I
would have pitter-pattered
you
would have pitter-pattered
he / she / it
would have pitter-pattered
we
would have pitter-pattered
you
would have pitter-pattered
they
would have pitter-pattered
I
would be pitter-pattering
you
would be pitter-pattering
he / she / it
would be pitter-pattering
we
would be pitter-pattering
you
would be pitter-pattering
they
would be pitter-pattering
I
would have been pitter-pattering
you
would have been pitter-pattering
he / she / it
would have been pitter-pattering
we
would have been pitter-pattering
you
would have been pitter-pattering
they
would have been pitter-pattering