contraer Present Subjunctive Conjugation
contraer — to contract
The present subjunctive uses the 'contraig-' stem: contraiga, contraigas, contraiga.
contraer Present Subjunctive Forms
When to Use the Present Subjunctive
Use this after expressions of doubt, desire, or necessity, like 'Espero que no contraigas ninguna enfermedad'.
Notes on contraer in the Present Subjunctive
The subjunctive is based on the 'yo' form of the present indicative (contraigo), so the 'g' appears in all forms.
Example Sentences
Espero que no contraigas el virus.
I hope you don't catch the virus.
tú
Dudo que ellos contraigan matrimonio tan pronto.
I doubt they will get married so soon.
ellos/ellas/ustedes
Es importante que nosotros contraigamos el abdomen al hacer ejercicio.
It is important that we contract our abdomen when exercising.
nosotros
Common Mistakes
Mistake: Using 'contrae' in the subjunctive.
Correct: Use 'contraiga'.
Why: Subjunctive forms for -er verbs must end in -a and follow the irregular 'yo' stem.
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Related Tenses
Present
yo: contraigo
The present tense of contraer is irregular in the 'yo' form (contraigo), but follows regular -er patterns for the rest.
Preterite
yo: contraje
The preterite of contraer is highly irregular, using a 'j' stem: contraje, contrajiste, contrajo.
Imperfect
yo: contraía
The imperfect of contraer is completely regular: contraía, contraías, contraía.
Future
yo: contraeré
The future tense of contraer is regular: contraeré, contraerás, contraerá.
Conditional
yo: contraería
The conditional of contraer is regular: contraería, contraerías, contraería.
Imperfect Subjunctive
yo: contrajera
The imperfect subjunctive uses the 'j' stem: contrajera, contrajeras, contrajera.
Affirmative Imperative
yo: contrae
The imperative uses 'contrae' for informal 'tú' and 'contraiga' for formal 'usted'.
Negative Imperative
yo: no contraigas
The negative imperative always uses the present subjunctive forms: no contraigas, no contraiga.