Regular IR verbs in Spanish have unique endings when we use them in the present tense. Let’s make it simple:

Conjugation Endings:

1. For Yo (I), you add -o.
   (Example: vivir → yo vivo)

2. For Tú (You), you add -es.
   (Example: vivir → tú vives)

3. For Él/Ella/Usted (He/She/You - formal), you add -e.
   (Example: vivir → él vive)

4. For Nosotros/Nosotras (We), you add -imos.
   (Example: vivir → nosotros vivimos)

5. For Vosotros/Vosotras (You all - informal in Spain), you add -ís.
   (Example: vivir → vosotros vivís)

6. For Ellos/Ellas/Ustedes (They/You all), you add -en.
   (Example: vivir → ellos viven)

Example Sentences:

• Yo vivo en una casa. (I live in a house.)
• Ellos comen frutas. (They eat fruits.)

Make sure to use the correct subject when you add these endings!