Grammar superlative adjectives we use a superlative adjective to compare one thing with

all the other things in a group.

The Mariana Trench is the deepest place in the oceans.

This fish has the biggest teeth of any fish for its size.

Titanic is the most popular film by James Cameron.

Avatar was the most expensive film.

Spelling changes: big biggest, easy → easiest

Irregular adjectives: good-best, bad → worst For further information and practice, see page 170.

5 Look at the grammar box. Answer these questions about superlative forms.

1 What three letters do you add to short

adjectives (one syllable)? 2 What word comes before longer adjectives (two

or more syllables)?

3 What word usually comes before a superlative

adjective?