We use There is and There are to say that something exists (or doesn't). Here is how to construct positive, negative, and interrogative sentences using these expressions:
Positive Sentences
Rule 1: You should use There is with singular countable nouns.
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Rule 2: You should use There are with plural countable nouns.
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Rule 3: You should use There is with uncountable nouns.
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Negative Sentences
Rule 4: To construct a negative sentence (to say that something doesn't exist), you should add not after is or are.
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Rule 5: You should use There are not any with countable nouns and There is not any with uncountable nouns to indicate that a zero quantity of something exists.
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Contractions
You can use contractions in spoken and written informal English. Here is how to contact There is and There are:
Long form
Contraction
There is
There's
There is not
There's not / There isn't
There are
There are not
There aren't
Note: You cannot contract There are.
Questions
Rule: To construct a question, you should place Is or Arein front ofthere.