.Sally are playing the guitar
Sally isn't playing the guitar
Is Sally playing the guitar?
2. Joy and Jey are reading news paper
They aren't reading ...
Are they playing ...?
3. Mary and I are swimming ...
We aren't swimming ...
Are we swimming ...?
4. He is writting ...
He isn't writting ...
Is he writting ...?
5. You are visiting ...
You aren't visiting ...
Are you visiting ...?