1) 1 - Usain Bolt doesn't play tennis.
2 - My grandfather watches TV all day.
3 - I don't get up at 5 a.m.
4 - My sister finishes school at 3.30 p.m.
5 - My parents don't do homework.
6 - My friends and I go to school on Friday.
7 - My teacher has lunch at school.
2) Tim: Do you go home by bus?
Jeff: Yes, I do. How do you go home?
Tim: I walk.
Jeff: Do you do your homework when you get home?
Tim: No, I don't.
Jeff: When do you do it?
Tim: After dinner.
3) 1 - Sometimes I read comics.
2 - My sister always listens to hip-hop.
3 - I'm never late for school.
4 - She usually has music lessons at the weekend.
5 - I often go out with my friends.
2.I don't feel good today. If I felt better, I would take a walk in the park today.
3.I have a cold today, but I will probably feel better tomorrow. If I feel better tomorrow, I will go to class.
4.I'm sorry that you didn't come to the party. If you had come, you would have had a good time.
5.I didn't know that Bob was sick. If I had known that he was sick, I would have taken him some chicken soup.
6.I'm tired. If I were not tired, I would help you.
7.Snow is predicted for tomorrow. If it snows tomorrow, I will stay home.
8.I may have a dollar. Let me look in my wallet. If I have a dollar, I will lend it to you.
9.I don't have any money. If I had a dollar, I would lend it to you.
10.I didn't have a dollar yesterday. If I had had a dollar yesterday, I would have lent it to you.
11. I didn't know it was your birthday yesterday. I wish you had told me. I would have got you present if I had known it was your birthday yesterday.
13.Why didn't you tell me when your plane was supposed to arrive? If you had told me, I would have picked