In this Ideal Guide to Irregular Spanish Verbs today we’re going to focus on another very common Spanish verb: pensar (to think).
In other posts we’ll use the irregular Spanish verb pensar as a pattern for other irregular verbs. This means that learning it well now will save you a lot of study time at a later stage, and many headaches.
In this post we’re going to concentrate on the conjugation of the irregular Spanish verb pensar in six main tenses: present, present perfect, imperfect, preterite, future and conditional.
Irregular Spanish verbs: pensar. Conjugations
| Pensar :: To think :: Present | ||
|---|---|---|
| yo | pienso | I think |
| tú | piensas | you (singular, informal) think |
| él / ella / usted | piensa | he / she / it / you (singular, formal) think(s) |
| nosotros / nosotras | pensamos | we think |
| vosotros / vosotras | pensáis | you (plural, informal) think |
| ellos / ellas / ustedes | piensan | they / you (plural, formal) think |
| Pensar :: To think :: Present perfect | ||
|---|---|---|
| yo | he pensado | I have thought |
| tú | has pensado | you (singular, informal) have thought |
| él / ella / usted | ha pensado | he/she/it/you (s., f.) has/have thought |
| nosotros / nosotras | hemos pensado | we have thought |
| vosotros / vosotras | habéis pensado | you (plural, informal) have thought |
| ellos / ellas / ustedes | han pensado | they / you (plural, formal) have thought |
| Pensar :: To think :: Imperfect | ||
|---|---|---|
| yo | pensaba | I thought |
| tú | pensabas | you (singular, informal) thought |
| él / ella / usted | pensaba | he / she / it / you (singular, formal) thought |
| nosotros / nosotras | pensábamos | we thought |
| vosotros / vosotras | pensabais | you (plural, informal) thought |
| ellos / ellas / ustedes | pensaban | they / you (plural, formal) thought |
| Pensar :: To think :: Preterite | ||
|---|---|---|
| yo | pensé | I thought |
| tú | pensaste | you (singular, informal) thought |
| él / ella / usted | pensó | he / she / it / you (singular, formal) thought |
| nosotros / nosotras | pensamos | we thought |
| vosotros / vosotras | pensasteis | you (plural, informal) thought |
| ellos / ellas / ustedes | pensaron | they / you (plural, formal) thought |
| Pensar :: To think :: Future | ||
|---|---|---|
| yo | pensaré | I will think |
| tú | pensarás | you (singular, informal) will think |
| él / ella / usted | pensará | he / she / it / you (singular, formal) will think |
| nosotros / nosotras | pensaremos | we will think |
| vosotros / vosotras | pensaréis | you (plural, informal) will think |
| ellos / ellas / ustedes | pensarán | they / you (plural, formal) will think |
| Pensar :: To think :: Conditional | ||
|---|---|---|
| yo | pensaría | I would think |
| tú | pensarías | you (singular, informal) would think |
| él / ella / usted | pensaría | he/she/it/you (singular, formal) would think |
| nosotros / nosotras | pensaríamos | we would think |
| vosotros / vosotras | pensaríais | you (plural, informal) would think |
| ellos / ellas / ustedes | pensarían | they / you (plural, formal) would think |
Irregular Spanish verbs: pensar. Learning tips
If you compare the conjugation of the irregular Spanish verb pensar with that of regular ‘ar’ verbs, you’ll find that many ‘pensar’ forms follow the regular patterns.
The present perfect, imperfect, future and conditional tenses are all regular in the six persons.
That leaves us with the present and the preterite. These are the tenses you should focus on the most. Make sure you master them before you move on to other irregular Spanish verbs.
You can learn and practice the irregular Spanish verbs, including pensar, with this highly recommended Spanish verb course with audio.
If you want more tips on how to learn the irregular Spanish verbs fast and efficiently, have a look at my user-friendly guide How to Learn Spanish.
It’s your turn
Can you think of other irregular Spanish verbs that conjugate like ‘pensar’? Type them in the comment box below.













Hello. Hope you are fine.First, I would like to thank you for your valuable information about verbs. Really, it is very useful especially for the beginners like me. We are waiting for more lesson.
Thanks
Abbas
Abbas, thanks a lot for your comment. There will indeed be plenty more verb lessons to come.
I’m also working on the free podcast version of the lessons on this blog. You may want to subscribe to my newsletter through the link above to get notified when the podcast comes out!
Maria
Hola Maria,
Yo lei el verbo “pensar”. estuve muy contento para leer. espero que me mensajes muchos verbos con conjugar. y tambien tu eres muy buena profesora. A mi me gusta te mucho.
Adios
Thanks for your comment, Pradeep. I’m really glad you like the lessons. I’m working on more verb-related posts – and other grammar and vocabulary lessons!