- Adverbs of manner modify verbs and describe how an action is performed. - They can be formed by adding -ly to adjectives. - For example, the adjective "quick" can be changed to the adverb "quickly" by adding -ly. - Here are some common adverbs of manner that do not need -ly to be formed: - well - badly - hard - softly - loudly - quietly - fast - slowly - carefully - angrily - happily - sadly