We analyze the construction of a sequence space Θ, resp. a
sequence of sequence spaces, in order to have {gi} as a
Θ-frame or Banach frame for a Banach space X, resp.
pre-F-frame or F-frame for a Fr\'echet space XF=∩s∈N0Xs, where {Xs}s∈N0 is a sequence of Banach spaces