"Bad" is an adjective meaning sick, in pain, unpleasant, or immoral. It is always used with nouns and linking verbs, and it can never be used with action verbs. (For a review of linking verbs, see Module 3, Lesson 3). Example: I feel bad.
"Badly" is an adverb that is used with all other verbs. You use it when you want to say that someone is not good at something or that someone did a bad job. It should not be used as an adjective and is never used with linking verbs. Example: He drives badly.
Practice What You've Learned
Click to select the correct word usage in the following sentences.