Определите функцию глагола «to be». 1. глагол - связка 3. модальный глагол 2. вспомогательный глагол 4. смысловой глагол 1.Our house is in the center of the city. 2. My friend is a doctor. 3. What are you doing here? 4. All the students are to take their exams in June. 5. The operators are working in the lab now. 6. Our train is to leave at 10 o'clock. 7. Is your son a teacher? 8. Last week they were in Moscow. 9. She is a well- known writer. 10. This work will be done in time. 11. Are we to do this exercise at home? 12. Where is this museum? 13. There was nobody in the room. 14. Both of you are to attend these seminars. 15. Who is this man? 16. New machines are being tested now. 17. Everybody is present today. 18. When is the plane to arrive in Khabarovsk?