9- could not has already gone
10- had not cleaned
11- showed had bought
12- wenthad called
13- was... had written
14- understood... had not learnt
15- stopped hadn't wind
16- washad not flown
17- phoned...had already known
18- found...had already left
19- missedhad met
9- could not has already gone
10- had not cleaned
11- showed had bought
12- wenthad called
13- was... had written
14- understood... had not learnt
15- stopped hadn't wind
16- washad not flown
17- phoned...had already known
18- found...had already left
19- missedhad met