female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD FLAP
Regular verb: flap - flapped - flapped
Affirmation
Simple form
I could flapyou could flap
he could flap
we could flap
you could flap
they could flap
V-ing form
I could be flappingyou could be flapping
he could be flapping
we could be flapping
you could be flapping
they could be flapping
Perfect
I could have flappedyou could have flapped
he could have flapped
we could have flapped
you could have flapped
they could have flapped
V-ing perfect
I could have been flappingyou could have been flapping
he could have been flapping
we could have been flapping
you could have been flapping
they could have been flapping
Negation
Simple form
I could not flapyou could not flap
he could not flap
we could not flap
you could not flap
they could not flap
V-ing form
I could not be flappingyou could not be flapping
he could not be flapping
we could not be flapping
you could not be flapping
they could not be flapping
Perfect
I could not have flappedyou could not have flapped
he could not have flapped
we could not have flapped
you could not have flapped
they could not have flapped
V-ing perfect
I could not have been flappingyou could not have been flapping
he could not have been flapping
we could not have been flapping
you could not have been flapping
they could not have been flapping
Interrogative form
Simple form
could I flap?could you flap?
could he flap?
could we flap?
could you flap?
could they flap?
V-ing form
could I be flapping?could you be flapping?
could he be flapping?
could we be flapping?
could you be flapping?
could they be flapping?
Perfect
could I have flapped?could you have flapped?
could he have flapped?
could we have flapped?
could you have flapped?
could they have flapped?
V-ing perfect
could I have been flapping?could you have been flapping?
could he have been flapping?
could we have been flapping?
could you have been flapping?
could they have been flapping?
Interro-negative form
Simple form
could I not flap?could you not flap?
could he not flap?
could we not flap?
could you not flap?
could they not flap?
V-ing form
could I not be flapping?could you not be flapping?
could he not be flapping?
could we not be flapping?
could you not be flapping?
could they not be flapping?
Perfect
could I not have flapped?could you not have flapped?
could he not have flapped?
could we not have flapped?
could you not have flapped?
could they not have flapped?
V-ing perfect
could I not have been flapping?could you not have been flapping?
could he not have been flapping?
could we not have been flapping?
could you not have been flapping?
could they not have been flapping?