Practice 1 Underline the correct phrase in each sentence. a) What time go you/do you go to bed on Saturdays? b) Why are you waiting/do you waiting outside the door? c) Don't ask Tim. He doesn't know/not knows the answer. d) I having/I'm having my lunch at the moment. e) When you leave/do you leave the house in the morning? f) I don't understand. What is happening/is happen? g) Excuse me, does you know/do you know the time? h) This is a great party. I'm having/Ain I having a lovely time