English verb conjugation
TO FAIL

Regular verb: fail - failed - failed

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I fail? don't you fail? doesn't she fail? don't we fail? don't you fail? don't they fail?	am I not failing? aren't you failing? isn't she failing? aren't we failing? aren't you failing? aren't they failing?	didn't I fail? didn't you fail? didn't she fail? didn't we fail? didn't you fail? didn't they fail?	wasn't I failing? weren't you failing? wasn't she failing? weren't we failing? weren't you failing? weren't they failing?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I failed? haven't you failed? hasn't she failed? haven't we failed? haven't you failed? haven't they failed?	haven't I been failing? haven't you been failing? hasn't she been failing? haven't we been failing? haven't you been failing? haven't they been failing?	hadn't I failed? hadn't you failed? hadn't she failed? hadn't we failed? hadn't you failed? hadn't they failed?	hadn't I been failing? hadn't you been failing? hadn't she been failing? hadn't we been failing? hadn't you been failing? hadn't they been failing?
Future	Future continuous	Future perfect	Future perfect continuous
won't I fail? won't you fail? won't she fail? won't we fail? won't you fail? won't they fail?	won't I be failing? won't you be failing? won't she be failing? won't we be failing? won't you be failing? won't they be failing?	won't I have failed? won't you have failed? won't she have failed? won't we have failed? won't you have failed? won't they have failed?	won't I have been failing? won't you have been failing? won't she have been failing? won't we have been failing? won't you have been failing? won't they have been failing?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I fail? wouldn't you fail? wouldn't she fail? wouldn't we fail? wouldn't you fail? wouldn't they fail?	wouldn't I be failing? wouldn't you be failing? wouldn't she be failing? wouldn't we be failing? wouldn't you be failing? wouldn't they be failing?	wouldn't I have failed? wouldn't you have failed? wouldn't she have failed? wouldn't we have failed? wouldn't you have failed? wouldn't they have failed?	wouldn't I have been failing? wouldn't you have been failing? wouldn't she have been failing? wouldn't we have been failing? wouldn't you have been failing? wouldn't they have been failing?

Infinitive

Imperative

Infinitive		Imperative
to fail		- - -

Participle

Present	Past
failing	failed