I can retrace you can retrace he can retrace we can retrace you can retrace they can retrace
Forma con V-ing
I can be retracing you can be retracing he can be retracing we can be retracing you can be retracing they can be retracing
Perfecto
I can have retraced you can have retraced he can have retraced we can have retraced you can have retraced they can have retraced
Perfecto con V-ing
I can have been retracing you can have been retracing he can have been retracing we can have been retracing you can have been retracing they can have been retracing
Negación
Forma simple
I can't retrace you can't retrace he can't retrace we can't retrace you can't retrace they can't retrace
Forma con V-ing
I can't be retracing you can't be retracing he can't be retracing we can't be retracing you can't be retracing they can't be retracing
Perfecto
I can't have retraced you can't have retraced he can't have retraced we can't have retraced you can't have retraced they can't have retraced
Perfecto con V-ing
I can't have been retracing you can't have been retracing he can't have been retracing we can't have been retracing you can't have been retracing they can't have been retracing
Forma interrogativa
Forma simple
can I retrace? can you retrace? can he retrace? can we retrace? can you retrace? can they retrace?
Forma con V-ing
can I be retracing? can you be retracing? can he be retracing? can we be retracing? can you be retracing? can they be retracing?
Perfecto
can I have retraced? can you have retraced? can he have retraced? can we have retraced? can you have retraced? can they have retraced?
Perfecto con V-ing
can I have been retracing? can you have been retracing? can he have been retracing? can we have been retracing? can you have been retracing? can they have been retracing?
Forma interro-negativa
Forma simple
can't I retrace? can't you retrace? can't he retrace? can't we retrace? can't you retrace? can't they retrace?
Forma con V-ing
can't I be retracing? can't you be retracing? can't he be retracing? can't we be retracing? can't you be retracing? can't they be retracing?
Perfecto
can't I have retraced? can't you have retraced? can't he have retraced? can't we have retraced? can't you have retraced? can't they have retraced?
Perfecto con V-ing
can't I have been retracing? can't you have been retracing? can't he have been retracing? can't we have been retracing? can't you have been retracing? can't they have been retracing?