English verb conjugation
CAN DEVOICE

Regular verb: devoice - devoiced - devoiced

Affirmation

Simple form	V-ing form
I can devoice you can devoice she can devoice we can devoice you can devoice they can devoice	I can be devoicing you can be devoicing she 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 she 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 she 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 cannot devoice you cannot devoice she cannot devoice we cannot devoice you cannot devoice they cannot devoice	I cannot be devoicing you cannot be devoicing she cannot be devoicing we cannot be devoicing you cannot be devoicing they cannot be devoicing
Perfect	V-ing perfect
I cannot have devoiced you cannot have devoiced she cannot have devoiced we cannot have devoiced you cannot have devoiced they cannot have devoiced	I cannot have been devoicing you cannot have been devoicing she cannot have been devoicing we cannot have been devoicing you cannot have been devoicing they cannot have been devoicing

Interrogative form

Simple form	V-ing form
can I devoice? can you devoice? can she devoice? can we devoice? can you devoice? can they devoice?	can I be devoicing? can you be devoicing? can she 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 she 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 she 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 I not devoice? can you not devoice? can she not devoice? can we not devoice? can you not devoice? can they not devoice?	can I not be devoicing? can you not be devoicing? can she not be devoicing? can we not be devoicing? can you not be devoicing? can they not be devoicing?
Perfect	V-ing perfect
can I not have devoiced? can you not have devoiced? can she not have devoiced? can we not have devoiced? can you not have devoiced? can they not have devoiced?	can I not have been devoicing? can you not have been devoicing? can she not have been devoicing? can we not have been devoicing? can you not have been devoicing? can they not have been devoicing?