English verb conjugation COULD FLAP

Regular verb: flap - flapped - flapped

Affirmation

Simple form

I could flap
you could flap
she could flap
we could flap
you could flap
they could flap

V-ing form

I could be flapping
you could be flapping
she could be flapping
we could be flapping
you could be flapping
they could be flapping

Perfect

I could have flapped
you could have flapped
she could have flapped
we could have flapped
you could have flapped
they could have flapped

V-ing perfect

I could have been flapping
you could have been flapping
she 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 flap
you could not flap
she could not flap
we could not flap
you could not flap
they could not flap

V-ing form

I could not be flapping
you could not be flapping
she could not be flapping
we could not be flapping
you could not be flapping
they could not be flapping

Perfect

I could not have flapped
you could not have flapped
she 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 flapping
you could not have been flapping
she 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 she flap?
could we flap?
could you flap?
could they flap?

V-ing form

could I be flapping?
could you be flapping?
could she be flapping?
could we be flapping?
could you be flapping?
could they be flapping?

Perfect

could I have flapped?
could you have flapped?
could she 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 she 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 she 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 she 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 she 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 she not have been flapping?
could we not have been flapping?
could you not have been flapping?
could they not have been flapping?

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