The preterite tense in Spanish is formed by adding the following endings to the ar
verbs:
2.yo -í, tú -iste, él/ella/usted -ió, nosotros -imos, ellos/ellas/ustedes -ieron
1.yo -é, tú -aste, él/ella/usted -ó, nosotros -amos, ellos/ellas/ustedes -aron