ACT English: Use Adjectives and Adverbs Correctly to Boost Clarity

Adjectives modify nouns (describing words): "The quick dog." Adverbs modify verbs, adjectives, or other adverbs (describing how/when/where): "The dog ran quickly." The key: If the word modifies a noun, use adjective. If it modifies a verb/adjective/adverb, use adverb (usually -ly ending). Common mistakes: "He drove slow" (wrong; should be "slowly," modifying verb "drove"). "She feels badly" (wrong if meaning sadness; should be "bad," describing her state after linking verb "feels").

Linking verbs (feel, seem, appear, taste, smell, sound, look, become, is) are tricky. After a linking verb, use an adjective, not an adverb. "The soup smells good" (adjective good), not "smells goodly" (that is not even a word). But: "He arrived early" (adverb early modifies verb arrived). Context determines whether to use adjective or adverb.

Error 1: Using adverb after linking verb. "The music sounds beautifully." Wrong; should be "sounds beautiful." Error 2: Using adjective to modify a verb. "She dances graceful." Wrong; should be "dances gracefully." Error 3: Confusing bad/badly and good/well. "I feel bad about the mistake" (adjective bad, correct). "I performed well on the test" (adverb well, correct). "I performed good" is wrong; "I feel well" is correct only if discussing health, not emotion. Remember: After "feel, taste, smell, sound, look," use adjective if describing a state, adverb if describing the action.

Self-check: Ask yourself, "What does this word modify?" If a noun, adjective. If a verb/adjective/adverb, adverb (usually -ly). If you are unsure, check if -ly sounds natural; if yes, it is probably an adverb.

Sentence 1: "The cake tastes delicious." Correct? Sentence 2: "She sings beautiful." Correct? Sentence 3: "He drove careful down the road." Correct? Sentence 4: "The music sounds loud and clear." Correct? Sentence 5: "They feel good about the decision." Correct? Sentence 6: "The student answered quick." Correct? Sentence 7: "The flowers smell sweetly in the garden." Correct? Sentence 8: "He seems happy about the news." Correct? Sentence 9: "She performed bad at the audition." Correct? Sentence 10: "The water tastes cold and refreshing." Correct? For each, identify if correct and explain why, or correct if wrong. Do this twice; adjective-adverb clarity improves rapidly.

Corrections: 1) Correct. 2) "sings beautifully" (adverb modifies verb). 3) "drove carefully" (adverb). 4) Correct. 5) Correct. 6) "answered quickly" (adverb). 7) "smell sweet" (adjective after linking verb) or "smell sweetly" is wrong. 8) Correct. 9) "performed badly" (adverb) or context: "feels bad" if emotion, "sounds bad" if describing state. 10) Correct.

Adjective-adverb questions are less common than comma or verb errors, but they appear on most ACT English tests and catch students off guard. Spending 20 minutes to master the adjective-adverb rule will prevent careless errors and earn you 1 point per test, a reliable score booster.

This week, review 10 sentences using the "What does it modify?" test. By test day, you will instinctively choose the correct form.