I can double you can double he can double we can double you can double they can double
Forma con V-ing
I can be doubling you can be doubling he can be doubling we can be doubling you can be doubling they can be doubling
Perfecto
I can have doubled you can have doubled he can have doubled we can have doubled you can have doubled they can have doubled
Perfecto con V-ing
I can have been doubling you can have been doubling he can have been doubling we can have been doubling you can have been doubling they can have been doubling
Negación
Forma simple
I cannot double you cannot double he cannot double we cannot double you cannot double they cannot double
Forma con V-ing
I cannot be doubling you cannot be doubling he cannot be doubling we cannot be doubling you cannot be doubling they cannot be doubling
Perfecto
I cannot have doubled you cannot have doubled he cannot have doubled we cannot have doubled you cannot have doubled they cannot have doubled
Perfecto con V-ing
I cannot have been doubling you cannot have been doubling he cannot have been doubling we cannot have been doubling you cannot have been doubling they cannot have been doubling
Forma interrogativa
Forma simple
can I double? can you double? can he double? can we double? can you double? can they double?
Forma con V-ing
can I be doubling? can you be doubling? can he be doubling? can we be doubling? can you be doubling? can they be doubling?
Perfecto
can I have doubled? can you have doubled? can he have doubled? can we have doubled? can you have doubled? can they have doubled?
Perfecto con V-ing
can I have been doubling? can you have been doubling? can he have been doubling? can we have been doubling? can you have been doubling? can they have been doubling?
Forma interro-negativa
Forma simple
can I not double? can you not double? can he not double? can we not double? can you not double? can they not double?
Forma con V-ing
can I not be doubling? can you not be doubling? can he not be doubling? can we not be doubling? can you not be doubling? can they not be doubling?
Perfecto
can I not have doubled? can you not have doubled? can he not have doubled? can we not have doubled? can you not have doubled? can they not have doubled?
Perfecto con V-ing
can I not have been doubling? can you not have been doubling? can he not have been doubling? can we not have been doubling? can you not have been doubling? can they not have been doubling?