What have they been doing?
They have been dancing
What has he been doing?
He has been swimming
What have they been doing?
They have been doing karate
What have they been doing?
They have been having a picnic
What has he been doing?
He has been playing the guitar
What has she been doing?
She has been waterskiing
What have they been doing?
They have been playing basketball
What have they been doing?
They have been sailing
What has he been doing?
He has been playing drums
What has he been doing?
He has been fishing
What has she been doing?
She has been playing the piano.
What has she been doing?
She has been ice-skating
What have they been doing?
They have been jogging/running
What has she been doing?
She has been playing the violin
What has he been doing?
He has been riding a bike
What has he been doing?
He has been skateboarding
What has she been doing?
She has been playing the recorder
What has she been doing?
She has been skipping rope