1 2 heard 3 opened 4 was opening 5 were trying
6 climbed 7 crept 8 was standing 9 listening 10 saw 11 was moving 12 was
holding 13 searching 14 knew 15 were looking
2 1 were
cleaning, started 2 was driving, remembered 3 was cooking , came 4 heard, was
sitting 5 was typing , arrived 6 was digging, found 7 was riding, noticed 8 was
doing, rang