English verb conjugation
CAN DEVOLVE

Regular verb: devolve - devolved - devolved

Affirmation

Simple form	V-ing form
I can devolve you can devolve he can devolve we can devolve you can devolve they can devolve	I can be devolving you can be devolving he can be devolving we can be devolving you can be devolving they can be devolving
Perfect	V-ing perfect
I can have devolved you can have devolved he can have devolved we can have devolved you can have devolved they can have devolved	I can have been devolving you can have been devolving he can have been devolving we can have been devolving you can have been devolving they can have been devolving

Negation

Simple form	V-ing form
I can't devolve you can't devolve he can't devolve we can't devolve you can't devolve they can't devolve	I can't be devolving you can't be devolving he can't be devolving we can't be devolving you can't be devolving they can't be devolving
Perfect	V-ing perfect
I can't have devolved you can't have devolved he can't have devolved we can't have devolved you can't have devolved they can't have devolved	I can't have been devolving you can't have been devolving he can't have been devolving we can't have been devolving you can't have been devolving they can't have been devolving

Interrogative form

Simple form	V-ing form
can I devolve? can you devolve? can he devolve? can we devolve? can you devolve? can they devolve?	can I be devolving? can you be devolving? can he be devolving? can we be devolving? can you be devolving? can they be devolving?
Perfect	V-ing perfect
can I have devolved? can you have devolved? can he have devolved? can we have devolved? can you have devolved? can they have devolved?	can I have been devolving? can you have been devolving? can he have been devolving? can we have been devolving? can you have been devolving? can they have been devolving?

Interro-negative form

Simple form	V-ing form
can't I devolve? can't you devolve? can't he devolve? can't we devolve? can't you devolve? can't they devolve?	can't I be devolving? can't you be devolving? can't he be devolving? can't we be devolving? can't you be devolving? can't they be devolving?
Perfect	V-ing perfect
can't I have devolved? can't you have devolved? can't he have devolved? can't we have devolved? can't you have devolved? can't they have devolved?	can't I have been devolving? can't you have been devolving? can't he have been devolving? can't we have been devolving? can't you have been devolving? can't they have been devolving?