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

Dear – dearer - the dearest
Long - longer - the longest
Big - bigger - the biggest
Tall - taller - the tallest
Convenient - more convenient - the most convenient
Modern - more modern - the most modern
Cheap - cheaper - the cheapest
Important - more important - the most important
Bad - worse - the worst
Expensive - more expensive - the most expensive