In Irish, there are different endings for verbs depending on who or what is the subject - who is doing the action in the sentence. But what has this got to do with conjugation? Well, in Irish ...

Verbs that obey standard rules of conjugation in their native language ... trace the evolution of the irregular verbs, moving backwards in time from the observed Modern English distribution ...

If you choose ring as your model verb, and then bring as your input verb, bring will conjugate the way that ring normally does. (You will get bring brang brung as your output.) Look carefully at ...