Answer:
Read below for the answers + Explanation
Step-by-step explanation:
conjugations are bolded.
1. caminamos
2. canté
3. caminó
4. llevaste
5. usó
6. buceó
In the case of -ar verbs, which is what all of these are, the conjugation table for preterite of -ar verbs are as follows:
Yo: -é
Tú: -aste
Él/ella: -ó
Nosotros: -amos (Same as present-tense!)
Vosotros: -asteis
Ellos/ellas: -aron