Cat is (big) than mouse
bigger
My room is (small) than my sister's.
smaller
The hall is (long) than kitchen
longer
Playground is (big) than garden
bigger
Bathroom is (cold) than bedroom
colder
Summer is (hot) than winter
My chair is (comfortable) than yours
more comfortable
This house is (beautiful) than that
more beautiful
His garden (good) than mine
better
Sweater is (warm) than T-shirt
warmer
