female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD PLANK
Regular verb: plank - planked - planked
Affirmation
Simple form
I could plankyou could plank
he could plank
we could plank
you could plank
they could plank
V-ing form
I could be plankingyou could be planking
he could be planking
we could be planking
you could be planking
they could be planking
Perfect
I could have plankedyou could have planked
he could have planked
we could have planked
you could have planked
they could have planked
V-ing perfect
I could have been plankingyou could have been planking
he could have been planking
we could have been planking
you could have been planking
they could have been planking
Negation
Simple form
I could not plankyou could not plank
he could not plank
we could not plank
you could not plank
they could not plank
V-ing form
I could not be plankingyou could not be planking
he could not be planking
we could not be planking
you could not be planking
they could not be planking
Perfect
I could not have plankedyou could not have planked
he could not have planked
we could not have planked
you could not have planked
they could not have planked
V-ing perfect
I could not have been plankingyou could not have been planking
he could not have been planking
we could not have been planking
you could not have been planking
they could not have been planking
Interrogative form
Simple form
could I plank?could you plank?
could he plank?
could we plank?
could you plank?
could they plank?
V-ing form
could I be planking?could you be planking?
could he be planking?
could we be planking?
could you be planking?
could they be planking?
Perfect
could I have planked?could you have planked?
could he have planked?
could we have planked?
could you have planked?
could they have planked?
V-ing perfect
could I have been planking?could you have been planking?
could he have been planking?
could we have been planking?
could you have been planking?
could they have been planking?
Interro-negative form
Simple form
could I not plank?could you not plank?
could he not plank?
could we not plank?
could you not plank?
could they not plank?
V-ing form
could I not be planking?could you not be planking?
could he not be planking?
could we not be planking?
could you not be planking?
could they not be planking?
Perfect
could I not have planked?could you not have planked?
could he not have planked?
could we not have planked?
could you not have planked?
could they not have planked?
V-ing perfect
could I not have been planking?could you not have been planking?
could he not have been planking?
could we not have been planking?
could you not have been planking?
could they not have been planking?