Demonstrative Adjectives include: This, that, these, those, other, another, the other.
1. In order to talk about people or things near us we use This (singular) and These (plural) as pronouns:
This is my bag.
These are my bags.
2. In order to talk about people or things NOT near us we use That (singular) and Those (plural) as pronouns:
That car is old.
Those houses are new.
3. Other: Refer to additional things or people (the one that you have not mentioned).
Are there any other questions?
4. Another: one more person or thing of the same type as before and often followed by a singular countable noun.
Buy two hats and get another free.
Now You'll take a "Demonstrative Adjectives" test.