English verb conjugation COULD FLAIL

Regular verb: flail - flailed - flailed

Affirmation

Simple form

I could flail
you could flail
he could flail
we could flail
you could flail
they could flail

V-ing form

I could be flailing
you could be flailing
he could be flailing
we could be flailing
you could be flailing
they could be flailing

Perfect

I could have flailed
you could have flailed
he could have flailed
we could have flailed
you could have flailed
they could have flailed

V-ing perfect

I could have been flailing
you could have been flailing
he could have been flailing
we could have been flailing
you could have been flailing
they could have been flailing

Negation

Simple form

I could not flail
you could not flail
he could not flail
we could not flail
you could not flail
they could not flail

V-ing form

I could not be flailing
you could not be flailing
he could not be flailing
we could not be flailing
you could not be flailing
they could not be flailing

Perfect

I could not have flailed
you could not have flailed
he could not have flailed
we could not have flailed
you could not have flailed
they could not have flailed

V-ing perfect

I could not have been flailing
you could not have been flailing
he could not have been flailing
we could not have been flailing
you could not have been flailing
they could not have been flailing

Interrogative form

Simple form

could I flail?
could you flail?
could he flail?
could we flail?
could you flail?
could they flail?

V-ing form

could I be flailing?
could you be flailing?
could he be flailing?
could we be flailing?
could you be flailing?
could they be flailing?

Perfect

could I have flailed?
could you have flailed?
could he have flailed?
could we have flailed?
could you have flailed?
could they have flailed?

V-ing perfect

could I have been flailing?
could you have been flailing?
could he have been flailing?
could we have been flailing?
could you have been flailing?
could they have been flailing?

Interro-negative form

Simple form

could I not flail?
could you not flail?
could he not flail?
could we not flail?
could you not flail?
could they not flail?

V-ing form

could I not be flailing?
could you not be flailing?
could he not be flailing?
could we not be flailing?
could you not be flailing?
could they not be flailing?

Perfect

could I not have flailed?
could you not have flailed?
could he not have flailed?
could we not have flailed?
could you not have flailed?
could they not have flailed?

V-ing perfect

could I not have been flailing?
could you not have been flailing?
could he not have been flailing?
could we not have been flailing?
could you not have been flailing?
could they not have been flailing?

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