(III)
15) is works
16) do you come
17) Can you speak
18) is raining
19) am watching
20) do you doing , am waiting
21) Are you reading
22) are having
23) is works , is helping
24) are look
(IV)
25) He often has breakfast late
26) Are you doing housework at the moment ?
27) I'm not go to school on weekends
28) John's girlfriend is wearing a red T-shirt now
29) Do they like beer or wine ?
30) What does he usually do at night ?
31) The teacher has never lose his temper