Some adjectives are formed by adding the letters -ful to a noun.
doubt – doubtful
cheer – cheerful
skill – skillful
success – successful
Some nouns change the last letter -y to an -i before adding -ful.
duty – dutiful
mercy – merciful
beauty – beautiful
A noun can be changed to an adjective by adding -ful.
It’s your turn. Change the noun in the first sentence to an adjective by adding -ful. Put the new word into the second sentence. We experienced joy at the party. It was a ____ party. Did you figure it out? Good for you!