Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could pull up you could pull up she could pull up we could pull up you could pull up they could pull up
V-ing form
I could be pull uping you could be pull uping she could be pull uping we could be pull uping you could be pull uping they could be pull uping
Perfect
I could have pull uped you could have pull uped she could have pull uped we could have pull uped you could have pull uped they could have pull uped
V-ing perfect
I could have been pull uping you could have been pull uping she could have been pull uping we could have been pull uping you could have been pull uping they could have been pull uping
Negation
Simple form
I could not pull up you could not pull up she could not pull up we could not pull up you could not pull up they could not pull up
V-ing form
I could not be pull uping you could not be pull uping she could not be pull uping we could not be pull uping you could not be pull uping they could not be pull uping
Perfect
I could not have pull uped you could not have pull uped she could not have pull uped we could not have pull uped you could not have pull uped they could not have pull uped
V-ing perfect
I could not have been pull uping you could not have been pull uping she could not have been pull uping we could not have been pull uping you could not have been pull uping they could not have been pull uping
Interrogative form
Simple form
could I pull up? could you pull up? could she pull up? could we pull up? could you pull up? could they pull up?
V-ing form
could I be pull uping? could you be pull uping? could she be pull uping? could we be pull uping? could you be pull uping? could they be pull uping?
Perfect
could I have pull uped? could you have pull uped? could she have pull uped? could we have pull uped? could you have pull uped? could they have pull uped?
V-ing perfect
could I have been pull uping? could you have been pull uping? could she have been pull uping? could we have been pull uping? could you have been pull uping? could they have been pull uping?
Interro-negative form
Simple form
could I not pull up? could you not pull up? could she not pull up? could we not pull up? could you not pull up? could they not pull up?
V-ing form
could I not be pull uping? could you not be pull uping? could she not be pull uping? could we not be pull uping? could you not be pull uping? could they not be pull uping?
Perfect
could I not have pull uped? could you not have pull uped? could she not have pull uped? could we not have pull uped? could you not have pull uped? could they not have pull uped?
V-ing perfect
could I not have been pull uping? could you not have been pull uping? could she not have been pull uping? could we not have been pull uping? could you not have been pull uping? could they not have been pull uping?