English verb conjugation
COULD MORTICE

Regular verb: mortice - morticed - morticed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?