I prefer to eat chocolate cake now. Do you prefer to eat chocolate cake now? What do you prefer to eat? Do you prefer to drink cola? What do you prefer to drink? What kind of food do you prefer to cook?
I want to play the guitar. Do you want to play the guitar this afternoon? Do you want to dance this afternoon? Do you want to go for a walk this afternoon? Do you want to read a book tonight? What do you want to do today?
They are waiting for the bus. Are you waiting for the bus? Are you waiting for a train? Are you waiting for a tram? What are you waiting for? Who are you waiting for?
When Peter is at work, Mary looks after their children. I look after my niece. Do you look after your niece? Who do you look after on Tuesday and Thursday? Who do you look after on Monday and Wednesday? Who do you look after at the weekend?