Definition 1 of 4
Ensure the verb form matches the subject in person and number when you conjugate.
I go, you go, he goes - 'goes' only with he, she, it.
Some verbs are irregular and follow different rules, so watch for those when conjugating.
'To be' conjugates irregularly: I am, you are, he is.
Conjugating changes with tenses; remember that present, past, and future tenses have different forms.
I eat (present), I ate (past), I will eat (future).