How many eggs are there?
There are a dozen eggs.
Are Is there a loaf of bread?
Yes, there are is.
How much jam is there?
There is a jar of jam.
Is there a bunch of flowers?
Yes, there is.
How many tomatoes are there?
There are is a crate of tomatoes.
Are Is there a slice of lemon?
No, there areisn't.
There areisn't a slice of lemon.
How much oil is there/?
There is a drop of oil.