1.Make the sentences plural.
This is a cat.
That is a box
This is an orange.
That is a cup.
This is a hat.
That is a tree.
This is a lamp.
That is a horse.
2.Make the sentences singular.
These are houses.
Those are pupils.
These are buses.
Those are tables.
These are watches.
Those are lions.
These are hammers.
Those are cars.
Answers & Comments
Those are boxes
These are oranges.
Those are cups.
These are hats.
Those are trees.
These are lamps.
Those are horses.
This is a house.
That is a pupil.
That is a bus.
That is a table.
That is a watch.
That is a lion.
This is a hammer.
That is a car.