Welcome to the conjugation section for the English verb fail. Here you will find the complete conjugation of this verb in all its tenses and modes. We also offer usage examples for each verb form and mode, so that you can better understand how fail is used in different contexts.
indicative
present
i failyou failhe/she/it failswe failyou failthey failpreterite
i failedyou failedhe/she/it failedwe failedyou failedthey failedpresent continuous
i am failingyou are failinghe/she/it is failingwe are failingyou are failingthey are failingpresent perfect
i have failedyou have failedhe/she/it has failedwe have failedyou have failedthey have failedfuture
i will failyou will failhe/she/it will failwe will failyou will failthey will failfuture perfect
i will have failedyou will have failedhe/she/it will have failedwe will have failedyou will have failedthey will have failedpast continous
i was failingyou were failinghe/she/it was failingwe were failingyou were failingthey were failingpast perfect
i had failedyou had failedhe/she/it had failedwe had failedyou had failedthey had failedfuture continuous
i will be failingyou will be failinghe/she/it will be failingwe will be failingyou will be failingthey will be failingpresent perfect continuous
i have been failingyou have been failinghe/she/it has been failingwe have been failingyou have been failingthey have been failingpast perfect continuous
i had been failingyou had been failinghe/she/it had been failingwe had been failingyou had been failingthey had been failingfuture perfect continuous
i will have been failingyou will have been failinghe/she/it will have been failingwe will have been failingyou will have been failingthey will have been failingparticiple
imperative
faillet's failfailpresent
failingpast
failedinfinitive
to failperfect participle
having failed
The verb fail is a fundamental part of the English language and it is important to know its conjugation in order to use it correctly in your conversations, writing, and other contexts. That's why we invite you to explore this section and learn more about the conjugation of fail. We hope this tool will be useful in your learning of English!