English verb conjugation COULD FISHTAIL

Regular verb: fishtail - fishtailed - fishtailed

Affirmation

Simple form

I could fishtail
you could fishtail
he could fishtail
we could fishtail
you could fishtail
they could fishtail

V-ing form

I could be fishtailing
you could be fishtailing
he could be fishtailing
we could be fishtailing
you could be fishtailing
they could be fishtailing

Perfect

I could have fishtailed
you could have fishtailed
he could have fishtailed
we could have fishtailed
you could have fishtailed
they could have fishtailed

V-ing perfect

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

Negation

Simple form

I could not fishtail
you could not fishtail
he could not fishtail
we could not fishtail
you could not fishtail
they could not fishtail

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I fishtail?
could you fishtail?
could he fishtail?
could we fishtail?
could you fishtail?
could they fishtail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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