1: The different forms of a very in an inflected language as they vary according to voice, mood, tense, number, and person.
2: A conjugation is the creation of derived forms of a verb from its principal parts by its inflection.
3: Ar, er, ir
4: yo, tú, él, ella, usted in the singular, and nosotros/nosotras, vosotros/vosotras, ellos/ellas, ustedes in the plural.
5:12
6: The stem
7: seperate the ar,er,ir ending from the verb, make any necessary stem changes if the verb is stem changing or irregular, add the appropriate verb ending to the stem.
Hope this can help:)