> I think I would use over for all of those. Is that wrong? You're probably right, I should have tried harder to find a better example. The "on" doesn't sound

> I think I would use over for all of those. Is that wrong? You're probably right, I should have tried harder to find a better example. The "on" doesn't sound too awkward to me, though, and I might say it just to avoid saying "over" three times in a row.