should plumb
Regular verb: plumb - plumbed- plumbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd plumb
you'd plumb
she'd plumb
we'd plumb
you'd plumb
they'd plumb 	I'd be plumbing
you'd be plumbing
she'd be plumbing
we'd be plumbing
you'd be plumbing
they'd be plumbing	I should've plumbed
you should've plumbed
she should've plumbed
we should've plumbed
you should've plumbed
they should've plumbed	I should've been plumbing
you should've been plumbing
she should've been plumbing
we should've been plumbing
you should've been plumbing
they should've been plumbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't plumb
you shouldn't plumb
she shouldn't plumb
we shouldn't plumb
you shouldn't plumb
they shouldn't plumb 	I shouldn't be plumbing
you shouldn't be plumbing
she shouldn't be plumbing
we shouldn't be plumbing
you shouldn't be plumbing
they shouldn't be plumbing	I shouldn't have plumbed
you shouldn't have plumbed
she shouldn't have plumbed
we shouldn't have plumbed
you shouldn't have plumbed
they shouldn't have plumbed	I shouldn't have been plumbing
you shouldn't have been plumbing
she shouldn't have been plumbing
we shouldn't have been plumbing
you shouldn't have been plumbing
they shouldn't have been plumbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I plumb?
should you plumb?
should she plumb?
should we plumb?
should you plumb?
should they plumb? 	should I be plumbing?
should you be plumbing?
should she be plumbing?
should we be plumbing?
should you be plumbing?
should they be plumbing? 	should I have plumbed?
should you have plumbed?
should she have plumbed?
should we have plumbed?
should you have plumbed?
should they have plumbed? 	should I have been plumbing?
should you have been plumbing?
should she have been plumbing?
should we have been plumbing?
should you have been plumbing?
should they have been plumbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I plumb?
shouldn't you plumb?
shouldn't she plumb?
shouldn't we plumb?
shouldn't you plumb?
shouldn't they plumb? 	shouldn't I be plumbing?
shouldn't you be plumbing?
shouldn't she be plumbing?
shouldn't we be plumbing?
shouldn't you be plumbing?
shouldn't they be plumbing? 	shouldn't I have plumbed?
shouldn't you have plumbed?
shouldn't she have plumbed?
shouldn't we have plumbed?
shouldn't you have plumbed?
shouldn't they have plumbed? 	shouldn't I have been plumbing?
shouldn't you have been plumbing?
shouldn't she have been plumbing?
shouldn't we have been plumbing?
shouldn't you have been plumbing?
shouldn't they have been plumbing?