Waiter, there is a fly in my soup!!!

There is / There are

singular: There is

plural: There are

- There is a dog in the house. There isn't an elephant in the house.

- There are two cats in the street. There aren't two camels in the street.

- Is there a dog in the house? - Yes, there is

- Are there two camels in the street? - No, there aren't