English verb conjugation
COULD ROLL UP

Regular verb: roll up - roll uped - roll uped

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could roll up you could roll up she could roll up we could roll up you could roll up they could roll up	I could be roll uping you could be roll uping she could be roll uping we could be roll uping you could be roll uping they could be roll uping
Perfect	V-ing perfect
I could have roll uped you could have roll uped she could have roll uped we could have roll uped you could have roll uped they could have roll uped	I could have been roll uping you could have been roll uping she could have been roll uping we could have been roll uping you could have been roll uping they could have been roll uping

Negation

Simple form	V-ing form
I could not roll up you could not roll up she could not roll up we could not roll up you could not roll up they could not roll up	I could not be roll uping you could not be roll uping she could not be roll uping we could not be roll uping you could not be roll uping they could not be roll uping
Perfect	V-ing perfect
I could not have roll uped you could not have roll uped she could not have roll uped we could not have roll uped you could not have roll uped they could not have roll uped	I could not have been roll uping you could not have been roll uping she could not have been roll uping we could not have been roll uping you could not have been roll uping they could not have been roll uping

Interrogative form

Simple form	V-ing form
could I roll up? could you roll up? could she roll up? could we roll up? could you roll up? could they roll up?	could I be roll uping? could you be roll uping? could she be roll uping? could we be roll uping? could you be roll uping? could they be roll uping?
Perfect	V-ing perfect
could I have roll uped? could you have roll uped? could she have roll uped? could we have roll uped? could you have roll uped? could they have roll uped?	could I have been roll uping? could you have been roll uping? could she have been roll uping? could we have been roll uping? could you have been roll uping? could they have been roll uping?

Interro-negative form

Simple form	V-ing form
could I not roll up? could you not roll up? could she not roll up? could we not roll up? could you not roll up? could they not roll up?	could I not be roll uping? could you not be roll uping? could she not be roll uping? could we not be roll uping? could you not be roll uping? could they not be roll uping?
Perfect	V-ing perfect
could I not have roll uped? could you not have roll uped? could she not have roll uped? could we not have roll uped? could you not have roll uped? could they not have roll uped?	could I not have been roll uping? could you not have been roll uping? could she not have been roll uping? could we not have been roll uping? could you not have been roll uping? could they not have been roll uping?