Correct the mistakes 1) he am sailing at the moment. 2) my brothers are surf right now. 3) is you playing the guitar now? 4) they not making a sandcastle at the moment. 5) the children is eating an ice cream now.

He is sailing at the moment
My brothers are surfing right now
Are you playing the guitar now?
They are not making a sandcastle at the moment
The children are eating ice-cream now