English verb conjugation
CAN DEVOICE

Regular verb: devoice - devoiced - devoiced

Affirmation

Simple form	V-ing form
I can devoice you can devoice he can devoice we can devoice you can devoice they can devoice	I can be devoicing you can be devoicing he can be devoicing we can be devoicing you can be devoicing they can be devoicing
Perfect	V-ing perfect
I can have devoiced you can have devoiced he can have devoiced we can have devoiced you can have devoiced they can have devoiced	I can have been devoicing you can have been devoicing he can have been devoicing we can have been devoicing you can have been devoicing they can have been devoicing

Negation

Simple form	V-ing form
I can't devoice you can't devoice he can't devoice we can't devoice you can't devoice they can't devoice	I can't be devoicing you can't be devoicing he can't be devoicing we can't be devoicing you can't be devoicing they can't be devoicing
Perfect	V-ing perfect
I can't have devoiced you can't have devoiced he can't have devoiced we can't have devoiced you can't have devoiced they can't have devoiced	I can't have been devoicing you can't have been devoicing he can't have been devoicing we can't have been devoicing you can't have been devoicing they can't have been devoicing

Interrogative form

Simple form	V-ing form
can I devoice? can you devoice? can he devoice? can we devoice? can you devoice? can they devoice?	can I be devoicing? can you be devoicing? can he be devoicing? can we be devoicing? can you be devoicing? can they be devoicing?
Perfect	V-ing perfect
can I have devoiced? can you have devoiced? can he have devoiced? can we have devoiced? can you have devoiced? can they have devoiced?	can I have been devoicing? can you have been devoicing? can he have been devoicing? can we have been devoicing? can you have been devoicing? can they have been devoicing?

Interro-negative form

Simple form	V-ing form
can't I devoice? can't you devoice? can't he devoice? can't we devoice? can't you devoice? can't they devoice?	can't I be devoicing? can't you be devoicing? can't he be devoicing? can't we be devoicing? can't you be devoicing? can't they be devoicing?
Perfect	V-ing perfect
can't I have devoiced? can't you have devoiced? can't he have devoiced? can't we have devoiced? can't you have devoiced? can't they have devoiced?	can't I have been devoicing? can't you have been devoicing? can't he have been devoicing? can't we have been devoicing? can't you have been devoicing? can't they have been devoicing?