Final answer:
The comparative form of the adverb 'often' is 'more often'.
Explanation:
In English grammar, the comparative form of the adverb often is more often. Adverbs ending in -ly typically use the more and most comparisons for their comparative and superlative forms. For example, 'quickly' becomes 'more quickly' in the comparative form.
Learn more about Comparative Form of Adverbs here:
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