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Comparative adverbs show how one action is done more, less, or differently than another. This guide explains the key forms and useful expressions.

Adverbs

Adverbs modify verbs, adjectives, or other adverbs by adding information like manner, time, place, or degree. Small changes can affect meaning so pay attention to form.

Comparative Adverbs

Comparative adverbs compare how two actions are performed, usually by adding -ly to an adjective and then using more or less before the adverb. This structure signals a direct comparison.

Form

To form an adverb from an adjective, add -ly; then place more or less before the adverb to make the comparison. Short adverbs that do not end in -ly often take -er instead.

Which form is correct for a short adverb?

She runs faster than him

He arrived sooner than last time

She runs more quickly than him

He arrived more sooner

Examples

Fill in the BlankShe runs(fast) than her brother.

She runs faster than her brother.

short adverb (fast)

Key Expressions

Phrases like as... as, not as... as, and twice as... set up comparisons that highlight equal, lesser, or greater amounts. These expressions work with adverbs to fine-tune meaning.

Which expression would you use to show equality?

twice as...

as... as

more... than

less... than

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Summary

Comparative adverbs use more or less plus the -ly adverb to show differences in manner or degree. Learn the key expressions to make clear and precise comparisons.