I must serve you must serve she must serve we must serve you must serve they must serve
Form mit V-ing
I must be serving you must be serving she must be serving we must be serving you must be serving they must be serving
Perfekt
I must have served you must have served she must have served we must have served you must have served they must have served
Perfekt mit V-ing
I must have been serving you must have been serving she must have been serving we must have been serving you must have been serving they must have been serving
Negation
Einfache Form
I mustn't serve you mustn't serve she mustn't serve we mustn't serve you mustn't serve they mustn't serve
Form mit V-ing
I mustn't be serving you mustn't be serving she mustn't be serving we mustn't be serving you mustn't be serving they mustn't be serving
Perfekt
I mustn't have served you mustn't have served she mustn't have served we mustn't have served you mustn't have served they mustn't have served
Perfekt mit V-ing
I mustn't have been serving you mustn't have been serving she mustn't have been serving we mustn't have been serving you mustn't have been serving they mustn't have been serving
Fragende Form
Einfache Form
must I serve? must you serve? must she serve? must we serve? must you serve? must they serve?
Form mit V-ing
must I be serving? must you be serving? must she be serving? must we be serving? must you be serving? must they be serving?
Perfekt
must I have served? must you have served? must she have served? must we have served? must you have served? must they have served?
Perfekt mit V-ing
must I have been serving? must you have been serving? must she have been serving? must we have been serving? must you have been serving? must they have been serving?
Fragende Negation Form
Einfache Form
mustn't I serve? mustn't you serve? mustn't she serve? mustn't we serve? mustn't you serve? mustn't they serve?
Form mit V-ing
mustn't I be serving? mustn't you be serving? mustn't she be serving? mustn't we be serving? mustn't you be serving? mustn't they be serving?
Perfekt
mustn't I have served? mustn't you have served? mustn't she have served? mustn't we have served? mustn't you have served? mustn't they have served?
Perfekt mit V-ing
mustn't I have been serving? mustn't you have been serving? mustn't she have been serving? mustn't we have been serving? mustn't you have been serving? mustn't they have been serving?