4.1.
2. Are you going now?
3. Is it raining?
4. Are you enjoying the film?
5. Is that clock working?
6. Are you waiting for a bus?
4.2.
2. Where is she going?
3. What are you eating?
4. Why are you crying?
5. What are they looking at?
6. Why is he laughing?
4.3.
3. Are you listening to me?
4. Where are your friends going?
5. Are your parents watching television?
6. What is Jessica cooking?
7. Why are you looking at me?
8. Is the bus coming?
4.4.
2. Are you wearing a watch? – Yes, I am.
3. Are you eating something? – No, I’m not.
4. Is it raining? – No, it isn’t.
5. Are you sitting on the floor? – No, I am not.
6. Are you feeling well? – Yes, I am.