Мы изучаем презен симпл и презент континиос и там нужно поставить предложения в отрецательную форму и к ним вопрос например

1. Mary is sleeping. -  Mary is not sleeping. Is Mary sleeping? Yes, she is. 2. You are listening to the radio.-  You are not listening to the radio. Are you listening to the radio? Yes, you are. 3. I am studying. -  I am not studying. Am I studying? Yes, I am. 4. You are not eating now. - Are you eating now? Yes, you are eating now.