English verb conjugation
CAN DISSERVE

Regular verb: disserve - disserved - disserved

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I can't disserve you can't disserve he can't disserve we can't disserve you can't disserve they can't disserve	I can't be disserving you can't be disserving he can't be disserving we can't be disserving you can't be disserving they can't be disserving
Perfect	V-ing perfect
I can't have disserved you can't have disserved he can't have disserved we can't have disserved you can't have disserved they can't have disserved	I can't have been disserving you can't have been disserving he can't have been disserving we can't have been disserving you can't have been disserving they can't have been disserving

Interrogative form

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