Patterns:
What are you doing?
I am brushing my teeth.
What is he(she) doing?
He is taking a shower
Dialogue:
Mummy: Mary, what are you doing?
Mary: I am brushing my teeth.
Mummy: Breakfast is ready. Call Jimmy. What is he doing?
Mary: He is taking a shower.
Mummy: Hurry up! You'll be late.