1.She isN'T playing the piano.
Is she playing the piano?
2.I am NOT repeating my hometask.
Are you repeating my hometask
3.The dog isN'T barking.
Is the dog barking?
4.The mother isN'T cooking dinner.
Is the mother cooking?
5.He isN'T working in the kitchen-garden.
Is he working in the kitchen-garden?
6.We areN'T skating
Are we skating?
7.The sun isN'T shining brightly.
Is the sun shining brightly?
8.It isN'T raining hard.
Is it raining hard?