1) They will come in a few days. I shall give you a call in the evening. He will graduate from the University next year. My mother will help us with the cooking. It will get dark in an hour.
2) What car will my brother buy? When will I have my next holiday? How much will this new flat cost them? Where will my French friends stay? Which one will I bring you?
3) No, I won't. I won't bring you this book tomorrow. I will bring you this book in three days? No, she won't. She won't stay in a hotel She will rent a room.
No, I won't. I won't keep any pets. I will get a child.
Will they go to the cinema with us (be busy)? No, they won't. They won't go to the cinema with us. They will be busy.
No, he won't. He won't change his job. He will study.