4. Compare the preterite tense conjugations to the present tense conjugations for an AR verb (hablar) as well as an ER/IR verb (comer) in this chart. Pay particular attention to the endings in the tú, nosotros, vosotros, and ellos/ellas/ustedes forms. What do the present and preterite endings for those subjects have in common? Do these patterns hold true for irregular verbs as well?

Present Tense Preterite Tense
Yo como/hablo yo comí/hablé
Tú comes/hablas tú comiste/hablaste
él/ella/usted come/habla él/ella/usted comió/habló
Nosotros comemos/hablamos nosotros comimos/hablamos
Vosotros coméis/habláis vosotros comisteis/hablasteis
Ellos/ellas/ustedes comen/hablan ellos/etc… comieron/hablaron