choose 3 sentences with superlative adjectives. 1) Everest is the highest

Three sentences with superlative adjectives are:

 1.Everest is the highest mountain in the world.

2.Peter thinks that London is the most beautiful city. 

3. She is the eldest in our family.

Superlative degree of the adjectives is formed by adding the suffix est to the adjective, if it is no longer than two syllables. If the adjective is longer than two syllables, one should add the word most. The use of the definite article is compulsory in front of the adjective in the superlative degree.