Conjugação do verbo inglês
MAY AUTHENTICATE

Verbo regular: authenticate - authenticated - authenticated

Afirmação

Forma simple	Forma com V-ing
I may authenticate you may authenticate he may authenticate we may authenticate you may authenticate they may authenticate	I may be authenticating you may be authenticating he may be authenticating we may be authenticating you may be authenticating they may be authenticating
Perfeito	Perfeito com V-ing
I may have authenticated you may have authenticated he may have authenticated we may have authenticated you may have authenticated they may have authenticated	I may have been authenticating you may have been authenticating he may have been authenticating we may have been authenticating you may have been authenticating they may have been authenticating

Negação

Forma simple	Forma com V-ing
I mayn't authenticate you mayn't authenticate he mayn't authenticate we mayn't authenticate you mayn't authenticate they mayn't authenticate	I mayn't be authenticating you mayn't be authenticating he mayn't be authenticating we mayn't be authenticating you mayn't be authenticating they mayn't be authenticating
Perfeito	Perfeito com V-ing
I mayn't have authenticated you mayn't have authenticated he mayn't have authenticated we mayn't have authenticated you mayn't have authenticated they mayn't have authenticated	I mayn't have been authenticating you mayn't have been authenticating he mayn't have been authenticating we mayn't have been authenticating you mayn't have been authenticating they mayn't have been authenticating

Forma interrogativa

Forma simple	Forma com V-ing
may I authenticate? may you authenticate? may he authenticate? may we authenticate? may you authenticate? may they authenticate?	may I be authenticating? may you be authenticating? may he be authenticating? may we be authenticating? may you be authenticating? may they be authenticating?
Perfeito	Perfeito com V-ing
may I have authenticated? may you have authenticated? may he have authenticated? may we have authenticated? may you have authenticated? may they have authenticated?	may I have been authenticating? may you have been authenticating? may he have been authenticating? may we have been authenticating? may you have been authenticating? may they have been authenticating?

Forma interro-Negação

Forma simple	Forma com V-ing
mayn't I authenticate? mayn't you authenticate? mayn't he authenticate? mayn't we authenticate? mayn't you authenticate? mayn't they authenticate?	mayn't I be authenticating? mayn't you be authenticating? mayn't he be authenticating? mayn't we be authenticating? mayn't you be authenticating? mayn't they be authenticating?
Perfeito	Perfeito com V-ing
mayn't I have authenticated? mayn't you have authenticated? mayn't he have authenticated? mayn't we have authenticated? mayn't you have authenticated? mayn't they have authenticated?	mayn't I have been authenticating? mayn't you have been authenticating? mayn't he have been authenticating? mayn't we have been authenticating? mayn't you have been authenticating? mayn't they have been authenticating?