English verb conjugation CAN FAIL FAIL

Regular verb: fail fail - fail failed - fail failed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I can fail fail
you can fail fail
he can fail fail
we can fail fail
you can fail fail
they can fail fail

V-ing form

I can be fail failing
you can be fail failing
he can be fail failing
we can be fail failing
you can be fail failing
they can be fail failing

Perfect

I can have fail failed
you can have fail failed
he can have fail failed
we can have fail failed
you can have fail failed
they can have fail failed

V-ing perfect

I can have been fail failing
you can have been fail failing
he can have been fail failing
we can have been fail failing
you can have been fail failing
they can have been fail failing

Negation

Simple form

I can't fail fail
you can't fail fail
he can't fail fail
we can't fail fail
you can't fail fail
they can't fail fail

V-ing form

I can't be fail failing
you can't be fail failing
he can't be fail failing
we can't be fail failing
you can't be fail failing
they can't be fail failing

Perfect

I can't have fail failed
you can't have fail failed
he can't have fail failed
we can't have fail failed
you can't have fail failed
they can't have fail failed

V-ing perfect

I can't have been fail failing
you can't have been fail failing
he can't have been fail failing
we can't have been fail failing
you can't have been fail failing
they can't have been fail failing

Interrogative form

Simple form

can I fail fail?
can you fail fail?
can he fail fail?
can we fail fail?
can you fail fail?
can they fail fail?

V-ing form

can I be fail failing?
can you be fail failing?
can he be fail failing?
can we be fail failing?
can you be fail failing?
can they be fail failing?

Perfect

can I have fail failed?
can you have fail failed?
can he have fail failed?
can we have fail failed?
can you have fail failed?
can they have fail failed?

V-ing perfect

can I have been fail failing?
can you have been fail failing?
can he have been fail failing?
can we have been fail failing?
can you have been fail failing?
can they have been fail failing?

Interro-negative form

Simple form

can't I fail fail?
can't you fail fail?
can't he fail fail?
can't we fail fail?
can't you fail fail?
can't they fail fail?

V-ing form

can't I be fail failing?
can't you be fail failing?
can't he be fail failing?
can't we be fail failing?
can't you be fail failing?
can't they be fail failing?

Perfect

can't I have fail failed?
can't you have fail failed?
can't he have fail failed?
can't we have fail failed?
can't you have fail failed?
can't they have fail failed?

V-ing perfect

can't I have been fail failing?
can't you have been fail failing?
can't he have been fail failing?
can't we have been fail failing?
can't you have been fail failing?
can't they have been fail failing?

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