should retread
Verbo regular: retread - retreaded- retreaded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should retread
you should retread
she should retread
we should retread
you should retread
they should retread 	I should be retreading
you should be retreading
she should be retreading
we should be retreading
you should be retreading
they should be retreading	I should have retreaded
you should have retreaded
she should have retreaded
we should have retreaded
you should have retreaded
they should have retreaded	I should have been retreading
you should have been retreading
she should have been retreading
we should have been retreading
you should have been retreading
they should have been retreading	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not retread
you should not retread
she should not retread
we should not retread
you should not retread
they should not retread 	I should not be retreading
you should not be retreading
she should not be retreading
we should not be retreading
you should not be retreading
they should not be retreading	I should not have retreaded
you should not have retreaded
she should not have retreaded
we should not have retreaded
you should not have retreaded
they should not have retreaded	I should not have been retreading
you should not have been retreading
she should not have been retreading
we should not have been retreading
you should not have been retreading
they should not have been retreading	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I retread?
should you retread?
should she retread?
should we retread?
should you retread?
should they retread? 	should I be retreading?
should you be retreading?
should she be retreading?
should we be retreading?
should you be retreading?
should they be retreading? 	should I have retreaded?
should you have retreaded?
should she 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 she 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 	
should I not retread?
should you not retread?
should she not retread?
should we not retread?
should you not retread?
should they not retread? 	should I not be retreading?
should you not be retreading?
should she not be retreading?
should we not be retreading?
should you not be retreading?
should they not be retreading? 	should I not have retreaded?
should you not have retreaded?
should she not have retreaded?
should we not have retreaded?
should you not have retreaded?
should they not have retreaded? 	should I not have been retreading?
should you not have been retreading?
should she not have been retreading?
should we not have been retreading?
should you not have been retreading?
should they not have been retreading?