I
would have collateralized
you
would have collateralized
he / she / it
would have collateralized
we
would have collateralized
you
would have collateralized
they
would have collateralized
I
would have been collateralizing
you
would have been collateralizing
he / she / it
would have been collateralizing
we
would have been collateralizing
you
would have been collateralizing
they
would have been collateralizing