Norwegian-English translations for om

about
us
The snake was coiled about his ankle.Rubbish was strewn about the place.The children were running about the room.
if
us
If it rains, I shall get wetIf A, then B, else C.I would prefer it if you took your shoes off.

on
us
Are we still on for tonight?Is the show still on?We had to ration our food because there was a war on
whether
us
He chose the correct answer, but I dont know whether it was by luck or by skillDo you know whether hes coming?Hes coming, whether you like it or not