Sp 102 "the preterite" and "stem-changing verbs in preterite tense"

Endings for preterite -ar verbs (with hablar as example)?

Yo hablé

Tu hablaste

El/ella/usted habló

Nosotros(as) hablamos

Vosotros(as) hablasteis

Ellos/ellas/ustedes hablaron

Preterite endings for -er verbs (using comer as example)?

Yo comí

Tu comiste

El/ella/usted comió

Nosotros(as) comimos

Vosotros(as) comisteis

Ellos/ellas/ustedes comieron

Preterite endings for -ir verbs (using escribir as example)?

Yo escribí

Tu escribiste

El/ella/usted escribió

Nosotros(as) escribimos

Vosotros(as) escribisteis

Ellos/ellas/ustedes escribieron

How to conjugate -ar and -er verbs that have stem changes?

These verbs that normally have stem changes in present tense will not have them in preterite

How to conjugate in preterite tense for verbs ending in -car, -gar, or -zar (first person specifically)?

For -car → add ending “qué”

For -gar → add ending “gué”

For -zar → add ending “cé”

What are the conjugations for third person singular and plural for leer and oír?

Leer:

• El/ella/usted → leyó

• Ellos/ellas/ustedes → leyeron

Oír:

• El/ella/usted → oyó

• Ellos/ellas/ustedes → oyeron

Last night

Anoche

Yesterday

Ayer

Last week

La semana pasada

How to conjugate -ir verbs with stem changes in the present tense to preterite tense?

Stem-changes do happen, but only in third person singular and plural forms (e→i and o→u)