Final answer:
Adverbs are words that modify verbs, adjectives, or other adverbs. In the given sentence, the adverbs 'rather' and 'carelessly' are used to describe the degree and manner of an action.
Step-by-step explanation:
An adverb is a word that describes or modifies a verb, adjective, or other adverb. In the given sentence, the adverbs are:
- rather: This adverb modifies the adjective 'costly' and tells us the degree to which the vase was expensive.
- carelessly: This adverb modifies the verb 'knocked' and tells us how Brody performed the action of knocking over the vase.
These adverbs provide more information about the actions and qualities described in the sentence.
Learn more about Adverbs