Spanish preterite. Irregular verbs. Third conjugation with pattern ou, u

Let’s see some examples with the first pattern dormir (ue, u)

9. I drank a lot of coffee this morning.

10. Did you (fam. sg.) receive the gift from Elena yesterday?

12. His head ached last night.

Dormir

Subject Pronoun Stem Termination Meaning
yo dorm í I slept
tudormiste you slept
el/elladurmhe/she slept
usted (tu formal) durmyou (formal) slept
ustedes durmieronyou guys slept
nosotros dormimoswe slept
ellos/ellas durmieron they slept

The other verb that follows the same pattern is only:

Morir