Напишите 3 формы глаголов: слышать, держать, посылать, говорить, учить. Расскажите о Past Perfect Progressive (функция, формула, сигнальные слова, отрицательная и вопросительные формы)​

1. This doctor will often send. 2. At the railway station he always
meet friends. 3. You in school give the book to read? 4 Prisoners held in
the great hall. 5. What exercises you did in class? 6. Who wrote this letter?
7. Next year they will build many schools. 8. This work will be completed on
next week? 9. Above them all laugh. 10. When were planted these apples? 11.
In the Institute he often remembered and talked about it. 12. We will meet at the station?
13. The answer will be sent within a few days. 14. When you asked?
15. This translation will be completed in a few days. 16. This book will return
in time? 17. At the railway station he will meet the Pope. 18. This picture was painted in the 16th century. 19. These books are used for
work? 20. In Italy we will show a lot of attractions. 21. Behind this
the man was huge crowd. 22. When you read a new story, someone knocked on
a door. 23. You already invited the evening? 24. When mother came, the dinner was already
welded.