Exercise 5. fill in the gaps with the forms of have to. model: in my country children have to start school when they are seven. 1. everyone stay at school until sixteen. 2. men do military service. 3. you be sixteen to get married. 4. you have your parents permission to get married before you are eighteen. 5. you be eighteen to vote. 6. not everyone with a job pay taxes. 7. you have a license for a tv