It's just the past participle, surely?
(
Mrs Trellis GIN,
Tue 18 Sep 2007, 15:26,
archived)
don't cross the beams!
(
Prof UnderCover evitable,
Tue 18 Sep 2007, 15:32,
archived)
present participle really
but shhh
(
Debbilgrrrrl is kinda back,
Tue 18 Sep 2007, 15:47,
archived)