THIS BOX IS...
LIGHT.
THIS MOUSE IS ...
SMALL.
THIS BOY IS ...
CLEAN.
THIS ELEPHANT IS ...
BIG.
THIS DUMBBELL IS...
HEAVY.
THIS GIRL IS ...
CLEAN.
THIS BOY IS ...
SHORT.
THIS GRANDMA IS ...
OLD.
THIS BAG IS ...
HEAVY.
THIS BABY IS ...
YOUNG.
THIS BOY IS ...
TALL.
THIS BOY IS ...
DIRTY.