1) A: When do you think John will be back?
B: I think he'll be back on Saturday
A: It's wonderful! Saturday is my day off, I will be happy to meet him at the station!
2) A: I can't wait to see him again. What are you doing at the weekend?
B: I don't know. Why are you asking?
A: I think that if you have time, we will get together at my house
3) A: I'm going to the café, but I don’t have any money. Would you like to come with me? If you buy me a sandwich, I will help you with your work.
B: I’m so busy today. I just don't have time. Here is a five dollar bill. Buy two sandwiches, two coffees, and get back with them fast. We have some work to do.
A: Oh, thank you very much. You're a real friend.
4) A: I'm so hungry. Let’s get some hamburgers
B: Can you wait a little? I really must clean the kitchen floor before we go out
A: Good! I can help you if you want.
2) are
3) am
4) is
2.
1) was
2) were
3) was
4) were
5) was
6) were
7) was
8) was
9) were