1.happened 2.were walking 3.were taking. 4.were getting. 5.said 6.caught 7.were sunbathing 8.appeared 9.were playing 10.was reading 11.heared 12.stole. 13.was coming 14.saw 15.opened 16.found 17.was looking 18.was thinking. 19.came 20.arrested 21.was sitting. 22.got 23.found