KELLY: My mom is bad. - CORRECT

KELLY: My mom is worse than my dad. - CORRECT

KELLY: my mom is worst than my dad.

CORRECT: My mom is worst than my dad.

KELLY: Becouse, my mom is every day angry to me.

CORRECT: It's because, My mom is always angry at  me.

My dad is good. - CORRECT

My dad is better than my mom. - CORRECT

My dad is best than my mom. _ CORRECT.

Hi, Kelly! I believe that these are just your example sentences for those words that I asked you to construct sentence wit. I know that your Mom and your Dad are always the best. I'm very happy that you're showing improvements when it comes to sentence construction. Keep up the good work Kelly!