How do you know what type of verb you are dealing with?

The answer to this question is to look for the verb word you are trying to change. You could add (ir, er, ar) to the ending of the verb word. A lot of verb words to conjugate are easily identifiable by their endings; primarily if they are in infinitive form; where these words end in at, er, ir.

The answer is a it says that he/she will practice the interview in third head