English verb conjugation
COULD SCRUM

Regular verb: scrum - scrumed - scrumed

Affirmation

Simple form	V-ing form
I could scrum you could scrum he could scrum we could scrum you could scrum they could scrum	I could be scruming you could be scruming he could be scruming we could be scruming you could be scruming they could be scruming
Perfect	V-ing perfect
I could have scrumed you could have scrumed he could have scrumed we could have scrumed you could have scrumed they could have scrumed	I could have been scruming you could have been scruming he could have been scruming we could have been scruming you could have been scruming they could have been scruming

Negation

Simple form	V-ing form
I couldn't scrum you couldn't scrum he couldn't scrum we couldn't scrum you couldn't scrum they couldn't scrum	I couldn't be scruming you couldn't be scruming he couldn't be scruming we couldn't be scruming you couldn't be scruming they couldn't be scruming
Perfect	V-ing perfect
I couldn't have scrumed you couldn't have scrumed he couldn't have scrumed we couldn't have scrumed you couldn't have scrumed they couldn't have scrumed	I couldn't have been scruming you couldn't have been scruming he couldn't have been scruming we couldn't have been scruming you couldn't have been scruming they couldn't have been scruming

Interrogative form

Simple form	V-ing form
could I scrum? could you scrum? could he scrum? could we scrum? could you scrum? could they scrum?	could I be scruming? could you be scruming? could he be scruming? could we be scruming? could you be scruming? could they be scruming?
Perfect	V-ing perfect
could I have scrumed? could you have scrumed? could he have scrumed? could we have scrumed? could you have scrumed? could they have scrumed?	could I have been scruming? could you have been scruming? could he have been scruming? could we have been scruming? could you have been scruming? could they have been scruming?

Interro-negative form

Simple form	V-ing form
couldn't I scrum? couldn't you scrum? couldn't he scrum? couldn't we scrum? couldn't you scrum? couldn't they scrum?	couldn't I be scruming? couldn't you be scruming? couldn't he be scruming? couldn't we be scruming? couldn't you be scruming? couldn't they be scruming?
Perfect	V-ing perfect
couldn't I have scrumed? couldn't you have scrumed? couldn't he have scrumed? couldn't we have scrumed? couldn't you have scrumed? couldn't they have scrumed?	couldn't I have been scruming? couldn't you have been scruming? couldn't he have been scruming? couldn't we have been scruming? couldn't you have been scruming? couldn't they have been scruming?