Ответ: Утвердит-е пред-я:1. Mike is a student.2. Helen has a car.3. You are a good friend.4. You are good friends.5. It is difficult to remember everything.Отриц-е пред-я:1. Mike is not a student.2. Helen doesn’t have  a car.3. You are not a good friend.4. You are not good friends.5. It is not difficult to remember everything.Вопрос-е пред-я:1.  Is Mike  a student?2.  Does Helen have a car?3.  Are you a good friend?4.  Are you good friends ?5. Is tt is difficult to remember everything?