Put the verbs in parentheses into the correct form.


When we saw him we (to realize) that he (to be guilty). The children still (to play) in the garden when their mother (to come back) from work. Now that the tests (to be done) we (to know) the origin of the disease. He always said that he (to give up) smoking but he never (to do) it. 5. It (to be) two years since he last (to visit) our country. 6. There (to be) no doubt that he (to know) the truth. 7. When I (to come up) to him he (to read) a letter. 8. They (to fight) for their rights ever since their leader (to die). 9. We just (to hear) on the radio that a famous film star from Los Angeles (to come) to Yerevan one of these days. The doctor wanted to know how long (to pass) since I last (to take) that medicine. 10. 11. When we (to enter) the room he (to read) a letter. 12. She (to leave) them as they (to start) teasing her. Oh, I (not to see) you for ages. Where (to be) you? 13. 14. She said she (not to make) any mistakes in her previous test, but it (not to be) true. 15. I knew they (to be married) for ten years and (to be) very happy. 16. Wherever Andrew (to walk) the dog (to follow) him as if it knew that he would soon leave that city, 17. I (not to go) there with him because I knew that they (not to like) me at all. 18. She (to leave) tonight but I don't know where she (to be) now. 19. The geography teacher (to announce) that her class (to have) a test at the next lesson. 20. When they saw each other again he (to tell) her that he (to look forward) to that meeting since autumn. ​