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Sentence Correction: Parts of Speech - Adverb

Which of the following is NOT an adverb?

Incorrect. Carefully is an adverb. There are three ways of telling that carefully is an adverb.

1. Carefully ends with -ly, which is a typical adverb suffix.

2. If we delete the -ly, we're left with an adjective (careful).

3. Carefully can describe verbs (e.g., Jane drives carefully).

Incorrect. Very is an adverb. Although very does not end with the typical adverb suffix -ly, it can describe adjectives (e.g., John is very nice) and adverbs (e.g., John drives very carefully), which is only something an adverb can do.

You're right! Quick is an adjective.