English verb conjugation COULD COIF

Regular verb: coif - coifed - coifed

Affirmation

Simple form

I could coif
you could coif
he could coif
we could coif
you could coif
they could coif

V-ing form

I could be coifing
you could be coifing
he could be coifing
we could be coifing
you could be coifing
they could be coifing

Perfect

I could have coifed
you could have coifed
he could have coifed
we could have coifed
you could have coifed
they could have coifed

V-ing perfect

I could have been coifing
you could have been coifing
he could have been coifing
we could have been coifing
you could have been coifing
they could have been coifing

Negation

Simple form

I couldn't coif
you couldn't coif
he couldn't coif
we couldn't coif
you couldn't coif
they couldn't coif

V-ing form

I couldn't be coifing
you couldn't be coifing
he couldn't be coifing
we couldn't be coifing
you couldn't be coifing
they couldn't be coifing

Perfect

I couldn't have coifed
you couldn't have coifed
he couldn't have coifed
we couldn't have coifed
you couldn't have coifed
they couldn't have coifed

V-ing perfect

I couldn't have been coifing
you couldn't have been coifing
he couldn't have been coifing
we couldn't have been coifing
you couldn't have been coifing
they couldn't have been coifing

Interrogative form

Simple form

could I coif?
could you coif?
could he coif?
could we coif?
could you coif?
could they coif?

V-ing form

could I be coifing?
could you be coifing?
could he be coifing?
could we be coifing?
could you be coifing?
could they be coifing?

Perfect

could I have coifed?
could you have coifed?
could he have coifed?
could we have coifed?
could you have coifed?
could they have coifed?

V-ing perfect

could I have been coifing?
could you have been coifing?
could he have been coifing?
could we have been coifing?
could you have been coifing?
could they have been coifing?

Interro-negative form

Simple form

couldn't I coif?
couldn't you coif?
couldn't he coif?
couldn't we coif?
couldn't you coif?
couldn't they coif?

V-ing form

couldn't I be coifing?
couldn't you be coifing?
couldn't he be coifing?
couldn't we be coifing?
couldn't you be coifing?
couldn't they be coifing?

Perfect

couldn't I have coifed?
couldn't you have coifed?
couldn't he have coifed?
couldn't we have coifed?
couldn't you have coifed?
couldn't they have coifed?

V-ing perfect

couldn't I have been coifing?
couldn't you have been coifing?
couldn't he have been coifing?
couldn't we have been coifing?
couldn't you have been coifing?
couldn't they have been coifing?

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