CONJUGUEMOS REFERENCE
Irregular verbs in the future all use the regular the future tense endings, but change the stem. In this category, some -ER verbs drop the vowel from the stem, and then add the regular endings:
| DROP VOWEL | ||
| poder | to be able to | podr- |
| caber | to fit | cabr- |
| querer | to want | querr- |
| saber | to know | sabr- |