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Other forms without ? | do not fail | male gender | 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
do I fail?
do you fail?
does she fail?
do we fail?
do you fail?
do they fail?
Present continuous
am I failing?
are you failing?
is she failing?
are we failing?
are you failing?
are they failing?
Preterite
did I fail?
did you fail?
did she fail?
did we fail?
did you fail?
did they fail?
Preterite continuous
was I failing?
were you failing?
was she failing?
were we failing?
were you failing?
were they failing?
Present perfect
have I failed?
have you failed?
has she failed?
have we failed?
have you failed?
have they failed?
Present perfect continuous
have I been failing?
have you been failing?
has she been failing?
have we been failing?
have you been failing?
have they been failing?
Pluperfect
had I failed?
had you failed?
had she failed?
had we failed?
had you failed?
had they failed?
Pluperfect continuous
had I been failing?
had you been failing?
had she been failing?
had we been failing?
had you been failing?
had they been failing?
Future
will I fail?
will you fail?
will she fail?
will we fail?
will you fail?
will they fail?
Future continuous
will I be failing?
will you be failing?
will she be failing?
will we be failing?
will you be failing?
will they be failing?
Future perfect
will I have failed?
will you have failed?
will she have failed?
will we have failed?
will you have failed?
will they have failed?
Future perfect continuous
will I have been failing?
will you have been failing?
will she have been failing?
will we have been failing?
will you have been failing?
will they have been failing?

Conditional

Present
would I fail?
would you fail?
would she fail?
would we fail?
would you fail?
would they fail?
Present continuous
would I be failing?
would you be failing?
would she be failing?
would we be failing?
would you be failing?
would they be failing?
Past
would I have failed?
would you have failed?
would she have failed?
would we have failed?
would you have failed?
would they have failed?
Past continuous
would I have been failing?
would you have been failing?
would she have been failing?
would we have been failing?
would you have been failing?
would they have been failing?

Imperative

Imperative
-
-
-
 
 
 

Infinitive

Infinitive
to fail
 
 
 

Participle

Present
failing
Past
failed