estabilizar Preterite Conjugation
estabilizar — to stabilize
The preterite of estabilizar is regular except for the 'yo' form (estabilicé) which undergoes a 'z' to 'c' spelling change.
estabilizar Preterite Forms
When to Use the Preterite
Use this for completed actions in the past, like when a patient's condition finally leveled out or a building was successfully reinforced.
Notes on estabilizar in the Preterite
Only the 'yo' form is irregular (estabilicé) to preserve the sound. The other forms are regular: estabilizaste, estabilizó, estabilizamos, estabilizasteis, estabilizaron.
Example Sentences
Estabilicé la mesa con un trozo de madera.
I stabilized the table with a piece of wood.
yo
El paciente se estabilizó después de la cirugía.
The patient stabilized after the surgery.
él/ella/usted
Los mercados se estabilizaron ayer.
The markets stabilized yesterday.
ellos/ellas/ustedes
Common Mistakes
Mistake: estabilizé
Correct: estabilicé
Why: You must change 'z' to 'c' before the 'é' in the first-person preterite.
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Related Tenses
Present
yo: estabilizo
The present tense of estabilizar is regular: estabilizo, estabilizas, estabiliza, estabilizamos, estabilizáis, estabilizan.
Imperfect
yo: estabilizaba
The imperfect of estabilizar is regular: estabilizaba, estabilizabas, estabilizaba, estabilizábamos, estabilizabais, estabilizaban.
Future
yo: estabilizaré
The future of estabilizar is regular: add endings to the infinitive (estabilizaré, estabilizarás, etc.).
Conditional
yo: estabilizaría
The conditional of estabilizar is regular: add -ía endings to the infinitive (estabilizaría, estabilizarías, etc.).
Present Subjunctive
yo: estabilice
The present subjunctive of estabilizar requires a spelling change from 'z' to 'c': estabilice, estabilices, estabilice, estabilicemos, estabilicéis, estabilicen.
Imperfect Subjunctive
yo: estabilizara
The imperfect subjunctive of estabilizar is formed using the -ra or -se endings: estabilizara, estabilizaras, estabilizara, estabilizáramos, estabilizarais, estabilizaran.
Affirmative Imperative
yo: estabiliza
The imperative of estabilizar uses 'estabiliza' (tú) and 'estabilice' (usted).
Negative Imperative
yo: no estabilices
The negative imperative of estabilizar always uses the present subjunctive forms: no estabilices, no estabilice, etc.