Be after – Try to find or get
Be along – Arrive
Be away – Be elsewhere: on holiday, etc.
Be down – Be depressed; Be reduced or less
Be down on – Have negative feelings toward someone
Be down with – Be ill
Be fed up – Be bored, upset or sick of something
Be in – Be at home or at work; Be submitted, arrive
Be in on – Be involved in
Be not on – Be unacceptable
Be off – Be bad (of food); Depart, leave
Be on – Be functioning (of machines); Take place; Be at the top of one’s game, performing very well
Be on about – Mean, try to say
Be onto – Pursue, be aware of someone’s true nature
Be out – Be absent from a place
Be out of – Have no more left
Be out to – Attempt
Be snowed under – Have too much work
Be taken aback – Be shocked or surprised
Be taken with – Like something
Be up – Be out of bed; Have increased or risen; When the time for something finishes or expires
Be up for – Be enthusiastic about an upcoming event
Be up to – Be good enough; – Doing something naughty or wrong