Conjugations
Present Presente
Habits, current states, and general facts.
| Subject | Verb form | Listen |
|---|---|---|
| yo | altero | |
| tú | alteras | |
| él / ella / usted | altera | |
| nosotros / nosotras | alteramos | |
| vosotros / vosotras | alteráis | |
| ellos / ellas / ustedes | alteran |
Preterite Pretérito perfecto simple
Actions viewed as completed events in the past.
| Subject | Verb form | Listen |
|---|---|---|
| yo | alteré | |
| tú | alteraste | |
| él / ella / usted | alteró | |
| nosotros / nosotras | alteramos | |
| vosotros / vosotras | alterasteis | |
| ellos / ellas / ustedes | alteraron |
Imperfect Pretérito imperfecto
Past habits, descriptions, and actions in progress.
| Subject | Verb form | Listen |
|---|---|---|
| yo | alteraba | |
| tú | alterabas | |
| él / ella / usted | alteraba | |
| nosotros / nosotras | alterábamos | |
| vosotros / vosotras | alterabais | |
| ellos / ellas / ustedes | alteraban |
Future Futuro simple
Future events; also used to express a guess about the present.
| Subject | Verb form | Listen |
|---|---|---|
| yo | alteraré | |
| tú | alterarás | |
| él / ella / usted | alterará | |
| nosotros / nosotras | alteraremos | |
| vosotros / vosotras | alteraréis | |
| ellos / ellas / ustedes | alterarán |
Conditional Condicional simple
Hypothetical events and some polite requests.
| Subject | Verb form | Listen |
|---|---|---|
| yo | alteraría | |
| tú | alterarías | |
| él / ella / usted | alteraría | |
| nosotros / nosotras | alteraríamos | |
| vosotros / vosotras | alteraríais | |
| ellos / ellas / ustedes | alterarían |
Present subjunctive Presente de subjuntivo
Used in certain clauses expressing wishes, doubt, feelings, and other non-asserted situations.
| Subject | Verb form | Listen |
|---|---|---|
| yo | altere | |
| tú | alteres | |
| él / ella / usted | altere | |
| nosotros / nosotras | alteremos | |
| vosotros / vosotras | alteréis | |
| ellos / ellas / ustedes | alteren |
Use ustedes for plural “you” in Latin America. Its verb form matches ellos / ellas. Vos forms are not included. Google voice when available; device voice as a fallback.
Meaning & usage
- to alter, to change
- to upset
- (reflexive) to get angry, upset
English glosses are a starting point. The meaning of a verb can change with context, a preposition, or se. Read the full dictionary entry ↗
Meanings and conjugation data adapted from English Wiktionary contributors via Kaikki.org / Wiktextract. Frequency scores from wordfreq 3.1.1 by Robyn Speer and contributors. Adapted data is available under CC BY-SA 4.0. Entry source · Sources, download & limitations