fail
Simple present
| I | fail |
| you | fail |
| he, she, it | fails |
| we | fail |
| you | fail |
| they | fail |
Simple past
| I | failed |
| you | failed |
| he, she, it | failed |
| we | failed |
| you | failed |
| they | failed |
Future
| I | will/shall fail |
| you | will/shall fail |
| he, she, it | will/shall fail |
| we | will/shall fail |
| you | will/shall fail |
| they | will/shall fail |
Present continuous
| I | am failing |
| you | are failing |
| he, she, it | is failing |
| we | are failing |
| you | are failing |
| they | are failing |
Past continuous
| I | was failing |
| you | were failing |
| he, she, it | was failing |
| we | were failing |
| you | were failing |
| they | were failing |
Conditional
| I | would/should fail |
| you | would/should fail |
| he, she, it | would/should fail |
| we | would/should fail |
| you | would/should fail |
| they | would/should fail |
Present perfect
| I | have failed |
| you | have failed |
| he, she, it | has failed |
| we | have failed |
| you | have failed |
| they | have failed |
Past perfect
| I | had failed |
| you | had failed |
| he, she, it | had failed |
| we | had failed |
| you | had failed |
| they | had failed |
Conditional perfect
| I | would/should have failed |
| you | would/should have failed |
| he, she, it | would/should have failed |
| we | would/should have failed |
| you | would/should have failed |
| they | would/should have failed |
Present perfect continuous
| I | have been failing |
| you | have been failing |
| he, she, it | has been failing |
| we | have been failing |
| you | have been failing |
| they | have been failing |
Past perfect continuous
| I | had been failing |
| you | had been failing |
| he, she, it | had been failing |
| we | had been failing |
| you | had been failing |
| they | had been failing |
Infinitive
| to fail |
Present participle
| failing |
Past participle
| failed |
Partilhar
Como referenciar 
fail – no Dicionário infopédia de Verbos Ingleses [em linha]. Porto Editora. Disponível em https://www.infopedia.ptdicionarios/verbos-ingleses/fail [visualizado em 2026-07-05 10:24:56].