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 couldn't floss
you couldn't floss
she couldn't floss
we couldn't floss
you couldn't floss
they couldn't floss

V-ing form

I couldn't be flossing
you couldn't be flossing
she couldn't be flossing
we couldn't be flossing
you couldn't be flossing
they couldn't be flossing

Perfect

I couldn't have flossed
you couldn't have flossed
she couldn't have flossed
we couldn't have flossed
you couldn't have flossed
they couldn't have flossed

V-ing perfect

I couldn't have been flossing
you couldn't have been flossing
she couldn't have been flossing
we couldn't have been flossing
you couldn't have been flossing
they couldn't 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

couldn't I floss?
couldn't you floss?
couldn't she floss?
couldn't we floss?
couldn't you floss?
couldn't they floss?

V-ing form

couldn't I be flossing?
couldn't you be flossing?
couldn't she be flossing?
couldn't we be flossing?
couldn't you be flossing?
couldn't they be flossing?

Perfect

couldn't I have flossed?
couldn't you have flossed?
couldn't she have flossed?
couldn't we have flossed?
couldn't you have flossed?
couldn't they have flossed?

V-ing perfect

couldn't I have been flossing?
couldn't you have been flossing?
couldn't she have been flossing?
couldn't we have been flossing?
couldn't you have been flossing?
couldn't they have been flossing?

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