can campaign
Verbo regular: campaign - campaigned- campaigned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can campaign
you can campaign
he can campaign
we can campaign
you can campaign
they can campaign 	I can be campaigning
you can be campaigning
he can be campaigning
we can be campaigning
you can be campaigning
they can be campaigning	I can have campaigned
you can have campaigned
he can have campaigned
we can have campaigned
you can have campaigned
they can have campaigned	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot campaign
you cannot campaign
he cannot campaign
we cannot campaign
you cannot campaign
they cannot campaign 	I cannot be campaigning
you cannot be campaigning
he cannot be campaigning
we cannot be campaigning
you cannot be campaigning
they cannot be campaigning	I cannot have campaigned
you cannot have campaigned
he cannot have campaigned
we cannot have campaigned
you cannot have campaigned
they cannot have campaigned	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I campaign?
can you campaign?
can he campaign?
can we campaign?
can you campaign?
can they campaign? 	can I be campaigning?
can you be campaigning?
can he be campaigning?
can we be campaigning?
can you be campaigning?
can they be campaigning? 	can I have campaigned?
can you have campaigned?
can he have campaigned?
can we have campaigned?
can you have campaigned?
can they have campaigned? 	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not campaign?
can you not campaign?
can he not campaign?
can we not campaign?
can you not campaign?
can they not campaign? 	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? 	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? 	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?