Morphology Laboratory
Stem Mutation & Radical Surgery Lab 🔬
Dissect the internal anatomy of stem-changing verbs. Understand *why* vowels diphthongize (e➔ie, o➔ue) or umlaut (a➔ä, e➔i) under phonetic stress.
Specimen Active
Infinitive Dissection
Tonic Stress Shift (La Bota) ⚡
Mutated Present Conjugation
👢 The "Boot" Conjugation Matrix
Notice how forms inside the boot mutate because stress falls on the stem. Forms outside (we/you-all) keep the original stem!
Highlight: Mutated vs Regular 100% Rule
Morphology Surgery Drill 💉
Test your instinct: apply the correct stem mutation to the patient verb below.
Score: 0 / 0
Spanish • Yo (Present)
querer