Hello  Emily!^^ I am not expecting that you will use these words in a sentence but thank you for doing it anyyway.

Emily: -He is very pretend. I know that he behaves kindly to his teacher, but he behaves badly to his freinds.
Correct: He is pretentious. He is behave to his teacher but not to his classmate.
Explanation: Be careful in choosing the words in your sentence.

Creative
-Picasso drew many creative pictures. I like them. -Correct