decaer Present Conjugation
decaer — to decline
The present of decaer is mostly regular, except for the 'yo' form: decaigo.
decaer Present Forms
When to Use the Present
Use this to describe current trends of decline or general truths about things losing strength.
Notes on decaer in the Present
Only the 'yo' form is irregular (decaigo). The other forms follow standard -er patterns (decaes, decae, etc.).
Example Sentences
A veces decaigo cuando tengo mucho estrés.
Sometimes I lose heart when I have a lot of stress.
yo
El interés por el proyecto decae cada día.
Interest in the project declines every day.
él/ella/usted
Las flores decaen sin agua.
Flowers wither without water.
ellos/ellas/ustedes
Common Mistakes
Mistake: Saying 'yo decao'.
Correct: yo decaigo
Why: Decaer follows the 'caer' pattern, which adds a 'g' in the first person singular.
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Related Tenses
Preterite
yo: decaí
The preterite of decaer features a 'y' in the third person: decaí, decaíste, decayó, decaímos, decaísteis, decayeron.
Imperfect
yo: decaía
The imperfect of decaer is regular for -er verbs: decaía, decaías, decaía, decaíamos, decaíais, decaían.
Future
yo: decaeré
The future of decaer is regular: decaeré, decaerás, decaerá, decaeremos, decaeréis, decaerán.
Conditional
yo: decaería
The conditional of decaer is regular: decaería, decaerías, decaería, decaeríamos, decaeríais, decaerían.
Present Subjunctive
yo: decaiga
The present subjunctive of decaer adds a 'g' to the stem: decaiga, decaigas, decaiga, decaigamos, decaigáis, decaigan.
Imperfect Subjunctive
yo: decayera
The imperfect subjunctive of decaer uses the 'y' stem: decayera, decayeras, decayéramos.
Affirmative Imperative
yo: decae
The imperative of decaer uses the 'g' stem for formal commands: decae, decaiga, decaigamos, decaed, decaigan.
Negative Imperative
yo: no decaigas
The negative imperative uses the present subjunctive: no decaigas, no decaiga, no decaigamos, no decaigáis, no decaigan.