Adjectives modify nouns and pronouns. Note that adjectives can be possessive, indefinite, numerical, or compound, among other things. Articles also act as adjectives.
| serious student | ||
| brilliant rainbow | ||
| enchanted smile | ||
| possessive: | her time, their book deal | |
| indefinite: | any day | |
| numerical: | thirteenth floor, one doughnut | |
| compound: | marinated duck quesadilla | |
| articles: | a book, an egg, the clock |
Coordinate adjective work together to modify a noun. Coordinate adjectives do not modify each other and are placed before the noun they modify. Use a comma to separate coordinate adjectives.
The juicy, sweet watermelon cooled everyone off.
Adverbs modify verbs, adjectives, or other adverbs, and they often end with –ly.
modifying a verb : She walked quickly to school.
modifying an adjective : He became an exceptionally quick learner.
modifying another adverb : She ran unbelievably fast.
Place adverbs such as almost, even, and only with care to avoid confusion.
Instead of : The movie almost ended before the stroke of midnight.
Use : The move ended almost before the stroke of midnight.
Most adjectives and some adverbs can take several forms: the positive, comparative, and superlative forms.
| Positive | Comparative | Superlative |
| calm | calmer | calmest |
| quiet | quieter | quietest |
| good | better | best |
| obvious | more obvious | most obvious |
Use the comparative form to compare two things. Use the superlative form to compare three or more things.
Comparative: The mockingbird sang louder than the sparrow.
Superlative: Of all the birds in her yard, the mockingbird sang loudest.
Choose the sentence with an adjective or adverb error.