От данных прилагательных образуйте сравнительную и превосходную степени сравнения: Dear, long, big, tall, convenient, modern, cheap, important, bad, expensive.

Вот формы сравнительной и превосходной степеней:

• dear → comparative: dearer, superlative: the dearest

• long → comparative: longer, superlative: the longest

• big → comparative: bigger, superlative: the biggest

• tall → comparative: taller, superlative: the tallest

• convenient → comparative: more convenient, superlative: the most convenient

• modern → comparative: more modern, superlative: the most modern

• cheap → comparative: cheaper, superlative: the cheapest

• important → comparative: more important, superlative: the most important

• bad → comparative: worse, superlative: the worst

• expensive → comparative: more expensive, superlative: the most expensive