1. Is Ann standing at the window? (вопросительное)
Ann isn't standing at the window (отрицательное)
2. Are we going to the park? (вопросительное)
We aren't going to the park.(отрицательное)
3.Is John taking a piece of chalk and writing a sentence on the blackboard? (вопросительное)
John isn't taking a piece of chalk and writing a sentence on the blackboard.(отрицательное)
4. Am I doing my homework? (вопросительное)
I am not doing my homework. (отрицательное)
5. Is Jane speaking on the telephone? (вопросительное)
Jane isn't speaking on the telephone. (Отрицательное)
6. Is she cooking supper? (вопросительное)
She isn't cooking supper.(отрицательное)