should background
Verbo regular: background - backgrounded- backgrounded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd background
you'd background
he'd background
we'd background
you'd background
they'd background 	I'd be backgrounding
you'd be backgrounding
he'd be backgrounding
we'd be backgrounding
you'd be backgrounding
they'd be backgrounding	I should've backgrounded
you should've backgrounded
he should've backgrounded
we should've backgrounded
you should've backgrounded
they should've backgrounded	I should've been backgrounding
you should've been backgrounding
he should've been backgrounding
we should've been backgrounding
you should've been backgrounding
they should've been backgrounding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't background
you shouldn't background
he shouldn't background
we shouldn't background
you shouldn't background
they shouldn't background 	I shouldn't be backgrounding
you shouldn't be backgrounding
he shouldn't be backgrounding
we shouldn't be backgrounding
you shouldn't be backgrounding
they shouldn't be backgrounding	I shouldn't have backgrounded
you shouldn't have backgrounded
he shouldn't have backgrounded
we shouldn't have backgrounded
you shouldn't have backgrounded
they shouldn't have backgrounded	I shouldn't have been backgrounding
you shouldn't have been backgrounding
he shouldn't have been backgrounding
we shouldn't have been backgrounding
you shouldn't have been backgrounding
they shouldn't have been backgrounding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I background?
should you background?
should he background?
should we background?
should you background?
should they background? 	should I be backgrounding?
should you be backgrounding?
should he be backgrounding?
should we be backgrounding?
should you be backgrounding?
should they be backgrounding? 	should I have backgrounded?
should you have backgrounded?
should he have backgrounded?
should we have backgrounded?
should you have backgrounded?
should they have backgrounded? 	should I have been backgrounding?
should you have been backgrounding?
should he have been backgrounding?
should we have been backgrounding?
should you have been backgrounding?
should they have been backgrounding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I background?
shouldn't you background?
shouldn't he background?
shouldn't we background?
shouldn't you background?
shouldn't they background? 	shouldn't I be backgrounding?
shouldn't you be backgrounding?
shouldn't he be backgrounding?
shouldn't we be backgrounding?
shouldn't you be backgrounding?
shouldn't they be backgrounding? 	shouldn't I have backgrounded?
shouldn't you have backgrounded?
shouldn't he have backgrounded?
shouldn't we have backgrounded?
shouldn't you have backgrounded?
shouldn't they have backgrounded? 	shouldn't I have been backgrounding?
shouldn't you have been backgrounding?
shouldn't he have been backgrounding?
shouldn't we have been backgrounding?
shouldn't you have been backgrounding?
shouldn't they have been backgrounding?