6. will exchange Will they exchange will will leave are going to have will have will pin will have

7. won't succeed will find will be won't leave

8. Many people believe they will marry before having children. Some people think they will marry when they are young. Most Americans will have small- or medium-sized weddings.

11. will you be staying are going to be arriving will be leaving will be needing are not going to be arriving will probably be working

12. More than a hundred guests are going to be attending. The bride's parents will be travelling all the way from India. They won't be staying at a hotel. They're probably going to be staying with relatives.