Comparative adjectives are used to compare things or people that are different and separate from each other. If we want to get comparative form we need to add suffix -er to the adjective. For example:
Superlative adjectives allow us to describe an object which is at the upper or lower limit of a quality and formed by the suffix -est and definite article "the":
If short adjective ends in -y, it changes into -i:
If we have adjective with a short vowel before a final consonant, we need to double this consonant:
For long adjectives we use words more/less and the most/least to make comparative and superlative forms: