Use the present for current states, habits and actions. The subject can be omitted when the verb makes it clear.
Vosotros is informal plural you in Spain. Ustedes uses the ellos/ellas form and is the usual plural you in Latin America.
mantengoI keep (present)
mantienesyou keep (present)
mantienehe/she keeps (present)
mantenemoswe keep (present)
mantenéisyou all (vosotros) keep (present)
mantienenthey keep (present)
Mantener in the preterite tense
Use the preterite for a completed event in the past, viewed as a whole.
mantuveI kept (preterite)
mantuvisteyou kept (preterite)
mantuvohe/she kept (preterite)
mantuvimoswe kept (preterite)
mantuvisteisyou all (vosotros) kept (preterite)
mantuvieronthey kept (preterite)
Mantener in the imperfect tense
Use the imperfect for past habits, ongoing situations and background descriptions, without marking their endpoint.
manteníaI used to keep (imperfect)
manteníasyou used to keep (imperfect)
manteníahe/she used to keep (imperfect)
manteníamoswe used to keep (imperfect)
manteníaisyou all (vosotros) used to keep (imperfect)
manteníanthey used to keep (imperfect)
Mantener in the future tense
Use the simple future for what will happen. Spanish also uses this tense for a guess about the present.
mantendréI will keep (future)
mantendrásyou will keep (future)
mantendráhe/she will keep (future)
mantendremoswe will keep (future)
mantendréisyou all (vosotros) will keep (future)
mantendránthey will keep (future)
Mantener in the conditional tense
Use the conditional for what would happen, a polite request or a hypothetical situation.
mantendríaI would keep (conditional)
mantendríasyou would keep (conditional)
mantendríahe/she would keep (conditional)
mantendríamoswe would keep (conditional)
mantendríaisyou all (vosotros) would keep (conditional)
mantendríanthey would keep (conditional)
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Mantener conjugation chart
All six persons. Blue, bold forms differ from regular endings, including spelling changes that preserve pronunciation.
Person
Present
Preterite
Imperfect
Future
Conditional
yo
mantengo
mantuve
mantenía
mantendré
mantendría
tú
mantienes
mantuviste
mantenías
mantendrás
mantendrías
él / ella / usted
mantiene
mantuvo
mantenía
mantendrá
mantendría
nosotros / nosotras
mantenemos
mantuvimos
manteníamos
mantendremos
mantendríamos
vosotros / vosotras
mantenéis
mantuvisteis
manteníais
mantendréis
mantendríais
ellos / ellas / ustedes
mantienen
mantuvieron
mantenían
mantendrán
mantendrían
Mantener in the present tense
Person
Spanish
English
yo
mantengo
I keep
tú
mantienes
you keep
él / ella / usted
mantiene
he/she keeps
nosotros / nosotras
mantenemos
we keep
vosotros / vosotras
mantenéis
you all (vosotros) keep
ellos / ellas / ustedes
mantienen
they keep
Mantener in the preterite tense
Person
Spanish
English
yo
mantuve
I kept
tú
mantuviste
you kept
él / ella / usted
mantuvo
he/she kept
nosotros / nosotras
mantuvimos
we kept
vosotros / vosotras
mantuvisteis
you all (vosotros) kept
ellos / ellas / ustedes
mantuvieron
they kept
Mantener in the imperfect tense
Person
Spanish
English
yo
mantenía
I used to keep
tú
mantenías
you used to keep
él / ella / usted
mantenía
he/she used to keep
nosotros / nosotras
manteníamos
we used to keep
vosotros / vosotras
manteníais
you all (vosotros) used to keep
ellos / ellas / ustedes
mantenían
they used to keep
Mantener in the future tense
Person
Spanish
English
yo
mantendré
I will keep
tú
mantendrás
you will keep
él / ella / usted
mantendrá
he/she will keep
nosotros / nosotras
mantendremos
we will keep
vosotros / vosotras
mantendréis
you all (vosotros) will keep
ellos / ellas / ustedes
mantendrán
they will keep
Mantener in the conditional tense
Person
Spanish
English
yo
mantendría
I would keep
tú
mantendrías
you would keep
él / ella / usted
mantendría
he/she would keep
nosotros / nosotras
mantendríamos
we would keep
vosotros / vosotras
mantendríais
you all (vosotros) would keep
ellos / ellas / ustedes
mantendrían
they would keep
Is mantener irregular?
Mantener differs from the regular endings in the present, preterite, future, conditional. Changed forms include present: mantengo, mantienes, mantiene; preterite: mantuve, mantuviste, mantuvo; future: mantendré, mantendrás, mantendrá; conditional: mantendría, mantendrías, mantendría. Highlighted forms include spelling changes that preserve pronunciation as well as irregular stems and endings.
Questions about mantener
How do you conjugate mantener in the present?
The present forms are mantengo, mantienes, mantiene, mantenemos, mantenéis, mantienen, in the order yo, tú, él/ella/usted, nosotros, vosotros and ellos/ellas/ustedes.
What is the preterite of mantener?
mantuve, mantuviste, mantuvo, mantuvimos, mantuvisteis, mantuvieron. For example, mantuve means “I kept”.
Is mantener irregular?
Mantener differs from the regular endings in the present, preterite, future, conditional. Changed forms include present: mantengo, mantienes, mantiene; preterite: mantuve, mantuviste, mantuvo; future: mantendré, mantendrás, mantendrá; conditional: mantendría, mantendrías, mantendría. Highlighted forms include spelling changes that preserve pronunciation as well as irregular stems and endings.
What is the difference between the preterite and imperfect of mantener?
The preterite (mantuve) presents a completed event; the imperfect (mantenía) gives a past habit or background situation. The English glosses are “I kept” and “I used to keep”, but context determines the best translation.
What are the future and conditional of mantener?
The yo forms are mantendré (“I will keep”) and mantendría (“I would keep”). The full charts above include every person.