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 mustn't postfix you mustn't postfix he mustn't postfix we mustn't postfix you mustn't postfix they mustn't postfix	I mustn't be postfixing you mustn't be postfixing he mustn't be postfixing we mustn't be postfixing you mustn't be postfixing they mustn't be postfixing
Perfecto	Perfecto con V-ing
I mustn't have postfixed you mustn't have postfixed he mustn't have postfixed we mustn't have postfixed you mustn't have postfixed they mustn't have postfixed	I mustn't have been postfixing you mustn't have been postfixing he mustn't have been postfixing we mustn't have been postfixing you mustn't have been postfixing they mustn't 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
mustn't I postfix? mustn't you postfix? mustn't he postfix? mustn't we postfix? mustn't you postfix? mustn't they postfix?	mustn't I be postfixing? mustn't you be postfixing? mustn't he be postfixing? mustn't we be postfixing? mustn't you be postfixing? mustn't they be postfixing?
Perfecto	Perfecto con V-ing
mustn't I have postfixed? mustn't you have postfixed? mustn't he have postfixed? mustn't we have postfixed? mustn't you have postfixed? mustn't they have postfixed?	mustn't I have been postfixing? mustn't you have been postfixing? mustn't he have been postfixing? mustn't we have been postfixing? mustn't you have been postfixing? mustn't they have been postfixing?