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 could not scrum you could not scrum he could not scrum we could not scrum you could not scrum they could not scrum	I could not be scruming you could not be scruming he could not be scruming we could not be scruming you could not be scruming they could not be scruming
Perfect	V-ing perfect
I could not have scrumed you could not have scrumed he could not have scrumed we could not have scrumed you could not have scrumed they could not have scrumed	I could not have been scruming you could not have been scruming he could not have been scruming we could not have been scruming you could not have been scruming they could not 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
could I not scrum? could you not scrum? could he not scrum? could we not scrum? could you not scrum? could they not scrum?	could I not be scruming? could you not be scruming? could he not be scruming? could we not be scruming? could you not be scruming? could they not be scruming?
Perfect	V-ing perfect
could I not have scrumed? could you not have scrumed? could he not have scrumed? could we not have scrumed? could you not have scrumed? could they not have scrumed?	could I not have been scruming? could you not have been scruming? could he not have been scruming? could we not have been scruming? could you not have been scruming? could they not have been scruming?