How do I conjugate regular verbs in the preterite tense?

As you may be aware, there are three verb types in Spanish, those ending in -ar, those ending in -er, and those ending in -ir. Much like in the present tense, they have different endings. However, the preterite is arguably more simple as the -er and -ir verbs share a set of endings, meaning there are only two for you to learn. To form -ar verbs in the preterite, take the infinite form of the verb (this is the verb which hasn't been conjugated, e.g. caminar-to walk) and remove the ending. In this case, 'caminar' would become 'camin' You then add the following endings depending on whom are you are addressing: Yo -é Tú- aste Éll/ella/usted-ó  Nosotros- amos Vosotros- asteis  Ellos/ellas/ustedes- aron Therefore, 'Caminar' as a regular verb, is conjuagted as follows in the preterite: Caminé, Caminaste, Caminó, Caminamos, Caminasteis, Caminaron. This translates as; I walked, you walked, he/she walked, we walked, you (pl) walked and they walked As I previously mentioned, -er and -ir verbs share a set of endings. Following the same rules as with -ar verbs, you take the infinitive form of a verb, e.g. 'Vivir-to live' and remove the ending, leaving you with -ir. Then you add the following endings to form the verb: Yo- í  Tú- iste Él/Ella/Usted- ió Nosotros- imos Vosotros- isteis  Ellos/Ellas/ Ustedes- ieron This leaves you with 'Vivir' conjugated in the preterite tense: Viví, viviste, vivió, vivimos, vivisteis, vivieron. This translates as, I lived, you lived, he/she lived, we lived, you (pl) lived, they lived. Now I would like you to conjugate the verbs 'Comer', 'Mirar' and 'Salir' Whlst these rules apply for the majority of words, there are others which don't fir the rule, much like in other tenses. The main verbs which you ought to know are 'Ser' and 'Ir'. Fortunately for you, they are identical in the preterite tense. Unfrotunately, there is no formula for their formation, they just need to be learned. Learning these would be good preparation for more work on irregulars at another point. Yo- Fui Tú- Fuiste Él/Ella/Usted- Fue Nosotros- Fuimos Vosotros- Fuisteis Ellos/Ellas/Ustedes- Fueron This translates as:- I went/was, you were/went, he/she was/went, we were/went, you(pl) were/went, they were/went There are also other irregulars which include tener and dar, although these could be covered another time in miore detail.