Stem-Changing Verbs
Stem-Changing Verbs in the present subjunctive follow different patterns depending on whether they are -AR/-ER/-IR.
AR | ER | IR | ||||||||||||||||||
almorzar: to have lunch Stem-change in all but the nosotros/vosotros form
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querer: to want Stem-change in all but the nosotros/vosotros form
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mentir: to lie Stem-change in all, but in the nosotros/vosotros form
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Spell-Changing Verbs
In order to maintain correct pronunciation, certain verbs have a spell-change in the stem. You should be familiar with them from the preterite:
Verb ends in... | Rule | Sample | Conjugations |
CAR | change C->QU | buscar | busque, busques, etc |
GAR | change G->GU | pagar | pague, pagues, etc |
ZAR | change Z->C | almorzar | almuerce, almuerces, etc |