Which is the correct comparative or superlative adverb?

Kate's team made free throws more frequently of most frequently than the other team.

When comparing her with one other person (so that two people are being compared), use the -er word or the word "more" with the adjective or adverb.

When comparing her with two or more other people (so that three or more people are being compared), use the -est word or the word "most" with the adjective or adverb.

http://grammar.ccc.commnet.edu/grammar/adjectives.htm
Scroll down to Degrees of Adjectives.

http://www.lousywriter.com/adjectives_comparison.php

http://www.uottawa.ca/academic/arts/writcent/hypergrammar/compsupl.html

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In the given sentence, the correct comparative adverb should be "more frequently" and the correct superlative adverb should be "most frequently".

To determine the correct comparative or superlative form of an adverb, you can follow these guidelines:

Comparative Adverbs:
- When comparing two people or things, add "-er" to the base form of the adverb. Examples: faster, slower, louder.
- If the adverb already ends in -y, change the -y to -i and add "-er". Examples: happier, funnier.

Superlative Adverbs:
- When comparing three or more people or things, use "most" before the base form of the adverb. Examples: most frequently, most beautifully, most carefully.
- If the adverb already ends in -y, change the -y to -i and add "est" after "most". Examples: happiest, funniest.

Remember, for adverbs ending in -ly, the comparative and superlative forms are created by using "more" and "most" respectively. Examples: more frequently, most frequently.

To gather more information about degrees of adjectives and adverbs, you can refer to the sources provided, such as the websites for the Capital Community College Foundation, Lousy Writer, and the University of Ottawa. These resources offer explanations and examples to help you better understand the topic.