You are doing / are not doing your homework.You are sleeping.
are not doing
Anita and John am singing / are singing a song at this moment.
are singing
Are they studying / Do they study mathematics now ?
Are they studying
It's raining heavily.The windows is not closing / are not closing.Please close it.
are not closing
The teacher is teaching / are teaching in front of the class.
is teaching
Hurry up! The bus is coming / are coming.
is coming
Listen! The phone are ringing / is ringing.
is ringing
Tom and Peter are playing / aren't playing football.
aren't playing football
I am swiming / am swimming in the pool at this time.
am swimming
Is / Are a chef cooking in the kitchen now ?
Is a chef cooking
I'm so hungry. I WANT / AM wanting to eat something.
am waiting
Peter writes / is writing a report now.
is writing
Look! The sun shines / is shining.
is shining
Laura is making / isn't making a cup of tea.
is making