1.was,2.were not, 3.had,4.did not using, 5.playing,6.liked,7.were doing, 8.went,9.visited,10.attended,11.had,12.were travelling, 13.could.
1.was,2.were not, 3.had,4.did not using, 5.playing,6.liked,7.were doing, 8.went,9.visited,10.attended,11.had,12.were travelling, 13.could.