English verb conjugation COULD UNVOICE

Regular verb: unvoice - unvoiced - unvoiced

Affirmation

Simple form

I could unvoice
you could unvoice
he could unvoice
we could unvoice
you could unvoice
they could unvoice

V-ing form

I could be unvoicing
you could be unvoicing
he could be unvoicing
we could be unvoicing
you could be unvoicing
they could be unvoicing

Perfect

I could have unvoiced
you could have unvoiced
he could have unvoiced
we could have unvoiced
you could have unvoiced
they could have unvoiced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I unvoice?
could you unvoice?
could he unvoice?
could we unvoice?
could you unvoice?
could they unvoice?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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