English verb conjugation MAY FAIL

Regular verb: fail - failed - failed

Affirmation

Simple form

I may fail
you may fail
he may fail
we may fail
you may fail
they may fail

V-ing form

I may be failing
you may be failing
he may be failing
we may be failing
you may be failing
they may be failing

Perfect

I may have failed
you may have failed
he may have failed
we may have failed
you may have failed
they may have failed

V-ing perfect

I may have been failing
you may have been failing
he may have been failing
we may have been failing
you may have been failing
they may have been failing

Negation

Simple form

I may not fail
you may not fail
he may not fail
we may not fail
you may not fail
they may not fail

V-ing form

I may not be failing
you may not be failing
he may not be failing
we may not be failing
you may not be failing
they may not be failing

Perfect

I may not have failed
you may not have failed
he may not have failed
we may not have failed
you may not have failed
they may not have failed

V-ing perfect

I may not have been failing
you may not have been failing
he may not have been failing
we may not have been failing
you may not have been failing
they may not have been failing

Interrogative form

Simple form

may I fail?
may you fail?
may he fail?
may we fail?
may you fail?
may they fail?

V-ing form

may I be failing?
may you be failing?
may he be failing?
may we be failing?
may you be failing?
may they be failing?

Perfect

may I have failed?
may you have failed?
may he have failed?
may we have failed?
may you have failed?
may they have failed?

V-ing perfect

may I have been failing?
may you have been failing?
may he have been failing?
may we have been failing?
may you have been failing?
may they have been failing?

Interro-negative form

Simple form

may I not fail?
may you not fail?
may he not fail?
may we not fail?
may you not fail?
may they not fail?

V-ing form

may I not be failing?
may you not be failing?
may he not be failing?
may we not be failing?
may you not be failing?
may they not be failing?

Perfect

may I not have failed?
may you not have failed?
may he not have failed?
may we not have failed?
may you not have failed?
may they not have failed?

V-ing perfect

may I not have been failing?
may you not have been failing?
may he not have been failing?
may we not have been failing?
may you not have been failing?
may they not have been failing?

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