should return
Verbo regular: return - returned- returned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd return
you'd return
she'd return
we'd return
you'd return
they'd return 	I'd be returning
you'd be returning
she'd be returning
we'd be returning
you'd be returning
they'd be returning	I should've returned
you should've returned
she should've returned
we should've returned
you should've returned
they should've returned	I should've been returning
you should've been returning
she should've been returning
we should've been returning
you should've been returning
they should've been returning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't return
you shouldn't return
she shouldn't return
we shouldn't return
you shouldn't return
they shouldn't return 	I shouldn't be returning
you shouldn't be returning
she shouldn't be returning
we shouldn't be returning
you shouldn't be returning
they shouldn't be returning	I shouldn't have returned
you shouldn't have returned
she shouldn't have returned
we shouldn't have returned
you shouldn't have returned
they shouldn't have returned	I shouldn't have been returning
you shouldn't have been returning
she shouldn't have been returning
we shouldn't have been returning
you shouldn't have been returning
they shouldn't have been returning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I return?
should you return?
should she return?
should we return?
should you return?
should they return? 	should I be returning?
should you be returning?
should she be returning?
should we be returning?
should you be returning?
should they be returning? 	should I have returned?
should you have returned?
should she have returned?
should we have returned?
should you have returned?
should they have returned? 	should I have been returning?
should you have been returning?
should she have been returning?
should we have been returning?
should you have been returning?
should they have been returning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I return?
shouldn't you return?
shouldn't she return?
shouldn't we return?
shouldn't you return?
shouldn't they return? 	shouldn't I be returning?
shouldn't you be returning?
shouldn't she be returning?
shouldn't we be returning?
shouldn't you be returning?
shouldn't they be returning? 	shouldn't I have returned?
shouldn't you have returned?
shouldn't she have returned?
shouldn't we have returned?
shouldn't you have returned?
shouldn't they have returned? 	shouldn't I have been returning?
shouldn't you have been returning?
shouldn't she have been returning?
shouldn't we have been returning?
shouldn't you have been returning?
shouldn't they have been returning?