(There is / There are) a banana
There is a banana
(There is / There are) donuts
There are donuts
(There is / There are) apples
There are apples
Is there an onion? Yes, ...
Yes, there is.
Is there a tomato? Yes, ...
Yes, there is.
Is there an egg? Yes, ...
Yes, there is.
Is there a potato? No, ...
No, there isn't.
Is there a lime? No, ...
No, there isn't.
Is there a cake? No, ...
No, there isn't.
Are there any onions? Yes, ...
Yes, there are.
Are there any tomatoes? Yes, ...
Yes, there are.
Are there any eggs? Yes, ...
Yes, there are.
Are there any potatoes? No, ...
No, there aren't.
Are there any limes? No, ...
No, there aren't.
Are there any cupcakes? No, ...
No, there aren't.
(There is / There are) an apple
There is an apple
