A regular system
for irregular Spanish verbs
Stop memorizing tables. Seven Stems shows how Spanish verb forms are built from a stem plus an ending.
Learn the seven stem types that explain over 350 irregular verbs
conocer has one irregular stem, conozc·. To conjugate it, you just need to know the conjugation card for Subjunctive stems
Learn the seven irregular stem types →
One formula explains the verb
A verb's stem formula includes an example form for each stem the verb uses, plus any exceptions.
Learn about stem formulas → val er + valg a + valdr ía See valer's conjugation table →
val-
regular ER stem
used in regular ER forms.
valer, valiendo
valg-
Subjunctive stem
used in the present yo and subjunctive.
valgo, valga
valdr-
Future stem
used in the future and conditional.
valdré, valdría
Learn families, not isolated verbs
Related verbs inherit the central conjugation patterns of their model verb.
Explore all conjugation models →Learn the method
- 1 Introduction See how stems replace table-by-table memorization.
- 2 Stem Types Learn where each regular and irregular stem type is used.
- 3 Model Verbs Connect unfamiliar verbs to established conjugation patterns.
- 4 Spelling Rules Understand changes that preserve Spanish pronunciation.
- 5 Exceptions Handle forms that do not follow the regular stem-and-ending pattern.