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