20 4. complete sentences with the modal verbs from the box. can could a be able to u should must have to may might 1. if you want to study in this school, you 2. when you cross the street, you 3. she 4. he 5. 6. we 7. she 8. i go only on the green light. answer all the questions if she reads this book skate better when he was younger i open the window? write a poem or a composition for the contest. study chinese, it was compulsory speak three languages