may campaign
Verbo regular: campaign - campaigned- campaigned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may campaign
you may campaign
he may campaign
we may campaign
you may campaign
they may campaign 	I may be campaigning
you may be campaigning
he may be campaigning
we may be campaigning
you may be campaigning
they may be campaigning	I may have campaigned
you may have campaigned
he may have campaigned
we may have campaigned
you may have campaigned
they may have campaigned	I may have been campaigning
you may have been campaigning
he may have been campaigning
we may have been campaigning
you may have been campaigning
they may have been campaigning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not campaign
you may not campaign
he may not campaign
we may not campaign
you may not campaign
they may not campaign 	I may not be campaigning
you may not be campaigning
he may not be campaigning
we may not be campaigning
you may not be campaigning
they may not be campaigning	I may not have campaigned
you may not have campaigned
he may not have campaigned
we may not have campaigned
you may not have campaigned
they may not have campaigned	I may not have been campaigning
you may not have been campaigning
he may not have been campaigning
we may not have been campaigning
you may not have been campaigning
they may not have been campaigning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I campaign?
may you campaign?
may he campaign?
may we campaign?
may you campaign?
may they campaign? 	may I be campaigning?
may you be campaigning?
may he be campaigning?
may we be campaigning?
may you be campaigning?
may they be campaigning? 	may I have campaigned?
may you have campaigned?
may he have campaigned?
may we have campaigned?
may you have campaigned?
may they have campaigned? 	may I have been campaigning?
may you have been campaigning?
may he have been campaigning?
may we have been campaigning?
may you have been campaigning?
may they have been campaigning? 	

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