My uncle have = has a nephew. (NOTE: Sophie, always remember that if your subject is only one person, we use the word "has". and, we use the word "have" for more than one person. EX: She has a niece. / They have  a new house. ^^)
He is a brave.

========================================================================================

Hi Sophie. :) Good job on your homework. :) Please remember my note. :) If you have any question regarding on my note, feel free to ask me. :) I hope that you'll have a fun Tuesday. :) See you tomorrow. Enjoy the rest of the night! Good night! ^^

~Teacher Lady ^.^~