shows mutual activity between this place and the first place of the current bridi; members participating in the activity are put into the first place (that e.g. can be formed by connecting sumti with {ce} or {jo'u})
x1 is passively x2-able (especially «se x2») under conditions x3; x1 is such that event x2 (nu) can happen to it; it is possible that x1 may undergo x2.