What is she doing?
Is she crying? / She's crying.
What is he doing?
Is he running? / He's running.
What is she doing?
Is she kissing Mario? / She's kissing Mario.
What are they doing?
Are they sleeping? / They're sleeping.
What is he doing?
Is he eating? / He's eating
What is she doing?
Is she having breakfast? / She's having breakfast.
What are they doing?
Are they dancing? / They're dancing.
What is she doing?
Is she swimming? / She's swimming.
What are they doing?
Are they playing? /They are playing.
What is she doing?
Is she playing the bass ? / She's playing the bass.
What are they doing?
Are they watching TV? / They're watching TV
What is he doing?
Is he taking a picture? / He's taking a picture.