Some adjectives modify a noun by telling the quality of a noun.
Here are some adjectives that describe the quality of a noun: good, bad, wonderful, awful, horrible, lovely, helpful, useful, worthless, useless, nice, icky, nasty, beautiful, ugly, broken, ripped, torn, inspiring, former
We put an adjective right before the noun that the adjective will modify.
I read a story about an ugly duckling.
The word duckling is a noun. We put the adjective ugly right before duckling to describe what kind of duckling it is. It is an ugly duckling.
Here are more sentences with an adjective right before a noun:
My sister was happy to get an inspiring letter from her former teacher.
Mom made a wonderful dinner.
We have nasty weather today.
My ripped jacket doesn’t keep me very warm.
Sam sang a lovely song in the concert last night.
Use an adjective right before a noun to describe the quality of that noun.