irregular and reguler : know, go, play, work, look, watch, give, write, ride, buy, come, live

know:irregular;  go:irregular; work:regular; look:regular; watch:regular; give:irregular; write:irregular  ride:irregular ;buy:irregular; come:irregular; live:regular

irregular :                                                         regular :
know,knew, known                                              play (ed)
go, went, gone                                                    work (ed)
give, gave, given                                                look (ed)
write, wrote, written                                             watch (ed)
ride, rode, ridden                                                 live (ed)
buy, bought, bought
come, came, come
                                    
voilà !