Too, Very and Enough
We use too and very to modify the meaning of adjectives and adverbs. Too and Very are used in front of an adjective or adverb.
Too means 'more than necessary' or 'more than you want'.
I don't like this pub. It is too noisy and there are too many people.
You will love Northern Australia, but it is too hot there in the summer so you should go in Spring or Autumn.
These shoes are too small. Are they available in a bigger size?
Very intensifies the strength of adjective or adverb and can not be used with 'extreme' adjectives ('Hot is a standard adjective, but 'Boiling' is an extreme adjective)
It is very hot today.
London is a very big city.
He is a very fat man.
Not: It is very boiling today.
Not: London is a very huge city.
Not: He is a very obese man.
Enough describes an adequate or necessary amount. It can also be used with Not, to refer to something that is not sufficient, or not necessary. Enough is used after an adjective.
Do you have enough money? I can lend you some, if you need it.
Don't buy Sarah any shoes for her birthday. She already has enough!
He wanted to go into the disco, but they refused to let him in because he is not old enough.