Adjectives - Singular and plural form.

That's a long snake.

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• 

Those are small balls.

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• 

That's an old bike.

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• 

Those are new bikes.

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Those are short snakes.

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• 

That's a big ball.

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• 

• That's a short pencil.

• That's a long pencil.

• Those are short pencils.

• Those are long pencils.

• Those are small balls.

• Those are big balls.

• That's a small ball.

• That's a big ball.

• That's a new backpack.

• That's an old backpack.

• Those are new backpacks.

• Those are old backpacks.

• Those are long ropes.

• Those are short ropes.

• That's a long rope.

• That's a short rope.