English verb conjugation COULD TRAIL

Regular verb: trail - trailed - trailed

Affirmation

Simple form

I could trail
you could trail
he could trail
we could trail
you could trail
they could trail

V-ing form

I could be trailing
you could be trailing
he could be trailing
we could be trailing
you could be trailing
they could be trailing

Perfect

I could have trailed
you could have trailed
he could have trailed
we could have trailed
you could have trailed
they could have trailed

V-ing perfect

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

Negation

Simple form

I could not trail
you could not trail
he could not trail
we could not trail
you could not trail
they could not trail

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I trail?
could you trail?
could he trail?
could we trail?
could you trail?
could they trail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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