Answer:
I am not sure which one it is. But here is an explanation for it.
Explanation:
The conjugation endings in bold for the present tense -ir verbs are -o, -es, -e, -imos, -en. The only change between the regular -ir and -er verbs in the present tense is the nosotros (we) form. In sum, these are the present tense regular verb endings: -ar verbs. -er verbs.