jugar ⇝ 1st conjugation
detener ⇝ 2nd conjugation
Remember that in verbs there are three conjugations:
- "-ar" ⇝ is the first conjugation
- "-er" ⇝ is the second conjugation
- "-ir" ⇝ is the third conjugation
Remember that the endings of the conjugations are only in the impersonal form, the infinitive form.