to be around	to be still in the same place so be able to be contacted
to be out to	to be aiming very seriously to do sth
to be through with	to want no more to do with sth or someone
to be off	1 to leave 2 cancelled
to be off	3 finish work 4to go bad, of meat etc
to be up to sth/no good	to be doing sth mischevious or dishonest
to be behind with one's work	to have allowed more&more (work) to accumulate
to be in for	to be going to get-usually sth unpleasant, nawarzyc sobie piwa
to be on	to take a place-of concerts,exhibitions etc
to be over at	a friend's-to be on a visit to a friend's house
to be behind	it all, to be really responsible for it
to be on to	someone about sth; to be continually criticising someone about sth
to be well up on	sth; to know a lot about sth