The preterite tense is often used with specific time frames, eg yesterday, last week, last year. Most Spanish verbs are regular in the preterite tense. The Spanish preterite tense is used to ...
Usted' can be shortened to 'Ud' and 'ustedes' can be shortened to 'Uds'. Irregular verbs in the present tense in Spanish Irregular verbs don’t follow the usual pattern in the present tense.