I can butt you can butt she can butt we can butt you can butt they can butt
Forma con V-ing
I can be butting you can be butting she can be butting we can be butting you can be butting they can be butting
Perfecto
I can have butted you can have butted she can have butted we can have butted you can have butted they can have butted
Perfecto con V-ing
I can have been butting you can have been butting she can have been butting we can have been butting you can have been butting they can have been butting
Negación
Forma simple
I cannot butt you cannot butt she cannot butt we cannot butt you cannot butt they cannot butt
Forma con V-ing
I cannot be butting you cannot be butting she cannot be butting we cannot be butting you cannot be butting they cannot be butting
Perfecto
I cannot have butted you cannot have butted she cannot have butted we cannot have butted you cannot have butted they cannot have butted
Perfecto con V-ing
I cannot have been butting you cannot have been butting she cannot have been butting we cannot have been butting you cannot have been butting they cannot have been butting
Forma interrogativa
Forma simple
can I butt? can you butt? can she butt? can we butt? can you butt? can they butt?
Forma con V-ing
can I be butting? can you be butting? can she be butting? can we be butting? can you be butting? can they be butting?
Perfecto
can I have butted? can you have butted? can she have butted? can we have butted? can you have butted? can they have butted?
Perfecto con V-ing
can I have been butting? can you have been butting? can she have been butting? can we have been butting? can you have been butting? can they have been butting?
Forma interro-negativa
Forma simple
can I not butt? can you not butt? can she not butt? can we not butt? can you not butt? can they not butt?
Forma con V-ing
can I not be butting? can you not be butting? can she not be butting? can we not be butting? can you not be butting? can they not be butting?
Perfecto
can I not have butted? can you not have butted? can she not have butted? can we not have butted? can you not have butted? can they not have butted?
Perfecto con V-ing
can I not have been butting? can you not have been butting? can she not have been butting? can we not have been butting? can you not have been butting? can they not have been butting?