Question

Is this word a stem changing verb or a regular verb?

Dormir

Answer 1

"Dormir" is a stem-changing verb in Spanish. It is an irregular verb that undergoes a vowel change in its stem in certain conjugations. In the present tense, for example, the stem changes from "o" to "ue" in all forms except for the first and second person plural (nosotros and vosotros). For example:

- Yo duermo (I sleep)
- Tú duermes (You sleep)
- Él/Ella/Usted duerme (He/She/You formal sleep)
- Nosotros/Nosotras dormimos (We sleep)
- Vosotros/Vosotras dormís (You all sleep)
- Ellos/Ellas/Ustedes duermen (They/You all formal sleep)

So, to answer your question, "dormir" is a stem-changing verb, not a regular verb.