English verb conjugation COULD TAIL

Regular verb: tail - tailed - tailed

Affirmation

Simple form

I could tail
you could tail
he could tail
we could tail
you could tail
they could tail

V-ing form

I could be tailing
you could be tailing
he could be tailing
we could be tailing
you could be tailing
they could be tailing

Perfect

I could have tailed
you could have tailed
he could have tailed
we could have tailed
you could have tailed
they could have tailed

V-ing perfect

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

Negation

Simple form

I could not tail
you could not tail
he could not tail
we could not tail
you could not tail
they could not tail

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tail?
could you tail?
could he tail?
could we tail?
could you tail?
could they tail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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