betterthan

I feelmuch better than yesterday

The newbed is better that the old one.

She sings much better than I do

betterand better

Theschool becomes better and better.

You'll like her whenyou know her better.

hadbetter (do something)

You'dbetter go to the doctor

We'dbetter leave now or we'll miss the bus. 

You'd better not dothat again.

I feelsick. Maybe I need to see the doctor. What do you think?

You'dbetter go to the doctor

thebigger, smaller, faster, slower, etc. the better

I amalmost full. I prefer a small apple, the smaller, the better

We arelooking for somewhere for party. We have100 people, so we prefer a big hall, the bigger, the better.