I can campaign you can campaign she can campaign we can campaign you can campaign they can campaign
Forma con V-ing
I can be campaigning you can be campaigning she can be campaigning we can be campaigning you can be campaigning they can be campaigning
Perfecto
I can have campaigned you can have campaigned she 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 she can have been campaigning we can have been campaigning you can have been campaigning they can have been campaigning
Negación
Forma simple
I can't campaign you can't campaign she can't campaign we can't campaign you can't campaign they can't campaign
Forma con V-ing
I can't be campaigning you can't be campaigning she can't be campaigning we can't be campaigning you can't be campaigning they can't be campaigning
Perfecto
I can't have campaigned you can't have campaigned she can't have campaigned we can't have campaigned you can't have campaigned they can't have campaigned
Perfecto con V-ing
I can't have been campaigning you can't have been campaigning she can't have been campaigning we can't have been campaigning you can't have been campaigning they can't have been campaigning
Forma interrogativa
Forma simple
can I campaign? can you campaign? can she campaign? can we campaign? can you campaign? can they campaign?
Forma con V-ing
can I be campaigning? can you be campaigning? can she be campaigning? can we be campaigning? can you be campaigning? can they be campaigning?
Perfecto
can I have campaigned? can you have campaigned? can she 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 she have been campaigning? can we have been campaigning? can you have been campaigning? can they have been campaigning?
Forma interro-negativa
Forma simple
can't I campaign? can't you campaign? can't she campaign? can't we campaign? can't you campaign? can't they campaign?
Forma con V-ing
can't I be campaigning? can't you be campaigning? can't she be campaigning? can't we be campaigning? can't you be campaigning? can't they be campaigning?
Perfecto
can't I have campaigned? can't you have campaigned? can't she have campaigned? can't we have campaigned? can't you have campaigned? can't they have campaigned?
Perfecto con V-ing
can't I have been campaigning? can't you have been campaigning? can't she have been campaigning? can't we have been campaigning? can't you have been campaigning? can't they have been campaigning?