What - to do
He/She/It is sleeping.
What - to write
He/She is writing an email.
What - to buy
She's buying a car.
What - to look for
She's looking for clothes.
What - to watch
He's watching tv/series/ a movie.
What - to eat
- What is she eating? - She is eating a sandwich.
What - to make
He's making bread/pizza.