Conjugación del verbo inglés
MUST POSTFIX

Verbo regular: postfix - postfixed - postfixed

Afirmación

Forma simple	Forma con V-ing
I must postfix you must postfix he must postfix we must postfix you must postfix they must postfix	I must be postfixing you must be postfixing he must be postfixing we must be postfixing you must be postfixing they must be postfixing
Perfecto	Perfecto con V-ing
I must have postfixed you must have postfixed he must have postfixed we must have postfixed you must have postfixed they must have postfixed	I must have been postfixing you must have been postfixing he must have been postfixing we must have been postfixing you must have been postfixing they must have been postfixing

Negación

Forma simple	Forma con V-ing
I must not postfix you must not postfix he must not postfix we must not postfix you must not postfix they must not postfix	I must not be postfixing you must not be postfixing he must not be postfixing we must not be postfixing you must not be postfixing they must not be postfixing
Perfecto	Perfecto con V-ing
I must not have postfixed you must not have postfixed he must not have postfixed we must not have postfixed you must not have postfixed they must not have postfixed	I must not have been postfixing you must not have been postfixing he must not have been postfixing we must not have been postfixing you must not have been postfixing they must not have been postfixing

Forma interrogativa

Forma simple	Forma con V-ing
must I postfix? must you postfix? must he postfix? must we postfix? must you postfix? must they postfix?	must I be postfixing? must you be postfixing? must he be postfixing? must we be postfixing? must you be postfixing? must they be postfixing?
Perfecto	Perfecto con V-ing
must I have postfixed? must you have postfixed? must he have postfixed? must we have postfixed? must you have postfixed? must they have postfixed?	must I have been postfixing? must you have been postfixing? must he have been postfixing? must we have been postfixing? must you have been postfixing? must they have been postfixing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not postfix? must you not postfix? must he not postfix? must we not postfix? must you not postfix? must they not postfix?	must I not be postfixing? must you not be postfixing? must he not be postfixing? must we not be postfixing? must you not be postfixing? must they not be postfixing?
Perfecto	Perfecto con V-ing
must I not have postfixed? must you not have postfixed? must he not have postfixed? must we not have postfixed? must you not have postfixed? must they not have postfixed?	must I not have been postfixing? must you not have been postfixing? must he not have been postfixing? must we not have been postfixing? must you not have been postfixing? must they not have been postfixing?