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.
piensoI think (present)
piensasyou think (present)
piensahe/she thinks (present)
pensamoswe think (present)
pensáisyou all (vosotros) think (present)
piensanthey think (present)
Pensar in the preterite tense
Use the preterite for a completed event in the past, viewed as a whole.
penséI thought (preterite)
pensasteyou thought (preterite)
pensóhe/she thought (preterite)
pensamoswe thought (preterite)
pensasteisyou all (vosotros) thought (preterite)
pensaronthey thought (preterite)
Pensar in the imperfect tense
Use the imperfect for past habits, ongoing situations and background descriptions, without marking their endpoint.
pensabaI used to think (imperfect)
pensabasyou used to think (imperfect)
pensabahe/she used to think (imperfect)
pensábamoswe used to think (imperfect)
pensabaisyou all (vosotros) used to think (imperfect)
pensabanthey used to think (imperfect)
Pensar in the future tense
Use the simple future for what will happen. Spanish also uses this tense for a guess about the present.
pensaréI will think (future)
pensarásyou will think (future)
pensaráhe/she will think (future)
pensaremoswe will think (future)
pensaréisyou all (vosotros) will think (future)
pensaránthey will think (future)
Pensar in the conditional tense
Use the conditional for what would happen, a polite request or a hypothetical situation.
pensaríaI would think (conditional)
pensaríasyou would think (conditional)
pensaríahe/she would think (conditional)
pensaríamoswe would think (conditional)
pensaríaisyou all (vosotros) would think (conditional)
pensaríanthey would think (conditional)
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Pensar 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
pienso
pensé
pensaba
pensaré
pensaría
tú
piensas
pensaste
pensabas
pensarás
pensarías
él / ella / usted
piensa
pensó
pensaba
pensará
pensaría
nosotros / nosotras
pensamos
pensamos
pensábamos
pensaremos
pensaríamos
vosotros / vosotras
pensáis
pensasteis
pensabais
pensaréis
pensaríais
ellos / ellas / ustedes
piensan
pensaron
pensaban
pensarán
pensarían
Pensar in the present tense
Person
Spanish
English
yo
pienso
I think
tú
piensas
you think
él / ella / usted
piensa
he/she thinks
nosotros / nosotras
pensamos
we think
vosotros / vosotras
pensáis
you all (vosotros) think
ellos / ellas / ustedes
piensan
they think
Pensar in the preterite tense
Person
Spanish
English
yo
pensé
I thought
tú
pensaste
you thought
él / ella / usted
pensó
he/she thought
nosotros / nosotras
pensamos
we thought
vosotros / vosotras
pensasteis
you all (vosotros) thought
ellos / ellas / ustedes
pensaron
they thought
Pensar in the imperfect tense
Person
Spanish
English
yo
pensaba
I used to think
tú
pensabas
you used to think
él / ella / usted
pensaba
he/she used to think
nosotros / nosotras
pensábamos
we used to think
vosotros / vosotras
pensabais
you all (vosotros) used to think
ellos / ellas / ustedes
pensaban
they used to think
Pensar in the future tense
Person
Spanish
English
yo
pensaré
I will think
tú
pensarás
you will think
él / ella / usted
pensará
he/she will think
nosotros / nosotras
pensaremos
we will think
vosotros / vosotras
pensaréis
you all (vosotros) will think
ellos / ellas / ustedes
pensarán
they will think
Pensar in the conditional tense
Person
Spanish
English
yo
pensaría
I would think
tú
pensarías
you would think
él / ella / usted
pensaría
he/she would think
nosotros / nosotras
pensaríamos
we would think
vosotros / vosotras
pensaríais
you all (vosotros) would think
ellos / ellas / ustedes
pensarían
they would think
Is pensar irregular?
Pensar differs from the regular endings in the present. Changed forms include present: pienso, piensas, piensa. Highlighted forms include spelling changes that preserve pronunciation as well as irregular stems and endings.
Questions about pensar
How do you conjugate pensar in the present?
The present forms are pienso, piensas, piensa, pensamos, pensáis, piensan, in the order yo, tú, él/ella/usted, nosotros, vosotros and ellos/ellas/ustedes.
What is the preterite of pensar?
pensé, pensaste, pensó, pensamos, pensasteis, pensaron. For example, pensé means “I thought”.
Is pensar irregular?
Pensar differs from the regular endings in the present. Changed forms include present: pienso, piensas, piensa. 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 pensar?
The preterite (pensé) presents a completed event; the imperfect (pensaba) gives a past habit or background situation. The English glosses are “I thought” and “I used to think”, but context determines the best translation.
What are the future and conditional of pensar?
The yo forms are pensaré (“I will think”) and pensaría (“I would think”). The full charts above include every person.