English verb conjugation COULD FLOSS

Regular verb: floss - flossed - flossed

Affirmation

Simple form

I could floss
you could floss
she could floss
we could floss
you could floss
they could floss

V-ing form

I could be flossing
you could be flossing
she could be flossing
we could be flossing
you could be flossing
they could be flossing

Perfect

I could have flossed
you could have flossed
she could have flossed
we could have flossed
you could have flossed
they could have flossed

V-ing perfect

I could have been flossing
you could have been flossing
she could have been flossing
we could have been flossing
you could have been flossing
they could have been flossing

Negation

Simple form

I could not floss
you could not floss
she could not floss
we could not floss
you could not floss
they could not floss

V-ing form

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

Perfect

I could not have flossed
you could not have flossed
she could not have flossed
we could not have flossed
you could not have flossed
they could not have flossed

V-ing perfect

I could not have been flossing
you could not have been flossing
she could not have been flossing
we could not have been flossing
you could not have been flossing
they could not have been flossing

Interrogative form

Simple form

could I floss?
could you floss?
could she floss?
could we floss?
could you floss?
could they floss?

V-ing form

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

Perfect

could I have flossed?
could you have flossed?
could she have flossed?
could we have flossed?
could you have flossed?
could they have flossed?

V-ing perfect

could I have been flossing?
could you have been flossing?
could she have been flossing?
could we have been flossing?
could you have been flossing?
could they have been flossing?

Interro-negative form

Simple form

could I not floss?
could you not floss?
could she not floss?
could we not floss?
could you not floss?
could they not floss?

V-ing form

could I not be flossing?
could you not be flossing?
could she not be flossing?
could we not be flossing?
could you not be flossing?
could they not be flossing?

Perfect

could I not have flossed?
could you not have flossed?
could she not have flossed?
could we not have flossed?
could you not have flossed?
could they not have flossed?

V-ing perfect

could I not have been flossing?
could you not have been flossing?
could she not have been flossing?
could we not have been flossing?
could you not have been flossing?
could they not have been flossing?

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