1 changed-was/were changed- was/were changing
started-was/were started-was/were starting
dressed-was/were dressed- was/were dressing
saw-was/were seen-was/were seeing
popularized - was / were popularized- was/were popularizing
wore- was/were worn- was/were wearing
used- was/were used- was/were using
played- was/were played- was/were playing
had- - -was/were having