sostener Future Conjugation
sostener — to hold up
Sostener adds a 'd' to the stem: sostendré, sostendrás, sostendrá, sostendremos, sostendréis, sostendrán.
sostener Future Forms
When to Use the Future
Use the future to predict who will hold something or to state a position you will defend in the future.
Notes on sostener in the Future
Like 'tener', the 'e' in the infinitive ending is replaced by a 'd', creating the stem 'sostend-'.
Example Sentences
Yo sostendré el paraguas para todos.
I will hold the umbrella for everyone.
yo
¿Sostendrás tu promesa hasta el final?
Will you keep (hold) your promise until the end?
tú
Sostendrán una reunión mañana por la tarde.
They will hold a meeting tomorrow afternoon.
ellos/ellas/ustedes
Common Mistakes
Mistake: sosteneré
Correct: sostendré
Why: The verb 'sostener' drops the 'e' and adds a 'd' before the future endings.
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Related Tenses
Present
yo: sostengo
Sostener follows the 'tener' pattern: it has a 'go' in the yo form and a stem change (e to ie) for most others.
Preterite
yo: sostuve
Sostener uses the irregular 'uv' stem: sostuve, sostuviste, sostuvo, sostuvimos, sostuvisteis, sostuvieron.
Imperfect
yo: sostenía
Sostener is regular in the imperfect: sostenía, sostenías, sostenía, sosteníamos, sosteníais, sostenían.
Conditional
yo: sostendría
The conditional uses the 'sostend-' stem: sostendría, sostendrías, sostendría, sostendríamos, sostendríais, sostendrían.
Present Subjunctive
yo: sostenga
The present subjunctive is based on the 'sosteng-' stem: sostenga, sostengas, sostenga, sostengamos, sostengáis, sostengan.
Imperfect Subjunctive
yo: sostuviera
The imperfect subjunctive uses the 'sostuv-' stem: sostuviera, sostuvieras, sostuviera, sostuviéramos, sostuvierais, sostuvieran.
Affirmative Imperative
yo: sostén
The informal command is 'sostén'; others use the 'sosteng-' stem.
Negative Imperative
yo: no sostengas
Negative commands always use the present subjunctive forms: no sostengas, no sostenga, no sostengamos, no sostengáis, no sostengan.