The word "I'll" does not have comparative and superlative forms, because it is not an adjective. "I'll" is a contraction for "I will". The word "ill", however, is an adjective, and the comparative and superlative forms are "more ill" and "most ill".
Comparative: uglier Superlative: ugliest
What's the comparative and superlative of the word "exact"
Comparative: shallower Superlative: shallowest
The comparative is "stricter" and the superlative is "strictest".
comparative = sadder superlative = saddest
comparative: trustworthier. superlative: trustworthiest.
fewer - comparative & fewest - superlative
The comparative is later, and the superlative is latest
The comparative is "wilder" and the superlative is "wildest".
the comparative and superlative forms of the word near are nearer(in comparative form) and nearest(in superlative form).
The comparative is greater and the superlative is greatest.
Dative :smart Comparative; Smarter Superlative; Smartest