Use the preterite (completed past) of caminar: Ayer, nosotros ___ al parque.
caminaste
caminó
caminamos
caminé
A hint
Use the regular -ar preterite ending for the stated subject; preserve the accents in -é and -ó.
Answer & why
Answer: caminamos
The requested completed-past form for Nosotros is caminamos. Ayer means yesterday; the regular -ar preterite endings include -é, -aste, -ó, -amos and -aron.
Use the preterite (completed past) of comprar: Ayer, ellos ___ pan.
compraron
compré
compró
compraste
A hint
Use the regular -ar preterite ending for the stated subject; preserve the accents in -é and -ó.
Answer & why
Answer: compraron
The requested completed-past form for Ellos is compraron. Ayer means yesterday; the regular -ar preterite endings include -é, -aste, -ó, -amos and -aron.
Use the preterite (completed past) of estudiar: Ayer, tú ___ historia.
estudiaste
estudié
estudiamos
estudió
A hint
Use the regular -ar preterite ending for the stated subject; preserve the accents in -é and -ó.
Answer & why
Answer: estudiaste
The requested completed-past form for Tú is estudiaste. Ayer means yesterday; the regular -ar preterite endings include -é, -aste, -ó, -amos and -aron.