Listen! Someone (sing).
is singing
What you (do) now?
What are you doing now?
Your cat (eat)?
Is your cat eating?
We (go) to school by bike today.
are going
Kevin (take) a shower?
Is Kevin taking a shower?
I (not eat) now.
am not eating
Suzie (do) her homework at the moment.
is doing
He and his friends (not learn) Spanish at the moment.
aren't learning
You (sleep)?
Are you sleeping?
They (wait) for you at the door now.
are waiting