1s = first person singular; 2p = second person plural, etc.
| Ending | Conjugation of verb | Form |
|---|---|---|
| -a, -á | -ar, also ir | 3s present |
| -aba | -ar | 1,3s imperfect |
| -abais | -ar | 2p imperfect |
| -ábamos | -ar | 1p imperfect |
| -aban | -ar | 3p imperfect |
| -abas | -ar | 2s imperfect |
| -ais, -áis | -ar, also ir | 2p present |
| -amos | -ar | both 1p present and 1p preterite |
| ir | 1p present | |
| -an | -ar, also ir | 3p present |
| -ando | -ar | gerund |
| -a | -ar | infinitive |
| -aron | -ar | 3p preterite |
| -as | -ar, also ir | 2s present |
| -aste | -ar | 2s preterite |
| -asteis | -ar | 2p preterite |
| -é | -ar | 1s preterite |
| -e | -ar | 1s preterite andar, estar |
| -er/-ir | 3s present | |
| 1s preterite irregular verbs, dije, tuve, etc. | ||
| -éis, -eis | -er | 2p present |
| -emos | -er | 1p present |
| -en | -er/-ir | 3p present |
| -er | -er/-ir | infinitive |
| -es | -er/-ir | 2s present |
| -i, -í | -er/-ir, plus dar | 1s preterite |
| -ía | -er/-ir | 1,3s imperfect |
| -íais | -er/-ir | 2p imperfect |
| -íamos | -er/-ir | 1p imperfect |
| -ían | -er/-ir | 3p imperfect |
| -ías | -er/-ir | 2s imperfect |
| -iendo | -er/-ir | gerund |
| -ieron | -er/-ir | 3p preterite |
| -imos | -ir | 1p present |
| -er/-ir, plus andar, dar, and estar | 1p preterite | |
| -io | dar, ver | 3s preterite |
| -ió | -er/-ir | 3s preterite |
| -ir | -er/-ir | infinitive |
| -ís | -ir | 2p present |
| -iste | -er/-ir, plus andar, dar, and estar | 2s preterite |
| -isteis | -er/-ir, plus andar, dar, and estar | 2p preterite |
| -o | irregular -er/-ir, plusandar, dar, and estar | 3s preterite |
| all verbs | 1s present | |
| -ó | -ar, unless preceded by i or y, in which case it's an er or ir verb. | 3s preterite |
| -omos | ser | 1p present |
| -ois | ser | 2p present |
| -on | ser | 3p present |
| -yendo | -er/-ir | present participle (-i- changed to -y-) |
| -yeron | -er/-ir | 3p preterite (-i- changed to -y-) |
| -yó | -er/-ir | 3s preterite (-i- changed to -y-) |