can disserve
Regular verb: disserve - disserved- disserved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can disserve
you can disserve
he can disserve
we can disserve
you can disserve
they can disserve 	I can be disserving
you can be disserving
he can be disserving
we can be disserving
you can be disserving
they can be disserving	I can have disserved
you can have disserved
he can have disserved
we can have disserved
you can have disserved
they can have disserved	I can have been disserving
you can have been disserving
he can have been disserving
we can have been disserving
you can have been disserving
they can have been disserving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot disserve
you cannot disserve
he cannot disserve
we cannot disserve
you cannot disserve
they cannot disserve 	I cannot be disserving
you cannot be disserving
he cannot be disserving
we cannot be disserving
you cannot be disserving
they cannot be disserving	I cannot have disserved
you cannot have disserved
he cannot have disserved
we cannot have disserved
you cannot have disserved
they cannot have disserved	I cannot have been disserving
you cannot have been disserving
he cannot have been disserving
we cannot have been disserving
you cannot have been disserving
they cannot have been disserving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I disserve?
can you disserve?
can he disserve?
can we disserve?
can you disserve?
can they disserve? 	can I be disserving?
can you be disserving?
can he be disserving?
can we be disserving?
can you be disserving?
can they be disserving? 	can I have disserved?
can you have disserved?
can he have disserved?
can we have disserved?
can you have disserved?
can they have disserved? 	can I have been disserving?
can you have been disserving?
can he have been disserving?
can we have been disserving?
can you have been disserving?
can they have been disserving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not disserve?
can you not disserve?
can he not disserve?
can we not disserve?
can you not disserve?
can they not disserve? 	can I not be disserving?
can you not be disserving?
can he not be disserving?
can we not be disserving?
can you not be disserving?
can they not be disserving? 	can I not have disserved?
can you not have disserved?
can he not have disserved?
can we not have disserved?
can you not have disserved?
can they not have disserved? 	can I not have been disserving?
can you not have been disserving?
can he not have been disserving?
can we not have been disserving?
can you not have been disserving?
can they not have been disserving?