Exercise 6. Find the infinitives and underline them. 1. It seems to have been raining since the very morning. 2. They are glad to have been taught by such outstanding teachers. 3. I’m sure very soon I shall be sorry not to have spoken with you about it. 4. When she felt worse, she was sorry not to have consulted the doctor. 5. I know that when I return to town in autumn, my friend is sure to be working at her thesis. 6. Our teacher is glad to be teaching such clever students. 7. She is said to be writing a new book. 8. There is nothing to be done. Exercise 7. Change the sentences using the Passive Voice.