Adjectives and adverbs are invariable in English. Adjectives always come in front of the noun they modify. Adverbs usually come after the verb they modify.

ADJECTIVES

a good book
an excellent dinner
a fine wine
a charming person
a hot day
an unreasonable person

ADVERBS

Examples of Adjectives and Adverbs

• Would you like some dessert? We have a delicious chocolate cheese cake.
• We're having a big sale this week. Why don't you stop by sometime?
• It should come out right now.