I must haven you must haven she must haven we must haven you must haven they must haven
Forme en V-ing
I must be havening you must be havening she must be havening we must be havening you must be havening they must be havening
Perfect
I must have havened you must have havened she must have havened we must have havened you must have havened they must have havened
Perfect en V-ing
I must have been havening you must have been havening she must have been havening we must have been havening you must have been havening they must have been havening
Négation
Forme simple
I mustn't haven you mustn't haven she mustn't haven we mustn't haven you mustn't haven they mustn't haven
Forme en V-ing
I mustn't be havening you mustn't be havening she mustn't be havening we mustn't be havening you mustn't be havening they mustn't be havening
Perfect
I mustn't have havened you mustn't have havened she mustn't have havened we mustn't have havened you mustn't have havened they mustn't have havened
Perfect en V-ing
I mustn't have been havening you mustn't have been havening she mustn't have been havening we mustn't have been havening you mustn't have been havening they mustn't have been havening
Forme interrogative
Forme simple
must I haven? must you haven? must she haven? must we haven? must you haven? must they haven?
Forme en V-ing
must I be havening? must you be havening? must she be havening? must we be havening? must you be havening? must they be havening?
Perfect
must I have havened? must you have havened? must she have havened? must we have havened? must you have havened? must they have havened?
Perfect en V-ing
must I have been havening? must you have been havening? must she have been havening? must we have been havening? must you have been havening? must they have been havening?
Forme interro-négative
Forme simple
mustn't I haven? mustn't you haven? mustn't she haven? mustn't we haven? mustn't you haven? mustn't they haven?
Forme en V-ing
mustn't I be havening? mustn't you be havening? mustn't she be havening? mustn't we be havening? mustn't you be havening? mustn't they be havening?
Perfect
mustn't I have havened? mustn't you have havened? mustn't she have havened? mustn't we have havened? mustn't you have havened? mustn't they have havened?
Perfect en V-ing
mustn't I have been havening? mustn't you have been havening? mustn't she have been havening? mustn't we have been havening? mustn't you have been havening? mustn't they have been havening?