| A | B |
|---|
| aba, abas, aba, ábamos,aban | imperfect: ar verbs |
| ia, ias, ia, iamos, ian | imperfect: er & ir verbs |
| era, eras, era, éramos, eran | imperfect: ser |
| iba, ibas, iba, íbamos, iban | imperfect: ir |
| veía, veías, veía, veíamos, veían | imperfect: ver |
| car change c to qu | preterite: car endings |
| gar change g to gu | preterite: gar endings |
| zar change z to c | preterite: zar endings |
| eí, eíste, eyó, eímos, eyeron | preterite: aer, eer, oír, oer endings |
| uí, uiste, uyó, uimos, uyeron | preterite: uir endings |
| uje, ujiste, ujo, ujimos, ujeron | preterite: ucir endings |
| traje, trajiste, trajo, trajimos, trajeron | preterite: traer endings |
| concer P | met the person |
| concer I | knew the person |
| querer P | tried to |
| querer I | wanted to |
| no querer P | refused |
| no querer I | did not want |
| saber P | found out |
| saber I | knew |
| poder P | succeeded in |
| poder I | was able |
| tener P | received |
| tener I | used to have |
|
