Comparatives of Superiority and so on

1. Comparatives of Superiority
Comparatives of superiority can be made usually with adjectives. Sometimes you can use with adverbs and nouns.
1.1 With nouns:
Meu filho come mais frutas do que minha filha.
My son eats more fruits than my daughter do.
1.2 With adjectives:
Meu irmão é mais velho do que eu.
My brother is older than I.
1.1 With adverbs:
Eu posso correr mais rapidamente do que ele.
I can run faster than he.

2. Comparatives of Inferiority
Similar to the Comparative of superiority, the comparatives of Inferiority can be made usually with adjectives and sometimes can be used with adverbs and nouns.
2.1 With nouns:
Meu filho come menos frutas do que minha filha.
My son eats less fruits than my daughter do.
2.2 With adjectives:
Meu irmão é menos gordo do que eu.
My brother is less fat than I.
2.3 With adverbs:
Eu posso aprender menos rapidamente do que ele.
I can learn less quickly than he.

3. Comparatives of Equality
3.1 With nouns:
Laura tem tanto dinheiro quanto Paulo e João juntos.
Laura has as much money as Paulo and John together.
3.2 With adjectives:
Meu irmão é tão gordo quanto eu.
My brother is as fat as I.
3.3 With adverbs:
É difícil para mim aprender tão rapidamente como eu gostaria.
It is difficult for me to learn as quickly as I would like.

Superlatives
1. Superlative Relative
It occurs when the quality of a being is intensified in relation to a set of beings. This relationship can be:
1.1 Superiority Superlative:
Giovanna é a mais inteligente da sala.
Giovanna is the most intelligent in a class.
1.1 Inferiority Superlative:
Ele é o menos esperto de toda minha família.
He is the least smart of all my family.

2. Analytics Absolute
The Analytics Absolute Superlative may be formed analytically also by using the adverbs muito (very),extremamente (extremely), absolutamente (absolutely) etc. prefixed to the adjective.
Ele é uma pessoa extremamente inteligente.
He is an extremely intelligent