Affirmative form:
Subjet + will + verb + complement
Example:
I will turn 31 years old, next year.
Negative form:
Subjet + won`t + verb + complement
Example:
I won’t turn 31 years old, next year.
Affirmative form:
Subject + may/might + verb + complement
Example:
She may/might start a masters next year
Negative form:
Subject + may not/might not + verb + complement
Example:
He may not travel to euro next week
Thanks man!