music class today.
He's happy.
I'm bored.
Jane: Good morning. How are you?
Mary: I'm fine. How is it going?
I'm sorry but I'm late.
It's cheap. It's not expensive at all.
The concert's wonderful.
There is flight at nine o'clock.
There isn't a music class today.
Singular
Am I hungry?
Are you hungry?
Is he/she/it hungry?
Plural
Are we late?
Are you late?
Are they late?