I can touch you can touch she can touch we can touch you can touch they can touch
Forma con V-ing
I can be touching you can be touching she can be touching we can be touching you can be touching they can be touching
Perfecto
I can have touched you can have touched she can have touched we can have touched you can have touched they can have touched
Perfecto con V-ing
I can have been touching you can have been touching she can have been touching we can have been touching you can have been touching they can have been touching
Negación
Forma simple
I cannot touch you cannot touch she cannot touch we cannot touch you cannot touch they cannot touch
Forma con V-ing
I cannot be touching you cannot be touching she cannot be touching we cannot be touching you cannot be touching they cannot be touching
Perfecto
I cannot have touched you cannot have touched she cannot have touched we cannot have touched you cannot have touched they cannot have touched
Perfecto con V-ing
I cannot have been touching you cannot have been touching she cannot have been touching we cannot have been touching you cannot have been touching they cannot have been touching
Forma interrogativa
Forma simple
can I touch? can you touch? can she touch? can we touch? can you touch? can they touch?
Forma con V-ing
can I be touching? can you be touching? can she be touching? can we be touching? can you be touching? can they be touching?
Perfecto
can I have touched? can you have touched? can she have touched? can we have touched? can you have touched? can they have touched?
Perfecto con V-ing
can I have been touching? can you have been touching? can she have been touching? can we have been touching? can you have been touching? can they have been touching?
Forma interro-negativa
Forma simple
can I not touch? can you not touch? can she not touch? can we not touch? can you not touch? can they not touch?
Forma con V-ing
can I not be touching? can you not be touching? can she not be touching? can we not be touching? can you not be touching? can they not be touching?
Perfecto
can I not have touched? can you not have touched? can she not have touched? can we not have touched? can you not have touched? can they not have touched?
Perfecto con V-ing
can I not have been touching? can you not have been touching? can she not have been touching? can we not have been touching? can you not have been touching? can they not have been touching?