Conjugação do verbo inglês
MUST AUTHENTICATE

Verbo regular: authenticate - authenticated - authenticated

Afirmação

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

Negação

Forma simple	Forma com V-ing
I must not authenticate you must not authenticate she must not authenticate we must not authenticate you must not authenticate they must not authenticate	I must not be authenticating you must not be authenticating she must not be authenticating we must not be authenticating you must not be authenticating they must not be authenticating
Perfeito	Perfeito com V-ing
I must not have authenticated you must not have authenticated she must not have authenticated we must not have authenticated you must not have authenticated they must not have authenticated	I must not have been authenticating you must not have been authenticating she must not have been authenticating we must not have been authenticating you must not have been authenticating they must not have been authenticating

Forma interrogativa

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

Forma interro-Negação

Forma simple	Forma com V-ing
must I not authenticate? must you not authenticate? must she not authenticate? must we not authenticate? must you not authenticate? must they not authenticate?	must I not be authenticating? must you not be authenticating? must she not be authenticating? must we not be authenticating? must you not be authenticating? must they not be authenticating?
Perfeito	Perfeito com V-ing
must I not have authenticated? must you not have authenticated? must she not have authenticated? must we not have authenticated? must you not have authenticated? must they not have authenticated?	must I not have been authenticating? must you not have been authenticating? must she not have been authenticating? must we not have been authenticating? must you not have been authenticating? must they not have been authenticating?