should rack
Verbo regular: rack - racked- racked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd rack
you'd rack
he'd rack
we'd rack
you'd rack
they'd rack 	I'd be racking
you'd be racking
he'd be racking
we'd be racking
you'd be racking
they'd be racking	I should've racked
you should've racked
he should've racked
we should've racked
you should've racked
they should've racked	I should've been racking
you should've been racking
he should've been racking
we should've been racking
you should've been racking
they should've been racking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't rack
you shouldn't rack
he shouldn't rack
we shouldn't rack
you shouldn't rack
they shouldn't rack 	I shouldn't be racking
you shouldn't be racking
he shouldn't be racking
we shouldn't be racking
you shouldn't be racking
they shouldn't be racking	I shouldn't have racked
you shouldn't have racked
he shouldn't have racked
we shouldn't have racked
you shouldn't have racked
they shouldn't have racked	I shouldn't have been racking
you shouldn't have been racking
he shouldn't have been racking
we shouldn't have been racking
you shouldn't have been racking
they shouldn't have been racking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I rack?
should you rack?
should he rack?
should we rack?
should you rack?
should they rack? 	should I be racking?
should you be racking?
should he be racking?
should we be racking?
should you be racking?
should they be racking? 	should I have racked?
should you have racked?
should he have racked?
should we have racked?
should you have racked?
should they have racked? 	should I have been racking?
should you have been racking?
should he have been racking?
should we have been racking?
should you have been racking?
should they have been racking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I rack?
shouldn't you rack?
shouldn't he rack?
shouldn't we rack?
shouldn't you rack?
shouldn't they rack? 	shouldn't I be racking?
shouldn't you be racking?
shouldn't he be racking?
shouldn't we be racking?
shouldn't you be racking?
shouldn't they be racking? 	shouldn't I have racked?
shouldn't you have racked?
shouldn't he have racked?
shouldn't we have racked?
shouldn't you have racked?
shouldn't they have racked? 	shouldn't I have been racking?
shouldn't you have been racking?
shouldn't he have been racking?
shouldn't we have been racking?
shouldn't you have been racking?
shouldn't they have been racking?