Pointing to things near and far: this book, that car, these shoes, those people
Demonstrative + noun; or Demonstrative as pronoun
This/That/These/Those + be + not + adjective
Is this...? Are those...? What's that?
💡 Can be determiners (this book) or pronouns (this is nice).
✓This is my friend.
✗This is my friends.
This is singular; use 'these' for plural.
✓Those flowers are beautiful.
✗That flowers are beautiful.
Plural noun needs 'those'.
✓I'll see you this Friday.
✗I'll see you that Friday.
This for upcoming/current time.