Question

The three main groups of verbs in spanish are AR, ER, and IR but how do they differ

Answer 1

ER and IR verbs are your regular present tense verbs.

The only difference between AR and ER is that you use E's instead of A's in the ER verbs.

The only difference between ER and IR is the nosotros and vosotros forms.

Answer 2

There are three types of verbs in Spanish and they're categorized by their endings. There are -AR verbs (like hablar), -ER verbs (like beber) and -IR verbs (like vivir).