Помогите пожалуйста написать предложения в отрицательной и вопросительной форме.

I have much time.We are students.There are 14 floors in their house.I am from Kiev.His name is Steve.He is a first-year student.They are friend/I have much time.We are students.There are 14 floors in their house.I am from Kiev.His name is Steve.He is a first-year student.They are friend/ я немецкий учу