invertir Imperfect Subjunctive Conjugation
invertir — to invest
Based on the preterite 'invirtieron', all forms use the 'invirt-' stem (invirtiera, invirtieras).
invertir Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypothetical situations (If I invested...) or past requests/hopes about investments.
Notes on invertir in the Imperfect Subjunctive
Every form of the imperfect subjunctive uses the 'i' stem because it is derived from the third-person plural preterite.
Example Sentences
Si yo invirtiera más, ganaría más.
If I invested more, I would earn more.
yo
Me gustaría que ellos invirtieran en mi idea.
I would like them to invest in my idea.
ellos/ellas/ustedes
Common Mistakes
Mistake: Using 'invertiera' or 'inviertiera'.
Correct: Invirtiera.
Why: This tense always follows the stem of the preterite 'ellos' form (invirt-).
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Related Tenses
Present
yo: invierto
Invertir is an e-to-ie stem-changer in the present (invierto, inviertes, invierte, invierten), but nosotros and vosotros remain regular.
Preterite
yo: invertí
Invertir has a 'slipper' stem change (e-to-i) in the third person: invirtió and invirtieron.
Imperfect
yo: invertía
The imperfect of invertir is completely regular: invertía, invertías, invertía, invertíamos, invertíais, invertían.
Future
yo: invertiré
The future tense is regular: simply add endings to the infinitive (invertiré, invertirás, invertirá).
Conditional
yo: invertiría
The conditional is regular: add -ía endings to the infinitive (invertiría, invertirías, invertiría).
Present Subjunctive
yo: invierta
Invertir stem-changes to 'ie' in most forms, but changes to 'i' in nosotros/vosotros (invirtamos, invirtáis).
Affirmative Imperative
yo: invierte
Commands use 'invierte' (tú) and 'invierta' (usted), following the present and subjunctive patterns.
Negative Imperative
yo: no inviertas
Negative commands always use the present subjunctive forms: no inviertas, no invierta, no invirtamos.