помогите плииз 10 предложений на английском со степенями прилагательных

спасибо

I have a small ball.My sister's ball is smaller than mine.His ball is the smallest.This is an interesting book.That book is more interesting than this one.That is the most interesting book.These are good books.Those books are better than these ones.I have the best book.He is the worst pupil in the class.