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Other forms to fail ? | do not fail | male gender | remove contraction
Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation TO FAIL

Regular verb: fail - failed - failed

Indicative

Present
I fail
you fail
she fails
we fail
you fail
they fail
Present continuous
I'm failing
you're failing
she's failing
we're failing
you're failing
they're failing
Preterite
I failed
you failed
she failed
we failed
you failed
they failed
Preterite continuous
I was failing
you were failing
she was failing
we were failing
you were failing
they were failing
Present perfect
I've failed
you've failed
she's failed
we've failed
you've failed
they've failed
Present perfect continuous
I've been failing
you've been failing
she's been failing
we've been failing
you've been failing
they've been failing
Pluperfect
I'd failed
you'd failed
she'd failed
we'd failed
you'd failed
they'd failed
Pluperfect continuous
I'd been failing
you'd been failing
she'd been failing
we'd been failing
you'd been failing
they'd been failing
Future
I'll fail
you'll fail
she'll fail
we'll fail
you'll fail
they'll fail
Future continuous
I'll be failing
you'll be failing
she'll be failing
we'll be failing
you'll be failing
they'll be failing
Future perfect
I'll have failed
you'll have failed
she'll have failed
we'll have failed
you'll have failed
they'll have failed
Future perfect continuous
I'll have been failing
you'll have been failing
she'll have been failing
we'll have been failing
you'll have been failing
they'll have been failing

Conditional

Present
I'd fail
you'd fail
she'd fail
we'd fail
you'd fail
they'd fail
Present continuous
I'd be failing
you'd be failing
she'd be failing
we'd be failing
you'd be failing
they'd be failing
Past
I'd have failed
you'd have failed
she'd have failed
we'd have failed
you'd have failed
they'd have failed
Past continuous
I'd have been failing
you'd have been failing
she'd have been failing
we'd have been failing
you'd have been failing
they'd have been failing

Imperative

Imperative
fail
Let's fail
fail
 
 
 

Infinitive

Infinitive
to fail
 
 
 

Participle

Present
failing
Past
failed