Are you studying French?
No, I am not.
Is he listening to music?
Yes, he is.
Are they eating ice-cream?
No, they aren't. They are eating hamburgers.
SHE / (X) / WRITE
SHE ISN'T WRITING
HE / (X) / DRAW
HE IS NOT DRAWING
WE / (+) / STUDY ENGLISH
WE ARE STUDYING ENGLISH
Is Lucy singing?
Yes, she is.
Is Mark swimming?
No, he isn't.
I / (X) / LISTEN TO MUSIC
I AM NOT LISTENING TO MUSIC
THEY / (+) / DANCE
THEY ARE DANCING
Are you studying English?
Yes, I am.
Is Candela reading a book?
No, she isn't.
MY FRIEND / (+) / READ A BOOK
MY FRIEND IS READING A BOOK