I would rather people ... (not litter).
didn't litter
I would rather my son ... (tidy up) his room from time to time.
tidied up
I would rather my friends ... (not call) me at night.
didn't call
I would rather my relatives ... (warn) me that they were coming
warned/ had warned
I would rather my flatmate ... (ask) me before borrowing the dress.
asked/ had asked
I would rather my neighbours ... (not make noise) at night.
didn't make noise
I would rather my employees ... (show up) on time.
showed up
I would rather my husband ... (not be) so busy and ... (spend) more time with me.
wasn't, spent