The Past (n.) is, along with the future, not a static container, nor a part of temporal objects, or even a point of time... past and future are rather the ways in which temporal objects and the points of time they occupy appear to us.
The Past (n.) is, along with the future, simply a mode or style of of non-being (it is the 'no-longer' while the future is the 'not-yet').
The Past (n.) is constitutive of dasein's 'to be'. It is not something dead and buried, but rather it takes on an urgency because past experiences are what ceaselessly set the boundaries for future hopes and dreams.
The Past (n.) is following the literal German (die gewesenheit), 'what has been and still is.'.
The Past (n.) is not determined by what has been nor by what results from it, but by the possibilities of its future.
The Past (n.) is nothing but the fact that, in factical life, we find ourselves delivered to a situation that must be dealt with somehow.
The Past (n.) is nothing other than that which we inherit and share with others. The future is nothing but the possibilities we pursue that define us as individuals.
The Past (n.) is nothing other than those experiences which delineate the territory of future possibilities and future potentialities.
The Past (n.) is simply what we call things in their mode of hiding from view, things as they go about simply being whatever they are.
The Past (n.) characterizes dasein. Dasein is in fact nothing other than its past which 'historicizes' out of its future on each occasion.
The Past (n.) is what set the boundaries for future hopes and dreams.
The Past's (n.) passing is something other than what has been. Rather it is the 'coming of what has been'. It is the gathering of what endures, endures as what grants endurance, and endures in a way that it needs us as the messengers.
Past (n.) characterizes dasein (everydayness) for dasein's being, though it exist in the present, is constituted by a notion of the living past.
The Past (n.) is never entirely gone, since its possibilities remain with us in the form of a heritage.
The Past (n.) is, when dealt with authentically, reflecting “repetition,” and when dealt with inauthentically, “forgetting.”
Past (n.) is being thrown - already being in a world.