| A | B |
| yo | e |
| tu | as |
| el, ella, Ud. | a |
| nosotros | emos |
| ellos, ellas, Uds. | an |
| poder | podr -e,-as,-a,-emos,-an |
| caber | cabr -e,-as,-a,-emos,-an |
| haber | habr -e,-as,-a,-emos,-an |
| querer | querr -e,-as,-a,-emos,-an |
| saber | sabr -e,-as,-a,-emos,-an |
| poner | pondr -e,-as,-a,-emos,-an |
| salir | saldr -e,-as,-a,-emos,-an |
| tener | tendr -e,-as,-a,-emos,-an |
| valer | valdr -e,-as,-a,-emos,-an |
| venir | vendr -e,-as,-a,-emos,-an |
| decir | dir -e,-as,-a,-emos,-an |
| hacer | har -e,-as,-a,-emos,-an |
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