THERE IS/ARE, THERE WAS/WERE

​THERE IS:

• Singular countable nouns.

• Uncountable nouns.

​THERE ARE:

• Plural countable nouns.

​NEGATIVE:

- There isn't

-There aren't

​THERE WAS:

• Singular countable nouns.

• Uncountable nouns.

​THERE WERE:

• Plural countable nouns.

​NEGATIVE:

- There wasn't

-There weren't