Below are rules to show you how to use demonstrative pronouns.
Demonstrative pronouns take the place of nouns.
A demonstrative pronoun that comes before a noun is an adjective.
This is not going to work.
That is absurd.
They are going to wear these instead.
We plan to buy all of those.
These pants do not fit me.
These refer to pants.
Those movies are exciting.
Those refer to movies.
Language Arts: Demonstrative Pronouns