could mortice
Regular verb: mortice - morticed- morticed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mortice
you could mortice
he could mortice
we could mortice
you could mortice
they could mortice 	I could be morticing
you could be morticing
he could be morticing
we could be morticing
you could be morticing
they could be morticing	I could have morticed
you could have morticed
he could have morticed
we could have morticed
you could have morticed
they could have morticed	I could have been morticing
you could have been morticing
he could have been morticing
we could have been morticing
you could have been morticing
they could have been morticing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mortice
you couldn't mortice
he couldn't mortice
we couldn't mortice
you couldn't mortice
they couldn't mortice 	I couldn't be morticing
you couldn't be morticing
he couldn't be morticing
we couldn't be morticing
you couldn't be morticing
they couldn't be morticing	I couldn't have morticed
you couldn't have morticed
he couldn't have morticed
we couldn't have morticed
you couldn't have morticed
they couldn't have morticed	I couldn't have been morticing
you couldn't have been morticing
he couldn't have been morticing
we couldn't have been morticing
you couldn't have been morticing
they couldn't have been morticing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I mortice?
could you mortice?
could he mortice?
could we mortice?
could you mortice?
could they mortice? 	could I be morticing?
could you be morticing?
could he be morticing?
could we be morticing?
could you be morticing?
could they be morticing? 	could I have morticed?
could you have morticed?
could he have morticed?
could we have morticed?
could you have morticed?
could they have morticed? 	could I have been morticing?
could you have been morticing?
could he have been morticing?
could we have been morticing?
could you have been morticing?
could they have been morticing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mortice?
couldn't you mortice?
couldn't he mortice?
couldn't we mortice?
couldn't you mortice?
couldn't they mortice? 	couldn't I be morticing?
couldn't you be morticing?
couldn't he be morticing?
couldn't we be morticing?
couldn't you be morticing?
couldn't they be morticing? 	couldn't I have morticed?
couldn't you have morticed?
couldn't he have morticed?
couldn't we have morticed?
couldn't you have morticed?
couldn't they have morticed? 	couldn't I have been morticing?
couldn't you have been morticing?
couldn't he have been morticing?
couldn't we have been morticing?
couldn't you have been morticing?
couldn't they have been morticing?