Demonstrative adjectives point to specific nouns. They show if the noun is near or far. They also show if the noun is singular or plural. They come before the noun.

Use this with one noun near you. Use these with more than one noun near you. These words come before countable nouns.

Word or Phrase	Definition
this	It points to one noun near the speaker.
these	It points to two or more nouns near the speaker.
near	It means the person or thing is close here.

Use that with one noun far from you. Use those with more than one noun far from you. These words come before countable nouns.

Word or Phrase	Definition
that	It points to one noun far from the speaker.
those	It points to two or more nouns far from the speaker.
far	It means the person or thing is not close here.

Demonstrative adjectives must match the noun number. Use singular forms with one noun. Use plural forms with more than one noun.

Subject	Form
one noun	this or that
two nouns	these or those
three or more nouns	these or those

A demonstrative adjective comes directly before a noun. It works with countable nouns such as book, chair, and apples. It helps identify the exact person or thing.

Rule
Use a demonstrative adjective before the noun.
Do not put the noun before the demonstrative adjective.
Use it to identify a specific person or thing.

You can now use this, that, these, and those before nouns. You can choose a form by number and distance. You can point to specific people and things with demonstrative adjectives.