should retrace
Verbo regular: retrace - retraced- retraced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should retrace
you should retrace
he should retrace
we should retrace
you should retrace
they should retrace 	I should be retracing
you should be retracing
he should be retracing
we should be retracing
you should be retracing
they should be retracing	I should have retraced
you should have retraced
he should have retraced
we should have retraced
you should have retraced
they should have retraced	I should have been retracing
you should have been retracing
he should have been retracing
we should have been retracing
you should have been retracing
they should have been retracing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not retrace
you should not retrace
he should not retrace
we should not retrace
you should not retrace
they should not retrace 	I should not be retracing
you should not be retracing
he should not be retracing
we should not be retracing
you should not be retracing
they should not be retracing	I should not have retraced
you should not have retraced
he should not have retraced
we should not have retraced
you should not have retraced
they should not have retraced	I should not have been retracing
you should not have been retracing
he should not have been retracing
we should not have been retracing
you should not have been retracing
they should not have been retracing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I retrace?
should you retrace?
should he retrace?
should we retrace?
should you retrace?
should they retrace? 	should I be retracing?
should you be retracing?
should he be retracing?
should we be retracing?
should you be retracing?
should they be retracing? 	should I have retraced?
should you have retraced?
should he have retraced?
should we have retraced?
should you have retraced?
should they have retraced? 	should I have been retracing?
should you have been retracing?
should he have been retracing?
should we have been retracing?
should you have been retracing?
should they have been retracing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not retrace?
should you not retrace?
should he not retrace?
should we not retrace?
should you not retrace?
should they not retrace? 	should I not be retracing?
should you not be retracing?
should he not be retracing?
should we not be retracing?
should you not be retracing?
should they not be retracing? 	should I not have retraced?
should you not have retraced?
should he not have retraced?
should we not have retraced?
should you not have retraced?
should they not have retraced? 	should I not have been retracing?
should you not have been retracing?
should he not have been retracing?
should we not have been retracing?
should you not have been retracing?
should they not have been retracing?