can dispute
Regular verb: dispute - disputed- disputed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can dispute
you can dispute
she can dispute
we can dispute
you can dispute
they can dispute 	I can be disputing
you can be disputing
she can be disputing
we can be disputing
you can be disputing
they can be disputing	I can have disputed
you can have disputed
she can have disputed
we can have disputed
you can have disputed
they can have disputed	I can have been disputing
you can have been disputing
she can have been disputing
we can have been disputing
you can have been disputing
they can have been disputing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't dispute
you can't dispute
she can't dispute
we can't dispute
you can't dispute
they can't dispute 	I can't be disputing
you can't be disputing
she can't be disputing
we can't be disputing
you can't be disputing
they can't be disputing	I can't have disputed
you can't have disputed
she can't have disputed
we can't have disputed
you can't have disputed
they can't have disputed	I can't have been disputing
you can't have been disputing
she can't have been disputing
we can't have been disputing
you can't have been disputing
they can't have been disputing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I dispute?
can you dispute?
can she dispute?
can we dispute?
can you dispute?
can they dispute? 	can I be disputing?
can you be disputing?
can she be disputing?
can we be disputing?
can you be disputing?
can they be disputing? 	can I have disputed?
can you have disputed?
can she have disputed?
can we have disputed?
can you have disputed?
can they have disputed? 	can I have been disputing?
can you have been disputing?
can she have been disputing?
can we have been disputing?
can you have been disputing?
can they have been disputing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I dispute?
can't you dispute?
can't she dispute?
can't we dispute?
can't you dispute?
can't they dispute? 	can't I be disputing?
can't you be disputing?
can't she be disputing?
can't we be disputing?
can't you be disputing?
can't they be disputing? 	can't I have disputed?
can't you have disputed?
can't she have disputed?
can't we have disputed?
can't you have disputed?
can't they have disputed? 	can't I have been disputing?
can't you have been disputing?
can't she have been disputing?
can't we have been disputing?
can't you have been disputing?
can't they have been disputing?