17.1.10
Irregular IR Verbs - Preterite
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Radical Changing Stems (E → I)
In the preterite tense in Spanish some verbs change their stem in the 'él/ella' form and the 'ellos/ellas' form. These changes only affect these forms of the verb. Derivatives of these verbs follow the same pattern.

Radical changing stem
- Some IR verbs in the preterite tense change their stem.
- In the 'él/ella' and the 'ellos/ellas' forms, the 'e' changes to an 'i'.

Elegir - to choose
- Elegí - I chose.
- Elegiste - you chose.
- Eligió - he/she chose.
- Elegimos - we chose.
- Elegisteis - you chose.
- Eligieron - they chose.

Mentir - to lie
- Mentí - I lied.
- Mentiste - you lied.
- Mintió - he/she lied.
- Mentimos - we lied.
- Mentisteis - you lied.
- Mintieron - they lied.

Pedir - to ask
- Pedí - I asked.
- Pediste - you asked.
- Pidió - he/she asked.
- Pedimos - we asked.
- Pedisteis - you asked.
- Pidieron - they asked.

Sentir - to feel
- Sentí - I felt.
- Sentiste - you felt.
- Sintió - he/she felt.
- Sentimos - we felt.
- Sentisteis - you felt.
- Sintieron - they felt.

Verbs that follow this pattern
- Medir - to measure.
- Sugerir - to suggest.
- Seguir - to follow, continue.
- Preferir - to prefer.
- Advertir - to warn.
- Corregir - to correct.
Radical Changing Stems (O → U)
In the preterite tense, some verbs change their stems in the 'él/ella' and 'ellos/ellas' forms, with the 'o' changing to a 'u'. The two verbs that follow this pattern are 'morir' and 'dormir'.

Morir - to die
- Morí - I died.
- Moriste - you died.
- Murió - he/she died.
- Morimos - we died.
- Moristeis - you died.
- Murieron - they died.

Dormir - to sleep
- Dormí - I slept.
- Dormiste - you slept.
- Durmió - he/she slept.
- Dormimos - we slept.
- Dormisteis - you slept.
- Durmieron - they slept.
1Phonics/Alphabet/Spellings
1.1Phonics / Alphabet / Spellings
2My Family & I
2.1My Family & I
3Time
4Home
5Body & Illness
6Relationships
6.1Relationships
6.2Relationships - Vocabulary
7Customs & Festivals
7.1Customs & Festivals in Spanish Speaking Countries
7.2Customs & Festivals - Vocabulary
8School
8.1School
9Jobs
10Town & Shopping
10.1Town
11Food & Health Life
11.1Food
11.2A Healthy Life
12Free Time
12.1Free Time
13Social Media
13.1Social Media
13.2Social Media - Vocabulary
14Holiday
14.1Holiday
15The World Around Us
16Present Tense
16.1Present Tense
17Past Tense
17.1Preterite Tense
17.2Imperfect Tense
17.3Imperfect v Perfect
17.4Infinitive Phrases
18Future Tense
19Conditional
20Grammar
20.1Articles
20.2Adjectives
20.3Nouns
20.6Pronouns
20.7Negatives
20.8Questions
20.10Adverbs
Jump to other topics
1Phonics/Alphabet/Spellings
1.1Phonics / Alphabet / Spellings
2My Family & I
2.1My Family & I
3Time
4Home
5Body & Illness
6Relationships
6.1Relationships
6.2Relationships - Vocabulary
7Customs & Festivals
7.1Customs & Festivals in Spanish Speaking Countries
7.2Customs & Festivals - Vocabulary
8School
8.1School
9Jobs
10Town & Shopping
10.1Town
11Food & Health Life
11.1Food
11.2A Healthy Life
12Free Time
12.1Free Time
13Social Media
13.1Social Media
13.2Social Media - Vocabulary
14Holiday
14.1Holiday
15The World Around Us
16Present Tense
16.1Present Tense
17Past Tense
17.1Preterite Tense
17.2Imperfect Tense
17.3Imperfect v Perfect
17.4Infinitive Phrases
18Future Tense
19Conditional
20Grammar
20.1Articles
20.2Adjectives
20.3Nouns
20.6Pronouns
20.7Negatives
20.8Questions
20.10Adverbs
Practice questions on Irregular IR Verbs - Preterite
Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.
- 1How do you say 'they lied' in Spanish?Multiple choice
- 2Irregular IR verbs in the preterite tense:Fill in the list
- 3¿Cómo diríais 'they suggested' en español?Multiple choice
- 4¿Cómo diríais 'she slept well' en español?Multiple choice
- 5
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