Посмотрите где я ошиблась в Английском?

Подскажите пожалуйста в каких примерах я ошиблась, помогите правильно написать
Задание 1)
Опровергните высказывания: Например: Mike is fifteen.- Mike is not fifteen. He is sixteen. 1) Her name is Nina.
2) His name is Pete.- His name is not pete.
3) Her name is Kate.- Her name is not Kate
4) his name is Mike.- his name is not Mike
5) He is Fifteen .- He is not fifteen
6) she is seventeen.- She is not seventeen
7) Pete is sixteen.- pete is not sixteen

Задание 2)
Усомнитесь в правильности данных утверждений. Например His name is Pete.- Is his name Pete?
1) Kate is fifteen.- Is she fifteen?
2) His name is Mike.- Is his name Mike?
3) Her name is Nina. - Is her name Nina?
4) Pete is sixteen . -Is Pete sixteen?
5) Nina is seventeen. - Is seventeen Nina?
6) Her Name is Kate. - is her name Kate?