could retrace
Verbo regolare: retrace - retraced- retraced

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could retrace
you could retrace
she could retrace
we could retrace
you could retrace
they could retrace 	I could be retracing
you could be retracing
she could be retracing
we could be retracing
you could be retracing
they could be retracing	I could have retraced
you could have retraced
she could have retraced
we could have retraced
you could have retraced
they could have retraced	I could have been retracing
you could have been retracing
she could have been retracing
we could have been retracing
you could have been retracing
they could have been retracing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't retrace
you couldn't retrace
she couldn't retrace
we couldn't retrace
you couldn't retrace
they couldn't retrace 	I couldn't be retracing
you couldn't be retracing
she couldn't be retracing
we couldn't be retracing
you couldn't be retracing
they couldn't be retracing	I couldn't have retraced
you couldn't have retraced
she couldn't have retraced
we couldn't have retraced
you couldn't have retraced
they couldn't have retraced	I couldn't have been retracing
you couldn't have been retracing
she couldn't have been retracing
we couldn't have been retracing
you couldn't have been retracing
they couldn't have been retracing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I retrace?
could you retrace?
could she retrace?
could we retrace?
could you retrace?
could they retrace? 	could I be retracing?
could you be retracing?
could she be retracing?
could we be retracing?
could you be retracing?
could they be retracing? 	could I have retraced?
could you have retraced?
could she have retraced?
could we have retraced?
could you have retraced?
could they have retraced? 	could I have been retracing?
could you have been retracing?
could she have been retracing?
could we have been retracing?
could you have been retracing?
could they have been retracing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I retrace?
couldn't you retrace?
couldn't she retrace?
couldn't we retrace?
couldn't you retrace?
couldn't they retrace? 	couldn't I be retracing?
couldn't you be retracing?
couldn't she be retracing?
couldn't we be retracing?
couldn't you be retracing?
couldn't they be retracing? 	couldn't I have retraced?
couldn't you have retraced?
couldn't she have retraced?
couldn't we have retraced?
couldn't you have retraced?
couldn't they have retraced? 	couldn't I have been retracing?
couldn't you have been retracing?
couldn't she have been retracing?
couldn't we have been retracing?
couldn't you have been retracing?
couldn't they have been retracing?