can disvalue
Regular verb: disvalue - disvalued- disvalued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can disvalue
you can disvalue
he can disvalue
we can disvalue
you can disvalue
they can disvalue 	I can be disvaluing
you can be disvaluing
he can be disvaluing
we can be disvaluing
you can be disvaluing
they can be disvaluing	I can have disvalued
you can have disvalued
he can have disvalued
we can have disvalued
you can have disvalued
they can have disvalued	I can have been disvaluing
you can have been disvaluing
he can have been disvaluing
we can have been disvaluing
you can have been disvaluing
they can have been disvaluing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't disvalue
you can't disvalue
he can't disvalue
we can't disvalue
you can't disvalue
they can't disvalue 	I can't be disvaluing
you can't be disvaluing
he can't be disvaluing
we can't be disvaluing
you can't be disvaluing
they can't be disvaluing	I can't have disvalued
you can't have disvalued
he can't have disvalued
we can't have disvalued
you can't have disvalued
they can't have disvalued	I can't have been disvaluing
you can't have been disvaluing
he can't have been disvaluing
we can't have been disvaluing
you can't have been disvaluing
they can't have been disvaluing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I disvalue?
can you disvalue?
can he disvalue?
can we disvalue?
can you disvalue?
can they disvalue? 	can I be disvaluing?
can you be disvaluing?
can he be disvaluing?
can we be disvaluing?
can you be disvaluing?
can they be disvaluing? 	can I have disvalued?
can you have disvalued?
can he have disvalued?
can we have disvalued?
can you have disvalued?
can they have disvalued? 	can I have been disvaluing?
can you have been disvaluing?
can he have been disvaluing?
can we have been disvaluing?
can you have been disvaluing?
can they have been disvaluing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I disvalue?
can't you disvalue?
can't he disvalue?
can't we disvalue?
can't you disvalue?
can't they disvalue? 	can't I be disvaluing?
can't you be disvaluing?
can't he be disvaluing?
can't we be disvaluing?
can't you be disvaluing?
can't they be disvaluing? 	can't I have disvalued?
can't you have disvalued?
can't he have disvalued?
can't we have disvalued?
can't you have disvalued?
can't they have disvalued? 	can't I have been disvaluing?
can't you have been disvaluing?
can't he have been disvaluing?
can't we have been disvaluing?
can't you have been disvaluing?
can't they have been disvaluing?