The document discusses the proper uses of "There is" and "There are" in English. "There is" is used with singular countable nouns and uncountable nouns, while "There are" is used with plural nouns. It provides examples of these structures being used affirmatively, negatively, and interrogatively. Contractions can be made with "There is" but not with "There are."

3. The terms “There Is” and “There
Are” are used in English to indicate
that an object or person is found
on a specified site.

4.  1. There is used when the subject is:
 * A singular countable noun:
 There is an apple in the basket.
 Notice that the noun has the indefinite article (a /
an). Normally the definite article “the” is not used
with There is:
 * There is the apple in the basket.
 * An uncountable noun:
 There is Some tea in the pot.
 There is ice on the street.
 Uncountable nouns can take quantifiers like some,
any, much, a lot of etc.

5.  2. “There Are” is used when the subject
is:
* A plural noun:
 THERE ARE two apples in the basket.

6.  * You can make a contraction of "There is"
to "There's." You can not make a
contraction of "There are."
 The negative is "There is not" and "There
Are not“ and their contractions.
 There is not a book. - There isn't a book.
 There Are Not books. - There Are not
books.

7.  To form a question just change the word
order.
 Is There a book?
 Yes, There Is.
 No, There isn't.
 There Are books?
 Yes, There are.
 No, There are not.