Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I'd dam up you'd dam up he'd dam up we'd dam up you'd dam up they'd dam up
V-ing form
I'd be dam uping you'd be dam uping he'd be dam uping we'd be dam uping you'd be dam uping they'd be dam uping
Perfect
I should've dam uped you should've dam uped he should've dam uped we should've dam uped you should've dam uped they should've dam uped
V-ing perfect
I should've been dam uping you should've been dam uping he should've been dam uping we should've been dam uping you should've been dam uping they should've been dam uping
Negation
Simple form
I shouldn't dam up you shouldn't dam up he shouldn't dam up we shouldn't dam up you shouldn't dam up they shouldn't dam up
V-ing form
I shouldn't be dam uping you shouldn't be dam uping he shouldn't be dam uping we shouldn't be dam uping you shouldn't be dam uping they shouldn't be dam uping
Perfect
I shouldn't have dam uped you shouldn't have dam uped he shouldn't have dam uped we shouldn't have dam uped you shouldn't have dam uped they shouldn't have dam uped
V-ing perfect
I shouldn't have been dam uping you shouldn't have been dam uping he shouldn't have been dam uping we shouldn't have been dam uping you shouldn't have been dam uping they shouldn't have been dam uping
Interrogative form
Simple form
should I dam up? should you dam up? should he dam up? should we dam up? should you dam up? should they dam up?
V-ing form
should I be dam uping? should you be dam uping? should he be dam uping? should we be dam uping? should you be dam uping? should they be dam uping?
Perfect
should I have dam uped? should you have dam uped? should he have dam uped? should we have dam uped? should you have dam uped? should they have dam uped?
V-ing perfect
should I have been dam uping? should you have been dam uping? should he have been dam uping? should we have been dam uping? should you have been dam uping? should they have been dam uping?
Interro-negative form
Simple form
shouldn't I dam up? shouldn't you dam up? shouldn't he dam up? shouldn't we dam up? shouldn't you dam up? shouldn't they dam up?
V-ing form
shouldn't I be dam uping? shouldn't you be dam uping? shouldn't he be dam uping? shouldn't we be dam uping? shouldn't you be dam uping? shouldn't they be dam uping?
Perfect
shouldn't I have dam uped? shouldn't you have dam uped? shouldn't he have dam uped? shouldn't we have dam uped? shouldn't you have dam uped? shouldn't they have dam uped?
V-ing perfect
shouldn't I have been dam uping? shouldn't you have been dam uping? shouldn't he have been dam uping? shouldn't we have been dam uping? shouldn't you have been dam uping? shouldn't they have been dam uping?