Conjugação do verbo inglês
MUST UNDERGO

Verbo irregular: undergo - underwent - undergone

Afirmação

Forma simple	Forma com V-ing
I must undergo you must undergo she must undergo we must undergo you must undergo they must undergo	I must be undergoing you must be undergoing she must be undergoing we must be undergoing you must be undergoing they must be undergoing
Perfeito	Perfeito com V-ing
I must have undergone you must have undergone she must have undergone we must have undergone you must have undergone they must have undergone	I must have been undergoing you must have been undergoing she must have been undergoing we must have been undergoing you must have been undergoing they must have been undergoing

Negação

Forma simple	Forma com V-ing
I must not undergo you must not undergo she must not undergo we must not undergo you must not undergo they must not undergo	I must not be undergoing you must not be undergoing she must not be undergoing we must not be undergoing you must not be undergoing they must not be undergoing
Perfeito	Perfeito com V-ing
I must not have undergone you must not have undergone she must not have undergone we must not have undergone you must not have undergone they must not have undergone	I must not have been undergoing you must not have been undergoing she must not have been undergoing we must not have been undergoing you must not have been undergoing they must not have been undergoing

Forma interrogativa

Forma simple	Forma com V-ing
must I undergo? must you undergo? must she undergo? must we undergo? must you undergo? must they undergo?	must I be undergoing? must you be undergoing? must she be undergoing? must we be undergoing? must you be undergoing? must they be undergoing?
Perfeito	Perfeito com V-ing
must I have undergone? must you have undergone? must she have undergone? must we have undergone? must you have undergone? must they have undergone?	must I have been undergoing? must you have been undergoing? must she have been undergoing? must we have been undergoing? must you have been undergoing? must they have been undergoing?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not undergo? must you not undergo? must she not undergo? must we not undergo? must you not undergo? must they not undergo?	must I not be undergoing? must you not be undergoing? must she not be undergoing? must we not be undergoing? must you not be undergoing? must they not be undergoing?
Perfeito	Perfeito com V-ing
must I not have undergone? must you not have undergone? must she not have undergone? must we not have undergone? must you not have undergone? must they not have undergone?	must I not have been undergoing? must you not have been undergoing? must she not have been undergoing? must we not have been undergoing? must you not have been undergoing? must they not have been undergoing?