9.1.10
Irregular IR Verbs 2
Radical Changing Stems (I → Y)
Radical Changing Stems (I → Y)
Most IR verbs that end in 'uir' change their stem in the 'él/ella' and 'ellos/ellas' forms of the preterite tense. These verbs drop the 'i' from the stem and instead have a 'y'.
Contribuir - to contribute
Contribuir - to contribute
- Contribuí - I contributed.
- Contribuiste - you contributed.
- Contribuyó - he/she contributed.
- Contribuimos - we contributed.
- Contribuisteis - you contributed.
- Contribuyeron - they contributed.
Oír - to hear
Oír - to hear
- Oí - I heard.
- Oíste - you heard.
- Oyó - he/she heard.
- Oímos - we heard.
- Oísteis - you heard.
- Oyeron - they heard.
Verbs Ending in 'Ducir' in the Preterite Tense
Verbs Ending in 'Ducir' in the Preterite Tense
Verbs that end in 'ducir' change the 'c' to a 'j' in a preterite tense.
Introducir - to introduce
Introducir - to introduce
- Introduje - I introduced.
- Introdujiste - you introduced.
- Introdujo - he/she introduced.
- Introdujimos - we introduced.
- Introdujisteis - you introduced.
- Introdujeron - they introduced.
Conducir - to drive
Conducir - to drive
- Conduje - I drove.
- Condujiste - you drove.
- Condujo - he/she drove.
- Condujimos - we drove.
- Condujisteis - you drove.
- Condujeron - they drove.
Traducir - to translate
Traducir - to translate
- Traduje - I translated.
- Tradujiste - you translated.
- Tradujo - he/she translated.
- Tradujimos - we translated.
- Tradujisteis - you translated.
- Tradujeron - they translated.
1Phonics/Alphabet/Spellings
1.1Phonics/Alphabet/Spellings
2You, Family & Home
2.1My Family & I
2.1.1Name & Age
2.1.2Colours
2.1.3Hair & Eyes
2.1.4Adjective Endings Match the Gender of the Noun
2.1.5Physical Appearance
2.1.6Personality
2.1.7Family Members
2.1.8Eldest, Youngest
2.1.9Other Family Members
2.1.10Family Life - Listening
2.1.11Describing Others
2.1.12Nationalities
2.1.13Being Polite
2.1.14Introductions
2.1.15Pets
2.1.16At The Post Office
2.1.17Letters
2.1.18Opinion Phrases
2.1.19End of Topic Test - My Family & I
2.2Time
2.3Home
2.4Body & Illness
2.5Relationships
3School & Jobs
4Town, Shopping, Food, Drink
4.1Town
4.2Food
4.3A Healthy Life
5Free Time
5.1Free Time
5.2Social Media
5.2.1Social Media
5.2.2Social Media 2
5.2.3Social Media Vocab - Spanish to English
5.2.4Social Media Vocab - English to Spanish
5.2.5Social Media Vocab - Translations
5.2.6Positives of Social Media
5.2.7Negatives of Social Media
5.2.8'No'
5.2.9Mobile Technology
5.2.10Your Devices
5.2.11Mobile Tech Vocab- Spanish to English
5.2.12Mobile Tech Vocab- English to Spanish
5.2.13Mobile Tech Vocab- Translations
5.2.14Social Media - Listening
6Holiday
7The World Around Us
7.1The World Around Us
8Present Tense
8.1Present Tense
8.1.1Regular AR Verbs
8.1.2Irregular AR Verbs
8.1.3Regular ER Verbs
8.1.4Irregular ER Verbs
8.1.5Irregular ER Verbs 2
8.1.6Regular IR Verbs
8.1.7Irregular IR Verbs
8.1.8Irregular IR Verbs 2
8.1.9Irregular IR Verbs 3
8.1.10Irregular IR Verbs 3
8.1.11To Be
8.1.12Uses of To Be
8.1.13Uses of To Be 2
8.1.14To Like
8.1.15To Have
9Past Tense
9.1Preterite Tense
9.2Imperfect Tense
9.3Imperfect v Perfect
9.4Infinitive Phrases
10Future Tense
11Conditional
12Grammar
12.1Articles
12.2Adjectives
12.2.1Gender & Position
12.2.2The Position of Adjectives
12.2.3Adjectives that Change Endings
12.2.4Adjectives that Remain the Same
12.2.5Adjectives 2
12.2.6'Ser'
12.2.7'Estar'
12.2.8Grande & Bueno
12.2.9Plurals Ending in a Consonant
12.2.10Plurals Ending in a Vowel
12.2.11Possession
12.2.12Indefinite
12.2.13Complex Comparisons
12.3Nouns
12.3.1Common Noun Endings
12.3.2Other Noun Endings
12.3.3People & Animals
12.3.4Nouns that Stay the Same
12.3.5Nouns Used for Masculine or Feminine
12.3.6Masculine & Feminine Nouns
12.3.7Masculine Exceptions
12.3.8Feminine Exceptions
12.3.9Noun Endings that Are Usually Feminine
12.3.10Noun Endings that Are Usually Masculine
12.3.11Masculine Nouns
12.3.12Masculine & Feminine Nouns
12.3.13Plural Nouns that End in a Vowel
12.3.14Plural Nouns that End in a Consonant
12.6Pronouns
12.7Negatives
12.8Questions
12.10Adverbs
Jump to other topics
1Phonics/Alphabet/Spellings
1.1Phonics/Alphabet/Spellings
2You, Family & Home
2.1My Family & I
2.1.1Name & Age
2.1.2Colours
2.1.3Hair & Eyes
2.1.4Adjective Endings Match the Gender of the Noun
2.1.5Physical Appearance
2.1.6Personality
2.1.7Family Members
2.1.8Eldest, Youngest
2.1.9Other Family Members
2.1.10Family Life - Listening
2.1.11Describing Others
2.1.12Nationalities
2.1.13Being Polite
2.1.14Introductions
2.1.15Pets
2.1.16At The Post Office
2.1.17Letters
2.1.18Opinion Phrases
2.1.19End of Topic Test - My Family & I
2.2Time
2.3Home
2.4Body & Illness
2.5Relationships
3School & Jobs
4Town, Shopping, Food, Drink
4.1Town
4.2Food
4.3A Healthy Life
5Free Time
5.1Free Time
5.2Social Media
5.2.1Social Media
5.2.2Social Media 2
5.2.3Social Media Vocab - Spanish to English
5.2.4Social Media Vocab - English to Spanish
5.2.5Social Media Vocab - Translations
5.2.6Positives of Social Media
5.2.7Negatives of Social Media
5.2.8'No'
5.2.9Mobile Technology
5.2.10Your Devices
5.2.11Mobile Tech Vocab- Spanish to English
5.2.12Mobile Tech Vocab- English to Spanish
5.2.13Mobile Tech Vocab- Translations
5.2.14Social Media - Listening
6Holiday
7The World Around Us
7.1The World Around Us
8Present Tense
8.1Present Tense
8.1.1Regular AR Verbs
8.1.2Irregular AR Verbs
8.1.3Regular ER Verbs
8.1.4Irregular ER Verbs
8.1.5Irregular ER Verbs 2
8.1.6Regular IR Verbs
8.1.7Irregular IR Verbs
8.1.8Irregular IR Verbs 2
8.1.9Irregular IR Verbs 3
8.1.10Irregular IR Verbs 3
8.1.11To Be
8.1.12Uses of To Be
8.1.13Uses of To Be 2
8.1.14To Like
8.1.15To Have
9Past Tense
9.1Preterite Tense
9.2Imperfect Tense
9.3Imperfect v Perfect
9.4Infinitive Phrases
10Future Tense
11Conditional
12Grammar
12.1Articles
12.2Adjectives
12.2.1Gender & Position
12.2.2The Position of Adjectives
12.2.3Adjectives that Change Endings
12.2.4Adjectives that Remain the Same
12.2.5Adjectives 2
12.2.6'Ser'
12.2.7'Estar'
12.2.8Grande & Bueno
12.2.9Plurals Ending in a Consonant
12.2.10Plurals Ending in a Vowel
12.2.11Possession
12.2.12Indefinite
12.2.13Complex Comparisons
12.3Nouns
12.3.1Common Noun Endings
12.3.2Other Noun Endings
12.3.3People & Animals
12.3.4Nouns that Stay the Same
12.3.5Nouns Used for Masculine or Feminine
12.3.6Masculine & Feminine Nouns
12.3.7Masculine Exceptions
12.3.8Feminine Exceptions
12.3.9Noun Endings that Are Usually Feminine
12.3.10Noun Endings that Are Usually Masculine
12.3.11Masculine Nouns
12.3.12Masculine & Feminine Nouns
12.3.13Plural Nouns that End in a Vowel
12.3.14Plural Nouns that End in a Consonant
12.6Pronouns
12.7Negatives
12.8Questions
12.10Adverbs
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