Who is running?
HE is running.
Who is eating pasta?
SHE is eating pasta
Who is swimming?
THEY are swimming.
Who is talking?
THEY are talking.
Who is blowing bubbles?
HE is blowing bubbles.
Who is singing?
HE is singing.
Who is bouncing?
IT is bouncing.
Who is reading?
SHE is reading.
Who is playing?
THEY are playing.
WHO is painting?
SHE is painting.
Who is sleeping?
IT is sleeping.
What is outside?
IT is outside.
What is this?
IT is a red pen.
Who is jumping?
THEY are jumping.