Fallar conjugation chart
Fallar present tense
presente · I speak
| yo | I fail | |
|---|---|---|
| tú | you fail | |
| vos | you fail | |
| él, ella, usted | he/she fails | |
| nosotros | we fail | |
| vosotros | you all fail | |
| ellos, ellas, ustedes | they fail |
Regular: same endings as hablar.
Fallar preterite
pretérito · I spoke
| yo | I failed | |
|---|---|---|
| tú | you failed | |
| vos | you failed | |
| él, ella, usted | he/she failed | |
| nosotros | we failed | |
| vosotros | you all failed | |
| ellos, ellas, ustedes | they failed |
Regular: same endings as hablar.
Fallar imperfect
pretérito imperfecto · I used to speak
| yo | I used to fail | |
|---|---|---|
| tú | you used to fail | |
| vos | you used to fail | |
| él, ella, usted | he/she used to fail | |
| nosotros | we used to fail | |
| vosotros | you all used to fail | |
| ellos, ellas, ustedes | they used to fail |
Regular: same endings as hablar.
Fallar future
futuro · I will speak
| yo | I will fail | |
|---|---|---|
| tú | you will fail | |
| vos | you will fail | |
| él, ella, usted | he/she will fail | |
| nosotros | we will fail | |
| vosotros | you all will fail | |
| ellos, ellas, ustedes | they will fail |
Regular: same endings as hablar.
Fallar conditional
condicional · I would speak
| yo | I would fail | |
|---|---|---|
| tú | you would fail | |
| vos | you would fail | |
| él, ella, usted | he/she would fail | |
| nosotros | we would fail | |
| vosotros | you all would fail | |
| ellos, ellas, ustedes | they would fail |
Regular: same endings as hablar.
Fallar present subjunctive
presente de subjuntivo · that I speak
| yo | that I fail | |
|---|---|---|
| tú | that you fail | |
| vos | that you fail | |
| él, ella, usted | that he/she fail | |
| nosotros | that we fail | |
| vosotros | that you all fail | |
| ellos, ellas, ustedes | that they fail |
Regular: same endings as hablar.
Fallar imperfect subjunctive
imperfecto de subjuntivo · if I spoke
| yo | if I failed | |
|---|---|---|
| tú | if you failed | |
| vos | if you failed | |
| él, ella, usted | if he/she failed | |
| nosotros | if we failed | |
| vosotros | if you all failed | |
| ellos, ellas, ustedes | if they failed |
Regular: same endings as hablar.
In the subjunctive, vos takes the same form as tú in careful speech. The imperfect subjunctive also has an -se form (fallase), more common in writing.
Fallar affirmative commands
imperativo · speak!
| tú | fail! | |
|---|---|---|
| vos | fail! | |
| usted | fail! | |
| nosotros | let's fail! | |
| vosotros | fail! | |
| ustedes | fail! |
The tú form is the él form of the present: falla. Usted, nosotros and ustedes come from the present subjunctive (falle, fallemos, fallen).
Fallar negative commands
imperativo negativo · don't speak!
| tú | don't fail! | |
|---|---|---|
| vos | don't fail! | |
| usted | don't fail! | |
| nosotros | let's not fail! | |
| vosotros | don't fail! | |
| ustedes | don't fail! |
Built from the present subjunctive: no + falles, falle…
Always the verb haber + the past participle fallado, which never changes.
Fallar present perfect
pretérito perfecto · I have spoken
| yo | he fallado |
|---|---|
| tú | has fallado |
| vos | has fallado |
| él, ella, usted | ha fallado |
| nosotros | hemos fallado |
| vosotros | habéis fallado |
| ellos, ellas, ustedes | han fallado |
Fallar pluperfect
pluscuamperfecto · I had spoken
| yo | había fallado |
|---|---|
| tú | habías fallado |
| vos | habías fallado |
| él, ella, usted | había fallado |
| nosotros | habíamos fallado |
| vosotros | habíais fallado |
| ellos, ellas, ustedes | habían fallado |
Fallar future perfect
futuro perfecto · I will have spoken
| yo | habré fallado |
|---|---|
| tú | habrás fallado |
| vos | habrás fallado |
| él, ella, usted | habrá fallado |
| nosotros | habremos fallado |
| vosotros | habréis fallado |
| ellos, ellas, ustedes | habrán fallado |
Fallar conditional perfect
condicional perfecto · I would have spoken
| yo | habría fallado |
|---|---|
| tú | habrías fallado |
| vos | habrías fallado |
| él, ella, usted | habría fallado |
| nosotros | habríamos fallado |
| vosotros | habríais fallado |
| ellos, ellas, ustedes | habrían fallado |
Fallar present perfect subjunctive
pretérito perfecto de subjuntivo · that I have spoken
| yo | haya fallado |
|---|---|
| tú | hayas fallado |
| vos | hayas fallado |
| él, ella, usted | haya fallado |
| nosotros | hayamos fallado |
| vosotros | hayáis fallado |
| ellos, ellas, ustedes | hayan fallado |
In Latin America, ustedes is the only “you all”; vosotros is used only in Spain. Vos is used in Argentina, Uruguay and much of Central America. Uncheck the boxes above to hide what you don’t need.
Practice fallar
Type the right form and press Enter. A missing accent still counts, but I'll point it out.