should proffer
Verbo regular: proffer - proffered- proffered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd proffer
you'd proffer
he'd proffer
we'd proffer
you'd proffer
they'd proffer 	I'd be proffering
you'd be proffering
he'd be proffering
we'd be proffering
you'd be proffering
they'd be proffering	I should've proffered
you should've proffered
he should've proffered
we should've proffered
you should've proffered
they should've proffered	I should've been proffering
you should've been proffering
he should've been proffering
we should've been proffering
you should've been proffering
they should've been proffering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't proffer
you shouldn't proffer
he shouldn't proffer
we shouldn't proffer
you shouldn't proffer
they shouldn't proffer 	I shouldn't be proffering
you shouldn't be proffering
he shouldn't be proffering
we shouldn't be proffering
you shouldn't be proffering
they shouldn't be proffering	I shouldn't have proffered
you shouldn't have proffered
he shouldn't have proffered
we shouldn't have proffered
you shouldn't have proffered
they shouldn't have proffered	I shouldn't have been proffering
you shouldn't have been proffering
he shouldn't have been proffering
we shouldn't have been proffering
you shouldn't have been proffering
they shouldn't have been proffering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I proffer?
should you proffer?
should he proffer?
should we proffer?
should you proffer?
should they proffer? 	should I be proffering?
should you be proffering?
should he be proffering?
should we be proffering?
should you be proffering?
should they be proffering? 	should I have proffered?
should you have proffered?
should he have proffered?
should we have proffered?
should you have proffered?
should they have proffered? 	should I have been proffering?
should you have been proffering?
should he have been proffering?
should we have been proffering?
should you have been proffering?
should they have been proffering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I proffer?
shouldn't you proffer?
shouldn't he proffer?
shouldn't we proffer?
shouldn't you proffer?
shouldn't they proffer? 	shouldn't I be proffering?
shouldn't you be proffering?
shouldn't he be proffering?
shouldn't we be proffering?
shouldn't you be proffering?
shouldn't they be proffering? 	shouldn't I have proffered?
shouldn't you have proffered?
shouldn't he have proffered?
shouldn't we have proffered?
shouldn't you have proffered?
shouldn't they have proffered? 	shouldn't I have been proffering?
shouldn't you have been proffering?
shouldn't he have been proffering?
shouldn't we have been proffering?
shouldn't you have been proffering?
shouldn't they have been proffering?