I could retrace you could retrace she could retrace we could retrace you could retrace they could retrace
Forma con V-ing
I could be retracing you could be retracing she could be retracing we could be retracing you could be retracing they could be retracing
Perfecto
I could have retraced you could have retraced she could have retraced we could have retraced you could have retraced they could have retraced
Perfecto con V-ing
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
Negación
Forma simple
I couldn't retrace you couldn't retrace she couldn't retrace we couldn't retrace you couldn't retrace they couldn't retrace
Forma con V-ing
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
Perfecto
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
Perfecto con V-ing
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 simple
could I retrace? could you retrace? could she retrace? could we retrace? could you retrace? could they retrace?
Forma con V-ing
could I be retracing? could you be retracing? could she be retracing? could we be retracing? could you be retracing? could they be retracing?
Perfecto
could I have retraced? could you have retraced? could she have retraced? could we have retraced? could you have retraced? could they have retraced?
Perfecto con V-ing
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 simple
couldn't I retrace? couldn't you retrace? couldn't she retrace? couldn't we retrace? couldn't you retrace? couldn't they retrace?
Forma con V-ing
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?
Perfecto
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?
Perfecto con V-ing
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?