some, more, most
Some of the time
most, more
"Litter" is a noun and a verb and, as such, does not have a comparative degree.
A comparative for the word ineffectual is more ineffectual.
smoother is comparative of word smooth.
comparative
Comparatives are use with adjectives or adverbs to make some kind of comparison. "Dad" is a noun and does not have a comparative form.
Sharper is the comparative form of the word sharp.
comparative
comparative
Yes. They are more and most, respectively.
Any adverb with the word "more" in front of it.