1) What is the name of the most (big) port in

1) What is the name of the biggest port in the United States.

2) The London Underground is the oldest in the world.

3) She speaks Italian better than English.

Adjectives have three degrees of comparison. They are Positive, Comparative and Superlative. We form these degrees with the help of suffixes ( er and est) and with the help of words (more and the most). We use definite article (the) in Superlative.

When adjective has one or two syllables we use the suffixes er (Comparative) and est (Superlative). Old older the oldest.

Good is an irregular adjective. Good better the best.