Only –IR verbs that stem change in the present tense DO stem

Only –IR verbs that stem change in the present tense DO stem

Only –IR verbs that stem change in the present tense DO stem change in the preterite tense.
BUT...
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Stem changes ONLY occur in it’s 3rd person forms (he/she and they)
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If a verb is an oue in the present tense, in the preterite it is only ou (dormirse)
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If a verb is eie in the present tense, in the preterite it is only eI (sentirse)
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If a verb is an eI in the present tense, in the preterite it is still eI (repetir)
Sentirse (ie)
To feel
Me sentí
Te sentiste
Se sintió
Me dormí
Te dormiste
Se durmió
Nos sentimos
Se sintieron
Dormirse (ue)
To go to sleep / fall asleep
Nos dormimos
Se durmieron
Morirse (ue)
To die
Me morí
te moriste
Se murió
nos morimos
Se murieron
Preferir (ie)
To prefer
Preferí
Preferiste
Prefirió
Preferimos
prefirieron
Seguir (i)
To follow / continue
Seguí
Seguiste
Siguió
Seguimos
Siguieron
Me divertí
Te divertiste
Se divirtió
Divertirse (ie)
To have fun / to have a good time
Nos divertimos
Se divirtieron
Pedir (i)
To ask for / order
Pedí
Pediste
Pidió
Pedimos
pidieron
Servir (ie)
To serve
Serví
Serviste
Sirvió
Servimos
sirvieron
Vestirse (i)
To get dressed
Me vestí
Te vestiste
Se vistió
Nos vestimos
Se vistieron
Reirse (i)
To laugh
Me reí
Te reíste
Se rio
Nos reímos
Se rieron
Note-this verb doesn’t do the same as the other verbs. For he/she and they we dont start with
RE___, but rather just R____