I can just you can just he can just we can just you can just they can just
Forma con V-ing
I can be justing you can be justing he can be justing we can be justing you can be justing they can be justing
Perfecto
I can have justed you can have justed he can have justed we can have justed you can have justed they can have justed
Perfecto con V-ing
I can have been justing you can have been justing he can have been justing we can have been justing you can have been justing they can have been justing
Negación
Forma simple
I can't just you can't just he can't just we can't just you can't just they can't just
Forma con V-ing
I can't be justing you can't be justing he can't be justing we can't be justing you can't be justing they can't be justing
Perfecto
I can't have justed you can't have justed he can't have justed we can't have justed you can't have justed they can't have justed
Perfecto con V-ing
I can't have been justing you can't have been justing he can't have been justing we can't have been justing you can't have been justing they can't have been justing
Forma interrogativa
Forma simple
can I just? can you just? can he just? can we just? can you just? can they just?
Forma con V-ing
can I be justing? can you be justing? can he be justing? can we be justing? can you be justing? can they be justing?
Perfecto
can I have justed? can you have justed? can he have justed? can we have justed? can you have justed? can they have justed?
Perfecto con V-ing
can I have been justing? can you have been justing? can he have been justing? can we have been justing? can you have been justing? can they have been justing?
Forma interro-negativa
Forma simple
can't I just? can't you just? can't he just? can't we just? can't you just? can't they just?
Forma con V-ing
can't I be justing? can't you be justing? can't he be justing? can't we be justing? can't you be justing? can't they be justing?
Perfecto
can't I have justed? can't you have justed? can't he have justed? can't we have justed? can't you have justed? can't they have justed?
Perfecto con V-ing
can't I have been justing? can't you have been justing? can't he have been justing? can't we have been justing? can't you have been justing? can't they have been justing?