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Foreign Languages
Foreign Languages: Common Spanish Irregular Verbs
Verbs That Break the Rules
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Spanish irregular verbs are common verbs that do not follow the usual conjugation patterns. They matter because many of the most useful verbs in everyday speech are irregular, including ser, estar, ir, tener, hacer, and decir. Learning them helps students speak more naturally, understand conversations, and avoid errors in basic sentences. Instead of memorizing every verb separately, students can look for repeated patterns among groups of irregular verbs.
Key Facts
- Ser in the present tense: soy, eres, es, somos, sois, son.
- Estar in the present tense: estoy, estás, está, estamos, estáis, están.
- Ir in the present tense: voy, vas, va, vamos, vais, van.
- Tener in the present tense: tengo, tienes, tiene, tenemos, tenéis, tienen.
- Stem-changing verbs often change e to ie, o to ue, or e to i in all present-tense forms except nosotros and vosotros.
- First-person yo irregulars include hacer = hago, decir = digo, poner = pongo, salir = salgo, and venir = vengo.
Vocabulary
- Infinitive
- The basic unconjugated form of a verb, such as hablar, tener, or ir.
- Conjugation
- The change a verb makes to match the subject, tense, and mood of a sentence.
- Irregular verb
- A verb that does not fully follow the normal conjugation pattern for its verb group.
- Stem change
- A spelling change inside the main part of a verb, such as pensar changing to pienso.
- Subject pronoun
- A word that names who performs the action, such as yo, tú, él, ella, nosotros, or ellos.
Common Mistakes to Avoid
- Using regular endings for every verb, such as yo teno instead of yo tengo, is wrong because tener has an irregular yo form.
- Confusing ser and estar is wrong because ser is usually used for identity or lasting traits, while estar is usually used for location, condition, or temporary states.
- Changing the stem in nosotros and vosotros forms, such as nosotros piensemos for present tense pensar, is wrong because most present-tense stem-changing verbs keep the regular stem in those forms.
- Translating word for word from English, such as yo soy 15 años, is wrong because Spanish uses tener for age, so the correct sentence is tengo 15 años.
Practice Questions
- 1 Write all 6 present-tense forms of ir for yo, tú, él or ella, nosotros, vosotros, and ellos.
- 2 Complete these 6 sentences with the correct present-tense form: Yo ___ una mochila. Tú ___ cansado. Ella ___ a la escuela. Nosotros ___ amigos. Ellos ___ la tarea. Yo ___ la verdad. Use tener, estar, ir, ser, hacer, and decir once each.
- 3 Explain why yo voy is irregular while nosotros hablamos is regular, and describe how a student can tell the difference when studying conjugation charts.