вставить нужную форму глагола. 4. He... not at the institute yesterday. 5. We... in the classroom now. 6. They... in the next room. 7. ... you... at the seminar tomorrow? 8. Her sister ... a good engineer. 9. Yesterday two students... absent. Today all... present. 10. Next Monday the first lesson... ... English. 11. I... ... very busy tomorrow. 12. G. Byron... born in 1788. 13. ... you married? - Yes,... 14. ... your Friend from Minsk? - No, he ... from Moskow. 15. My parents ... not very old. 16. What ... your sister's name? 17. My brothe... ... an operator next yeat. 18. We... buse with mathematics yesterday. 19. My Friend... fond of books.

4.is 5.are 6.are 7.are 8. is 9. are 10. is 11. am 12.was 13 are, I am 14.is 15. are 16.is 17. is 18. are 19. is Как-то так, но проверяй