Task 11. замените эквиваленты соответствующими модальными глаголами 1. i have to stay here. 2. he was allowed to make an experiment. 3. the students are to take exams in june. 4. the children had to return to their native city. 5. who is able to do this work?
2He may make an experiment
3The students must take exams in June
4The children must return to their native city
5who can do this work?