Level: B1

Adjective or Adverb? — The Linking Verb Trap

The single biggest ESL mistake with adverbs: using the wrong form after certain verbs. She looks beautiful ✓ (adjective — linking verb) vs She sings beautifully ✓ (adverb — action verb). Includes good vs well, feel bad vs feel badly, and 42 click-to-hear examples.

📝 Adverbs unit · lesson 11 of 11 — the final test ⏱ about 11 minutes 🔊 every example has audio

Builds on Linking verbs — feel good, not feel well Unit complete? All grammar quizzes →

Adjective or adverb? Quick guide

After an action verb, use an adverb (it describes the action).

After a linking verb, use an adjective (it describes the subject, not the action).

Linking verbs include: be, seem, become, appear, feel, look, smell, sound, taste, get, grow, stay, remain, turn.

She sings beautifully. (sings = action → adverb)
She looks beautiful. (looks = linking → adjective)
The soup tastes good. (tastes = linking → adjective; "good," not "well")
He works hard. (works = action → adverb)

🎯 The “replace with is / are” test

Try replacing the verb with am / is / are / was / were. If the sentence still makes sense, the verb is linking — so use an adjective.

She looks beautiful. → She is beautiful. ✓ → linking → adjective
She sings beautifully. → She is beautifully. ✗ → action → adverb

📖 Want the full explanation? See English Adverbs → Adjective or adverb? The linking-verb trap on the main grammar page.

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Same root, both jobs — adjective vs adverb
She sings beautifully. – Adverb
She looks beautiful. – Adjective
The soup tastes good. – Adjective
She cooks well. – Adverb
He works hard. – Adverb
The job is hard. – Adjective
She speaks softly. – Adverb
The pillow feels soft. – Adjective
He drove carefully. – Adverb
He is a careful driver. – Adjective
She seems happy. – Adjective
She smiled happily. – Adverb
The roses smell sweet. – Adjective
She sang sweetly. – Adverb
He became tired. – Adjective
He worked tirelessly. – Adverb
Linking verb + adjective (be / seem / look / feel / sound / taste / smell)
She is happy. – Adjective
The music sounds loud. – Adjective
The cake smells delicious. – Adjective
The leaves turned brown. – Adjective
He seemed nervous. – Adjective
She looks tired. – Adjective
The room feels cold. – Adjective
I feel bad about the mistake. – Adjective
He became famous. – Adjective
The story sounds strange. – Adjective
Action verb + adverb
She danced gracefully. – Adverb
He answered quickly. – Adverb
They worked diligently. – Adverb
She spoke clearly. – Adverb
He smiled warmly. – Adverb
The child cried loudly. – Adverb
She wrote the answer neatly. – Adverb
He explained the rules patiently. – Adverb
Tricky pairs: good vs well, bad vs badly
The coffee tastes good. – Adjective
She plays the violin well. – Adverb
I feel well. – Adjective
I feel good about my work. – Adjective
I feel bad about it. – Adjective
He performed badly in the test. – Adverb
The team played badly. – Adverb
This meal looks bad. – Adjective

Where to go from here