Образуйте сравнительную и превосходную степень следующих прилагательных big expensive cold xungry bad old cheerful

Big - bigger - the biggest
Expensive - more expensive - the most expensive
Cold - colder - the coldest
Hungry - hungrier - the hungriest
Bad - worse - the worst
Old - older - the oldest
Cheerful - more cheerful - the most cheerful