I must perpetuate you must perpetuate he must perpetuate we must perpetuate you must perpetuate they must perpetuate
Forme en V-ing
I must be perpetuating you must be perpetuating he must be perpetuating we must be perpetuating you must be perpetuating they must be perpetuating
Perfect
I must have perpetuated you must have perpetuated he must have perpetuated we must have perpetuated you must have perpetuated they must have perpetuated
Perfect en V-ing
I must have been perpetuating you must have been perpetuating he must have been perpetuating we must have been perpetuating you must have been perpetuating they must have been perpetuating
Négation
Forme simple
I mustn't perpetuate you mustn't perpetuate he mustn't perpetuate we mustn't perpetuate you mustn't perpetuate they mustn't perpetuate
Forme en V-ing
I mustn't be perpetuating you mustn't be perpetuating he mustn't be perpetuating we mustn't be perpetuating you mustn't be perpetuating they mustn't be perpetuating
Perfect
I mustn't have perpetuated you mustn't have perpetuated he mustn't have perpetuated we mustn't have perpetuated you mustn't have perpetuated they mustn't have perpetuated
Perfect en V-ing
I mustn't have been perpetuating you mustn't have been perpetuating he mustn't have been perpetuating we mustn't have been perpetuating you mustn't have been perpetuating they mustn't have been perpetuating
Forme interrogative
Forme simple
must I perpetuate? must you perpetuate? must he perpetuate? must we perpetuate? must you perpetuate? must they perpetuate?
Forme en V-ing
must I be perpetuating? must you be perpetuating? must he be perpetuating? must we be perpetuating? must you be perpetuating? must they be perpetuating?
Perfect
must I have perpetuated? must you have perpetuated? must he have perpetuated? must we have perpetuated? must you have perpetuated? must they have perpetuated?
Perfect en V-ing
must I have been perpetuating? must you have been perpetuating? must he have been perpetuating? must we have been perpetuating? must you have been perpetuating? must they have been perpetuating?
Forme interro-négative
Forme simple
mustn't I perpetuate? mustn't you perpetuate? mustn't he perpetuate? mustn't we perpetuate? mustn't you perpetuate? mustn't they perpetuate?
Forme en V-ing
mustn't I be perpetuating? mustn't you be perpetuating? mustn't he be perpetuating? mustn't we be perpetuating? mustn't you be perpetuating? mustn't they be perpetuating?
Perfect
mustn't I have perpetuated? mustn't you have perpetuated? mustn't he have perpetuated? mustn't we have perpetuated? mustn't you have perpetuated? mustn't they have perpetuated?
Perfect en V-ing
mustn't I have been perpetuating? mustn't you have been perpetuating? mustn't he have been perpetuating? mustn't we have been perpetuating? mustn't you have been perpetuating? mustn't they have been perpetuating?