fortalecer Present Subjunctive Conjugation
fortalecer — to strengthen
The present subjunctive of fortalecer uses the 'fortalezc-' stem for all persons.
fortalecer Present Subjunctive Forms
When to Use the Present Subjunctive
Use this when you want or hope that something gets stronger (e.g., 'Espero que fortalezcas...').
Notes on fortalecer in the Present Subjunctive
Because the 'yo' form of the present indicative is 'fortalezco', that 'zc' carries through to every single form of the present subjunctive.
Example Sentences
Espero que fortalezcas tu confianza.
I hope you strengthen your confidence.
tú
Es importante que fortalezcamos la unión del grupo.
It is important that we strengthen the group's unity.
nosotros
Dudo que ellos fortalezcan la estructura a tiempo.
I doubt they will strengthen the structure in time.
ellos/ellas/ustedes
Common Mistakes
Mistake: fortalezcamos (without the 'z')
Correct: fortalezcamos
Why: Even in the 'nosotros' form, the 'zc' is required in the subjunctive to maintain the sound.
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Related Tenses
Present
yo: fortalezco
Fortalecer is irregular in the 'yo' form (fortalezco), but regular for all other persons in the present tense.
Preterite
yo: fortalecí
Fortalecer is completely regular in the preterite: fortalecí, fortaleciste, fortaleció, fortalecimos, fortalecisteis, fortalecieron.
Imperfect
yo: fortalecía
The imperfect of fortalecer is regular: fortalecía, fortalecías, fortalecía, fortalecíamos, fortalecíais, fortalecían.
Future
yo: fortaleceré
The future of fortalecer is regular: just add -é, -ás, -á, -emos, -éis, -án to the infinitive.
Conditional
yo: fortalecería
The conditional of fortalecer is regular: fortalecería, fortalecerías, fortalecería, fortaleceríamos, fortaleceríais, fortalecerían.
Imperfect Subjunctive
yo: fortaleciera
The imperfect subjunctive of fortalecer is regular: fortaleciera, fortalecieras, fortaleciera, fortaleciéramos, fortalecierais, fortalecieran.
Affirmative Imperative
yo: fortalece
The imperative of fortalecer uses 'fortalece' for 'tú' and 'fortalezc-' for formal commands.
Negative Imperative
yo: no fortalezcas
All negative commands for fortalecer use the present subjunctive forms with 'no'.