There is [a/an] apple.
There is an apple.
There are [some/any] grapes.
There are some grapes.
There is a orange.
There is an orange.
There is [a/an] pit in the avocado.
There is a pit in the avocado.
There aren't [some/any] avocados at the store.
There aren't any avocados at the store.
There aren't some strawberries in the garden.
There aren't any strawberries in the garden.
There isn't [a/an] fruit salad on the table.
There isn't a fruit salad on the table.
There is [some/any] water on the floor.
There is some water on the floor.
There is a apple and a banana in your lunch bag.
There is an apple and a banana in your lunch bag.
There is [a/an] bag of grapes in the fridge.
There is a bag of grapes in the fridge.
There aren't [some/any] seeds in the grapes, except one.
There aren't any seeds in the grapes, except one.
There aren't some orange trees in the park, but there are some apple trees.
There aren't any orange trees in the park, but there are some apple trees.
There is [a/an] orange and [a/an] carrot in my juice.
There is an orange and a carrot in my juice.
There aren't [some/any] seeds in the raspberries, but there are [some/any] pits in the cherries.
There aren't any seeds in the raspberries, but there are some pits in the cherries.
Is there an pear on the table?
Is there a pear on the table?