descomponer Present Conjugation
descomponer — to break down
The present of descomponer is irregular in the 'yo' form (descompongo), following the pattern of poner.
descomponer Present Forms
When to Use the Present
Use the present tense to talk about things that are currently breaking down, organic matter decomposing naturally, or to describe a habitual mechanical failure.
Notes on descomponer in the Present
This verb follows the 'poner' pattern. It is regular except for the first person singular (yo), which adds a 'g' to become 'descompongo'.
Example Sentences
Yo siempre descompongo la licuadora cuando trato de usarla.
I always break the blender when I try to use it.
yo
La comida se descompone rápido con este calor.
Food spoils (decomposes) quickly with this heat.
él/ella/usted
Ellos descomponen el problema en partes más pequeñas.
They break the problem down into smaller parts.
ellos/ellas/ustedes
Common Mistakes
Mistake: Saying 'yo descompono'.
Correct: The correct form is 'yo descompongo'.
Why: It follows the irregular 'g-drop' pattern of the verb 'poner'.
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Related Tenses
Preterite
yo: descompuse
The preterite of descomponer is highly irregular, using the 'pus-' stem: descompuse, descompusiste, descompuso.
Imperfect
yo: descomponía
The imperfect of descomponer is regular: descomponía, descomponías, descomponía.
Future
yo: descompondré
The future of descomponer uses the irregular stem 'descompondr-': descompondré, descompondrás.
Conditional
yo: descompondría
The conditional uses the irregular stem 'descompondr-': descompondría, descompondrías.
Present Subjunctive
yo: descomponga
The present subjunctive uses the 'descompong-' stem: descomponga, descompongas.
Imperfect Subjunctive
yo: descompusiera
The imperfect subjunctive uses the 'descompusie-' stem: descompusiera, descompusieras.
Affirmative Imperative
yo: descompón
The affirmative imperative has a short 'tú' form: descompón.
Negative Imperative
yo: no descompongas
The negative imperative uses the 'no' + present subjunctive: no descompongas.