What are the forms of adjectives: crowded, exciting, hard, rich, cheap, noisy, busy, dry

Forms of adjectives. Positive degree - comparative degree - superlative degree:

Crowded - more crowded - the most crowded,

exciting - more exciting - the most exciting,

hard - harder - the hardest,

rich - richer - the richest,

cheap - cheaper - the cheapest,

noisy - noisier - the noisiest,

busy - busier - the busiest,

dry - drier - the driest.