English verb conjugation COULD AIL

Regular verb: ail - ailed - ailed

Affirmation

Simple form

I could ail
you could ail
he could ail
we could ail
you could ail
they could ail

V-ing form

I could be ailing
you could be ailing
he could be ailing
we could be ailing
you could be ailing
they could be ailing

Perfect

I could have ailed
you could have ailed
he could have ailed
we could have ailed
you could have ailed
they could have ailed

V-ing perfect

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

Negation

Simple form

I could not ail
you could not ail
he could not ail
we could not ail
you could not ail
they could not ail

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I ail?
could you ail?
could he ail?
could we ail?
could you ail?
could they ail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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