1. This is a cat. this are cats.
  2. That is a car. that are cars.
  3. That is a cow.
  4. These are pencils.
  5. Those is a cup. Those are cups.
  6. This is hat.
  7. Those is an umbrella. These are umbrellas.
  8. That is your bag. That are your bags.
  9. This is a toy. This are toys.
  10. The chairs is in the classroom.