Tallest is the superlative.
smallest is the superlative. (est is the standard superlative ending._
bigger is the comparativebiggest is the superlative
The superlative of clear is clearest.
Fattest is the superlative of fatter.
The superlative of grateful is most grateful.
grateful.* more grateful.* most grateful.
The comparative form of "generous" is "more generous," and the superlative form is "most generous." These forms are used to compare the level of generosity between two or more people or things. The comparative form is used when comparing two entities, while the superlative form is used when comparing three or more entities.
The comparative form of "grateful" is "more grateful".
Grateful
I'll be forever grateful and I am grateful mean the same thing. Both saying are sad when someone is grateful for something.
Grateful
i am not grateful to you.
There can be many sentences using grateful. One such is, I am grateful to have a friend like you.
"Grateful" in Sanskrit can be written as "कृतज्ञ" which is transliterated as "Kṛtajña".
Sleep is a noun and does not have a superlative. Sleepy is an adjective and the superlative is "sleepiest."
The superlative for willing would be "most willing." There is no one-word superlative.