โก High-Frequency Reference
Irregular Verbs Master Cheat Sheet
Irregular verbs don't have to be memorized randomly. Group them by their mutation patterns to master them faster.
Spanish ๐ช๐ธ
4 verbs Stem-Changing: e โ ie
The vowel "e" in the stem changes to "ie" when stressed in present indicative.
| Verb (Infinitive) | English | 1st Person (I) | 3rd Person (He/She) | Action |
|---|---|---|---|---|
| querer | to want / love | quiero | quiere | Full Conjugation โ |
| pensar | to think | pienso | piensa | Full Conjugation โ |
| entender | to understand | entiendo | entiende | Full Conjugation โ |
| preferir | to prefer | prefiero | prefiere | Full Conjugation โ |
Spanish ๐ช๐ธ
5 verbs First-Person "Yo" Irregulars ("-go" Verbs)
Only the "yo" form takes a distinctive -go ending in the present tense.
| Verb (Infinitive) | English | 1st Person (I) | 3rd Person (He/She) | Action |
|---|---|---|---|---|
| tener | to have | tengo | tiene | Full Conjugation โ |
| hacer | to do / make | hago | hace | Full Conjugation โ |
| venir | to come | vengo | viene | Full Conjugation โ |
| poner | to put | pongo | pone | Full Conjugation โ |
| salir | to leave | salgo | sale | Full Conjugation โ |
Spanish ๐ช๐ธ
4 verbs Total Irregulars & Suppletive Verbs
Radically different stem across tenses.
| Verb (Infinitive) | English | 1st Person (I) | 3rd Person (He/She) | Action |
|---|---|---|---|---|
| ser | to be (permanent) | soy | es | Full Conjugation โ |
| estar | to be (state/place) | estoy | estรก | Full Conjugation โ |
| ir | to go | voy | va | Full Conjugation โ |
| saber | to know (facts) | sรฉ | sabe | Full Conjugation โ |
French ๐ซ๐ท
4 verbs Essential 3rd Group Irregulars
Highly unpredictable stem shifts in present and passรฉ composรฉ.
| Verb (Infinitive) | English | 1st Person (I) | 3rd Person (He/She) | Action |
|---|---|---|---|---|
| รชtre | to be | suis | est | Full Conjugation โ |
| avoir | to have | ai | a | Full Conjugation โ |
| faire | to do / make | fais | fait | Full Conjugation โ |
| aller | to go | vais | va | Full Conjugation โ |
German ๐ฉ๐ช
3 verbs Starke Verben (Stem Vowel Shift)
Vowel shifts in 2nd and 3rd person singular (du / er, sie, es).
| Verb (Infinitive) | English | 1st Person (I) | 3rd Person (He/She) | Action |
|---|---|---|---|---|
| sein | to be | bin | ist | Full Conjugation โ |
| haben | to have | habe | hat | Full Conjugation โ |
| werden | to become / will | werde | wird | Full Conjugation โ |
Italian ๐ฎ๐น
3 verbs Core Italian Irregular Verbs
Irregular first-person singular and past participles.
| Verb (Infinitive) | English | 1st Person (I) | 3rd Person (He/She) | Action |
|---|---|---|---|---|
| essere | to be | sono | รจ | Full Conjugation โ |
| avere | to have | ho | ha | Full Conjugation โ |
| fare | to do / make | faccio | fa | Full Conjugation โ |