I can campaign you can campaign he can campaign we can campaign you can campaign they can campaign
Forma con V-ing
I can be campaigning you can be campaigning he can be campaigning we can be campaigning you can be campaigning they can be campaigning
Perfecto
I can have campaigned you can have campaigned he can have campaigned we can have campaigned you can have campaigned they can have campaigned
Perfecto con V-ing
I can have been campaigning you can have been campaigning he can have been campaigning we can have been campaigning you can have been campaigning they can have been campaigning
Negación
Forma simple
I cannot campaign you cannot campaign he cannot campaign we cannot campaign you cannot campaign they cannot campaign
Forma con V-ing
I cannot be campaigning you cannot be campaigning he cannot be campaigning we cannot be campaigning you cannot be campaigning they cannot be campaigning
Perfecto
I cannot have campaigned you cannot have campaigned he cannot have campaigned we cannot have campaigned you cannot have campaigned they cannot have campaigned
Perfecto con V-ing
I cannot have been campaigning you cannot have been campaigning he cannot have been campaigning we cannot have been campaigning you cannot have been campaigning they cannot have been campaigning
Forma interrogativa
Forma simple
can I campaign? can you campaign? can he campaign? can we campaign? can you campaign? can they campaign?
Forma con V-ing
can I be campaigning? can you be campaigning? can he be campaigning? can we be campaigning? can you be campaigning? can they be campaigning?
Perfecto
can I have campaigned? can you have campaigned? can he have campaigned? can we have campaigned? can you have campaigned? can they have campaigned?
Perfecto con V-ing
can I have been campaigning? can you have been campaigning? can he have been campaigning? can we have been campaigning? can you have been campaigning? can they have been campaigning?
Forma interro-negativa
Forma simple
can I not campaign? can you not campaign? can he not campaign? can we not campaign? can you not campaign? can they not campaign?
Forma con V-ing
can I not be campaigning? can you not be campaigning? can he not be campaigning? can we not be campaigning? can you not be campaigning? can they not be campaigning?
Perfecto
can I not have campaigned? can you not have campaigned? can he not have campaigned? can we not have campaigned? can you not have campaigned? can they not have campaigned?
Perfecto con V-ing
can I not have been campaigning? can you not have been campaigning? can he not have been campaigning? can we not have been campaigning? can you not have been campaigning? can they not have been campaigning?