11. the cat (to drink) all the milk which i (to give) it. 12. you ever (to be) to piccadilly circus? 13. he (not to read) turgenev since he was a pupil. 14. they (to reach) the river by sunset. 15. i (not yet to receive) an answer to my letter. 16. she is very happy: her son (to finish) school. 17. my brother (to train) at the stadium from six till eight yesterday. 18. my sister (to buy) a pair of nice model shoes this month. 19. i (not to dance) for ages. 20. when nick (to come) from school, his friends (to play) in the yard. 21. when your sister (to go) to london? 22. my friend just (to recover) after a serious illness. 23. i never (to be) to the bahamas. 24. at this time yesterday we (to talk) about you.

11. The cat drank all the milk which I had given it. 12. Have you ever been to Piccadilly Circus? 13. He has not to read Turgenev since he was a pupil. 14. They had reached the river by sunset. 15. I have not yet received an answer to my letter. 16. She is very happy: her son has finished school. 17. My brother was training at the stadium from six till eight yesterday. 18. My sister has bought a pair of nice model shoes this month. 19. I haven't danced for ages. 20. When Nick came from school, his friends were playing in the yard. 21. When did your sister go to London? 22. My friend has just recovered after a serious illness. 23. I have never been to the Bahamas. 24. At this time yesterday we were talking about you.