(This is/ That is/ These are/ Those are) a book.
This is a book.
(This is/ That is/ These are/ Those are) a pencil.
This is a pencil.
(This is/ That is/ These are/ Those are) dogs.
These are dogs.
(This is/ That is/ These are/ Those are) a boy.
That is a boy.
(This is/ That is/ These are/ Those are) schoolbags.
These are schoolbags.
(This is/ That is/ These are/ Those are) schoolbags.
Those are schoolbags.
(This is/ That is/ These are/ Those are) pencils.
These are pencils.
(This is/ That is/ These are/ Those are) girls.
Those are girls.
(This is/ That is/ These are/ Those are) dogs.
Those are dogs.
(This is/ That is/ These are/ Those are) bananas.
These are bananas.
(This is/ That is/ These are/ Those are) a cat.
This is a cat.
(This is/ That is/ These are/ Those are) an apple.
This is an apple.
(This is/ That is/ These are/ Those are) pens.
Those are pens.
(This is/ That is/ These are/ Those are) a book.
That is a book.
(This is/ That is/ These are/ Those are) computers.
These are computers.
(This is/ That is/ These are/ Those are) girls.
These are girls.
(This is/ That is/ These are/ Those are) a boy.
This is a boy.
(This is/ That is/ These are/ Those are) a notebook.
This is a notebook.
(This is/ That is/ These are/ Those are) an apple.
That is an apple.
(This is/ That is/ These are/ Those are) bananas.
Those are bananas.
(This is/ That is/ These are/ Those are) a desk.
That is a desk.
(This is/ That is/ These are/ Those are) a chair.
This is a chair.