Выполнить по

v. перепишите следующие предложения, подчеркните в каждом из
них модальный глагол или его эквивалент.
1. what time do we have to be at the station?
2. the man was unemployed because he couldn’t find a job.
3. the pupils at most schools in britain have to wear uniforms.
4. my friend is to meet me at the airport the day after tomorrow