I must deteriorate you must deteriorate he must deteriorate we must deteriorate you must deteriorate they must deteriorate
Form mit V-ing
I must be deteriorating you must be deteriorating he must be deteriorating we must be deteriorating you must be deteriorating they must be deteriorating
Perfekt
I must have deteriorated you must have deteriorated he must have deteriorated we must have deteriorated you must have deteriorated they must have deteriorated
Perfekt mit V-ing
I must have been deteriorating you must have been deteriorating he must have been deteriorating we must have been deteriorating you must have been deteriorating they must have been deteriorating
Negation
Einfache Form
I mustn't deteriorate you mustn't deteriorate he mustn't deteriorate we mustn't deteriorate you mustn't deteriorate they mustn't deteriorate
Form mit V-ing
I mustn't be deteriorating you mustn't be deteriorating he mustn't be deteriorating we mustn't be deteriorating you mustn't be deteriorating they mustn't be deteriorating
Perfekt
I mustn't have deteriorated you mustn't have deteriorated he mustn't have deteriorated we mustn't have deteriorated you mustn't have deteriorated they mustn't have deteriorated
Perfekt mit V-ing
I mustn't have been deteriorating you mustn't have been deteriorating he mustn't have been deteriorating we mustn't have been deteriorating you mustn't have been deteriorating they mustn't have been deteriorating
Fragende Form
Einfache Form
must I deteriorate? must you deteriorate? must he deteriorate? must we deteriorate? must you deteriorate? must they deteriorate?
Form mit V-ing
must I be deteriorating? must you be deteriorating? must he be deteriorating? must we be deteriorating? must you be deteriorating? must they be deteriorating?
Perfekt
must I have deteriorated? must you have deteriorated? must he have deteriorated? must we have deteriorated? must you have deteriorated? must they have deteriorated?
Perfekt mit V-ing
must I have been deteriorating? must you have been deteriorating? must he have been deteriorating? must we have been deteriorating? must you have been deteriorating? must they have been deteriorating?
Fragende Negation Form
Einfache Form
mustn't I deteriorate? mustn't you deteriorate? mustn't he deteriorate? mustn't we deteriorate? mustn't you deteriorate? mustn't they deteriorate?
Form mit V-ing
mustn't I be deteriorating? mustn't you be deteriorating? mustn't he be deteriorating? mustn't we be deteriorating? mustn't you be deteriorating? mustn't they be deteriorating?
Perfekt
mustn't I have deteriorated? mustn't you have deteriorated? mustn't he have deteriorated? mustn't we have deteriorated? mustn't you have deteriorated? mustn't they have deteriorated?
Perfekt mit V-ing
mustn't I have been deteriorating? mustn't you have been deteriorating? mustn't he have been deteriorating? mustn't we have been deteriorating? mustn't you have been deteriorating? mustn't they have been deteriorating?