6,7,8,9,10 умоляю поставить глаголы в утвердительную, вопросительную, и отрицательную форму презент симпл пожалуйста помогите заранее спасибо

6. Mike is a student. Mike isn't a student. Is Mike a student?7.Helen has a car. Halen doesn't have a car. Does Halen have a car?8.You are a good friend.You aren't a good friend. Are you a good friend?9 You are good friends. You aren't good friend. Are you good friends?10. It is difficult to remember everything.It is not difficult to remember everything.Is it difficult to remember everything?