Verbs ending in -uir follow the conjugation pattern of regular verbs in -ir except for addition of "y" before "a", "e", "o" in stem in imperative, indicative and subjunctive: sostituir / sostituye
20 verbs follow this model. Below an extract:
To see other models, refer to Model Table
Based on the ending, you can identify features that different verbs have in common. Click on the verbs above to see their conjugation tables and explore their conjugation patterns.