should counterweight
Regular verb: counterweight - counterweighted- counterweighted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd counterweight
you'd counterweight
he'd counterweight
we'd counterweight
you'd counterweight
they'd counterweight 	I'd be counterweighting
you'd be counterweighting
he'd be counterweighting
we'd be counterweighting
you'd be counterweighting
they'd be counterweighting	I should've counterweighted
you should've counterweighted
he should've counterweighted
we should've counterweighted
you should've counterweighted
they should've counterweighted	I should've been counterweighting
you should've been counterweighting
he should've been counterweighting
we should've been counterweighting
you should've been counterweighting
they should've been counterweighting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't counterweight
you shouldn't counterweight
he shouldn't counterweight
we shouldn't counterweight
you shouldn't counterweight
they shouldn't counterweight 	I shouldn't be counterweighting
you shouldn't be counterweighting
he shouldn't be counterweighting
we shouldn't be counterweighting
you shouldn't be counterweighting
they shouldn't be counterweighting	I shouldn't have counterweighted
you shouldn't have counterweighted
he shouldn't have counterweighted
we shouldn't have counterweighted
you shouldn't have counterweighted
they shouldn't have counterweighted	I shouldn't have been counterweighting
you shouldn't have been counterweighting
he shouldn't have been counterweighting
we shouldn't have been counterweighting
you shouldn't have been counterweighting
they shouldn't have been counterweighting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I counterweight?
should you counterweight?
should he counterweight?
should we counterweight?
should you counterweight?
should they counterweight? 	should I be counterweighting?
should you be counterweighting?
should he be counterweighting?
should we be counterweighting?
should you be counterweighting?
should they be counterweighting? 	should I have counterweighted?
should you have counterweighted?
should he have counterweighted?
should we have counterweighted?
should you have counterweighted?
should they have counterweighted? 	should I have been counterweighting?
should you have been counterweighting?
should he have been counterweighting?
should we have been counterweighting?
should you have been counterweighting?
should they have been counterweighting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I counterweight?
shouldn't you counterweight?
shouldn't he counterweight?
shouldn't we counterweight?
shouldn't you counterweight?
shouldn't they counterweight? 	shouldn't I be counterweighting?
shouldn't you be counterweighting?
shouldn't he be counterweighting?
shouldn't we be counterweighting?
shouldn't you be counterweighting?
shouldn't they be counterweighting? 	shouldn't I have counterweighted?
shouldn't you have counterweighted?
shouldn't he have counterweighted?
shouldn't we have counterweighted?
shouldn't you have counterweighted?
shouldn't they have counterweighted? 	shouldn't I have been counterweighting?
shouldn't you have been counterweighting?
shouldn't he have been counterweighting?
shouldn't we have been counterweighting?
shouldn't you have been counterweighting?
shouldn't they have been counterweighting?