Dear aspirant hope you are doing well..

This, that, these and those are demonstratives. We use this, that, these and those to point to people and things. This and that are singular. These and those are plural.

This, that, these, those as determiners

Pointing to things

We use this and that with singular and uncountable nouns:

• Try to repeat this exercise every morning and evening. (this + singular countable noun)

What does this music make you think of? (this + singular uncountable noun)

I’ve never been to that part of France. (that + singular countable noun)

Can I have some of that juice, please? (that + singular uncountable noun)

We use these and those with plural nouns:

You can use any one of these computers. (these + plural noun)

I need to paint those windows. (those + plural noun)