С 9 по 19
Past Perfect
Past Simple

Ответ:

9- could not.... has already gone

10- had not cleaned

11- showed.... had bought

12- went....had called

13- was... had written

14- understood... had not learnt

15- stopped.... hadn't wind

16- was....had not flown

17- phoned...had already known

18- found...had already left

19- missed....had met