should cancel
Verbo regular: cancel - cancelled- cancelled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd cancel
you'd cancel
he'd cancel
we'd cancel
you'd cancel
they'd cancel 	I'd be cancelling
you'd be cancelling
he'd be cancelling
we'd be cancelling
you'd be cancelling
they'd be cancelling	I should've cancelled
you should've cancelled
he should've cancelled
we should've cancelled
you should've cancelled
they should've cancelled	I should've been cancelling
you should've been cancelling
he should've been cancelling
we should've been cancelling
you should've been cancelling
they should've been cancelling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't cancel
you shouldn't cancel
he shouldn't cancel
we shouldn't cancel
you shouldn't cancel
they shouldn't cancel 	I shouldn't be cancelling
you shouldn't be cancelling
he shouldn't be cancelling
we shouldn't be cancelling
you shouldn't be cancelling
they shouldn't be cancelling	I shouldn't have cancelled
you shouldn't have cancelled
he shouldn't have cancelled
we shouldn't have cancelled
you shouldn't have cancelled
they shouldn't have cancelled	I shouldn't have been cancelling
you shouldn't have been cancelling
he shouldn't have been cancelling
we shouldn't have been cancelling
you shouldn't have been cancelling
they shouldn't have been cancelling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I cancel?
should you cancel?
should he cancel?
should we cancel?
should you cancel?
should they cancel? 	should I be cancelling?
should you be cancelling?
should he be cancelling?
should we be cancelling?
should you be cancelling?
should they be cancelling? 	should I have cancelled?
should you have cancelled?
should he have cancelled?
should we have cancelled?
should you have cancelled?
should they have cancelled? 	should I have been cancelling?
should you have been cancelling?
should he have been cancelling?
should we have been cancelling?
should you have been cancelling?
should they have been cancelling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I cancel?
shouldn't you cancel?
shouldn't he cancel?
shouldn't we cancel?
shouldn't you cancel?
shouldn't they cancel? 	shouldn't I be cancelling?
shouldn't you be cancelling?
shouldn't he be cancelling?
shouldn't we be cancelling?
shouldn't you be cancelling?
shouldn't they be cancelling? 	shouldn't I have cancelled?
shouldn't you have cancelled?
shouldn't he have cancelled?
shouldn't we have cancelled?
shouldn't you have cancelled?
shouldn't they have cancelled? 	shouldn't I have been cancelling?
shouldn't you have been cancelling?
shouldn't he have been cancelling?
shouldn't we have been cancelling?
shouldn't you have been cancelling?
shouldn't they have been cancelling?