Раскройте скобки и поставьте глагол в past simple или в past perfect . 1. when i ( to come ) home , mother ( to cook) dinner . 2. when father ( to return ) from work , we already ( to do ) our homework . 3. when the teacher ( to enter ) the classroom the pupils already ( to open ) their books. 4 . kate ( to give ) me the book , which she ( to day ) before yesterday. 5. nick ( to show) the teacher the picture wick he ( to draw) 6. the boy ( to give ) his sister the flowers which he ( to bring ) from the field. 7. mother ( to see) that nick ( not to wash) his hands. 8. the teacher ( to understand ) ann ( not to do ) her homework. 9. i ( to learn ) that my friend ( not to come ) yet . 10. i (to finish) my work at 7 o'clock . 11. i (to finish) my work bay 7 o'clock. 12. he( to think )that he (to lose ) his money . 13. where the children ( to wake up) yesterday, the father already ( to leave ) for work . 14. yesterday she ( to write) a letter to a friend , whom she ( to meet) in the summer. 15. he ( to study) french before he ( to enter ) the university. 16. everybody ( to know) that their teacher ( to get ) an education in parish . 17. he (want ) to play the main role , because he ( to organize) the theatre . 18. lanny ( not to know) who ( to attack) him in the darkness . 19. the girl ( to de ) glad that she ( to find ) a windows seat . 20. by the time the trine ( to reach ) the station he ( to make )find with many passengers . .