Conjugation is a very long word, isn't it? In grammar, when you conjugate a verb, it just means that you change the verb in order for a sentence to make sense. Correctly conjugated verbs ...

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 ...

Next, if a verb has the vowel I in its syllable just before MASU, there are two patterns for this conjugation. For one, you remove MASU, and add RU. For example, ORIMASU (to get off) becomes ORIRU.