Поставьте предложения в вопроситеьную и отрицательную формы. 1.ann is standing at the window. 2.we are going to the park. 3. john is taking a piece of chalk and writing a sentence on the blackboard. 4. i am doing my homework. 5. jane is speaking on the telephone. 6. she is cooking supper.

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)