may modify
Verbo regular: modify - modified- modified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may modify
you may modify
she may modify
we may modify
you may modify
they may modify 	I may be modifying
you may be modifying
she may be modifying
we may be modifying
you may be modifying
they may be modifying	I may have modified
you may have modified
she may have modified
we may have modified
you may have modified
they may have modified	I may have been modifying
you may have been modifying
she may have been modifying
we may have been modifying
you may have been modifying
they may have been modifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't modify
you mayn't modify
she mayn't modify
we mayn't modify
you mayn't modify
they mayn't modify 	I mayn't be modifying
you mayn't be modifying
she mayn't be modifying
we mayn't be modifying
you mayn't be modifying
they mayn't be modifying	I mayn't have modified
you mayn't have modified
she mayn't have modified
we mayn't have modified
you mayn't have modified
they mayn't have modified	I mayn't have been modifying
you mayn't have been modifying
she mayn't have been modifying
we mayn't have been modifying
you mayn't have been modifying
they mayn't have been modifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I modify?
may you modify?
may she modify?
may we modify?
may you modify?
may they modify? 	may I be modifying?
may you be modifying?
may she be modifying?
may we be modifying?
may you be modifying?
may they be modifying? 	may I have modified?
may you have modified?
may she have modified?
may we have modified?
may you have modified?
may they have modified? 	may I have been modifying?
may you have been modifying?
may she have been modifying?
may we have been modifying?
may you have been modifying?
may they have been modifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I modify?
mayn't you modify?
mayn't she modify?
mayn't we modify?
mayn't you modify?
mayn't they modify? 	mayn't I be modifying?
mayn't you be modifying?
mayn't she be modifying?
mayn't we be modifying?
mayn't you be modifying?
mayn't they be modifying? 	mayn't I have modified?
mayn't you have modified?
mayn't she have modified?
mayn't we have modified?
mayn't you have modified?
mayn't they have modified? 	mayn't I have been modifying?
mayn't you have been modifying?
mayn't she have been modifying?
mayn't we have been modifying?
mayn't you have been modifying?
mayn't they have been modifying?