- Adjectives are used to modify nouns:
The dog is loud.
- Adverbs are used to modify verbs, adjectives or other adverbs:
The dog barks loudly.
Some verbs can only be used with adjectives, others might change their meaning when used with an adverb.
|verb||used with an adjective||used with an adverb|
|look||look good (= appearance)||look well (= healthy)|
|feel||feel good (= state of health/mind)||feel well (= have a good sense of touch)|
|smell||smell good (= odour)||smell well (= have a good sense of smell)|
|taste||taste good (= preference)||taste well (= have a good sense of taste)|
The following verbs can only be used with adjectives: