should retread
Verbo regular: retread - retreaded- retreaded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd retread
you'd retread
he'd retread
we'd retread
you'd retread
they'd retread 	I'd be retreading
you'd be retreading
he'd be retreading
we'd be retreading
you'd be retreading
they'd be retreading	I should've retreaded
you should've retreaded
he should've retreaded
we should've retreaded
you should've retreaded
they should've retreaded	I should've been retreading
you should've been retreading
he should've been retreading
we should've been retreading
you should've been retreading
they should've been retreading	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't retread
you shouldn't retread
he shouldn't retread
we shouldn't retread
you shouldn't retread
they shouldn't retread 	I shouldn't be retreading
you shouldn't be retreading
he shouldn't be retreading
we shouldn't be retreading
you shouldn't be retreading
they shouldn't be retreading	I shouldn't have retreaded
you shouldn't have retreaded
he shouldn't have retreaded
we shouldn't have retreaded
you shouldn't have retreaded
they shouldn't have retreaded	I shouldn't have been retreading
you shouldn't have been retreading
he shouldn't have been retreading
we shouldn't have been retreading
you shouldn't have been retreading
they shouldn't have been retreading	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I retread?
should you retread?
should he retread?
should we retread?
should you retread?
should they retread? 	should I be retreading?
should you be retreading?
should he be retreading?
should we be retreading?
should you be retreading?
should they be retreading? 	should I have retreaded?
should you have retreaded?
should he have retreaded?
should we have retreaded?
should you have retreaded?
should they have retreaded? 	should I have been retreading?
should you have been retreading?
should he have been retreading?
should we have been retreading?
should you have been retreading?
should they have been retreading? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I retread?
shouldn't you retread?
shouldn't he retread?
shouldn't we retread?
shouldn't you retread?
shouldn't they retread? 	shouldn't I be retreading?
shouldn't you be retreading?
shouldn't he be retreading?
shouldn't we be retreading?
shouldn't you be retreading?
shouldn't they be retreading? 	shouldn't I have retreaded?
shouldn't you have retreaded?
shouldn't he have retreaded?
shouldn't we have retreaded?
shouldn't you have retreaded?
shouldn't they have retreaded? 	shouldn't I have been retreading?
shouldn't you have been retreading?
shouldn't he have been retreading?
shouldn't we have been retreading?
shouldn't you have been retreading?
shouldn't they have been retreading?