Adverbs of manner describe how an action is performed. They answer the question "how?"
Here are some examples of adverbs of manner:
* Quickly: He ran quickly across the field.
* Gracefully: She danced gracefully across the room.
* Loudly: She screamed loudly.
* Carefully: He drove carefully down the street.
* Happily: She sang happily.
* Sadly: He said sadly.
* Angrily: He shouted angrily.
* Nervously: She laughed nervously.
* Eagerly: He waited eagerly for her response.
Adverbs of manner are often formed by adding "-ly" to an adjective, but there are many exceptions.