Поставьте существительные во множественное число. this is a pen and that is a pencil. this is a table and that is a chair. this is a plate and that is a lamp. this is a bed and that is a sofa. this is a cap and that is a hat. this is my book and that is your copybook. this is my friend. that house is old.
These are tables and those are chairs.
These are plates and those are lamps.
These are beds and those are sofas.
These are caps and those are hats.
These are my books and those are your copy books.
These are my friends and those are houses are old.