954651 Who do you think wrote that graffiti on the wall? CK 1 1026058 Tom doesn't know who wrote the graffiti on the wall. CK 1 1086389 The wall is covered with graffiti. shanghainese 320272 The wall was covered with graffiti. shanghainese 1476202 The walls were covered with graffiti. Spamster 1093730 Tom has a pretty good idea who painted graffiti on his wall. CK 2957428 Tom knows who it was who painted graffiti on your garage door. CK