should fester
Verbo regular: fester - festered- festered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd fester
you'd fester
he'd fester
we'd fester
you'd fester
they'd fester 	I'd be festering
you'd be festering
he'd be festering
we'd be festering
you'd be festering
they'd be festering	I should've festered
you should've festered
he should've festered
we should've festered
you should've festered
they should've festered	I should've been festering
you should've been festering
he should've been festering
we should've been festering
you should've been festering
they should've been festering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't fester
you shouldn't fester
he shouldn't fester
we shouldn't fester
you shouldn't fester
they shouldn't fester 	I shouldn't be festering
you shouldn't be festering
he shouldn't be festering
we shouldn't be festering
you shouldn't be festering
they shouldn't be festering	I shouldn't have festered
you shouldn't have festered
he shouldn't have festered
we shouldn't have festered
you shouldn't have festered
they shouldn't have festered	I shouldn't have been festering
you shouldn't have been festering
he shouldn't have been festering
we shouldn't have been festering
you shouldn't have been festering
they shouldn't have been festering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I fester?
should you fester?
should he fester?
should we fester?
should you fester?
should they fester? 	should I be festering?
should you be festering?
should he be festering?
should we be festering?
should you be festering?
should they be festering? 	should I have festered?
should you have festered?
should he have festered?
should we have festered?
should you have festered?
should they have festered? 	should I have been festering?
should you have been festering?
should he have been festering?
should we have been festering?
should you have been festering?
should they have been festering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I fester?
shouldn't you fester?
shouldn't he fester?
shouldn't we fester?
shouldn't you fester?
shouldn't they fester? 	shouldn't I be festering?
shouldn't you be festering?
shouldn't he be festering?
shouldn't we be festering?
shouldn't you be festering?
shouldn't they be festering? 	shouldn't I have festered?
shouldn't you have festered?
shouldn't he have festered?
shouldn't we have festered?
shouldn't you have festered?
shouldn't they have festered? 	shouldn't I have been festering?
shouldn't you have been festering?
shouldn't he have been festering?
shouldn't we have been festering?
shouldn't you have been festering?
shouldn't they have been festering?