comparative and superlative adjectives

We use comparative adjectives to describe people and things:

This car is certainly better but it’s much more expensive.
I’m feeling happier now.
We need a bigger garden

We use than when we want to compare one thing with another:

She is two years older than me.
New York is much bigger than Boston.
He is a better player than Ronaldo.
France is a bigger country than Britain.

When we want to describe how something or someone changes we can use two comparatives with and:

The balloon got bigger and bigger.
Everything is getting more and more expensive.
Grandfather is looking older and older. 

We often use the with comparative adjectives to show that one thing depends on another:

When you drive faster it is more dangerous
> The faster you drive, the more dangerous it is.
When they climbed higher it got colder
> The higher they climbed, the colder it got.

Superlative adjectives:

We use the with a superlative:

It was the happiest day of my life.
Everest is the highest mountain in the world.
That’s the best film I have seen this year.
I have three sisters, Jan is the oldest and Angela is the youngest .