I must gladden you must gladden she must gladden we must gladden you must gladden they must gladden
Forme en V-ing
I must be gladdening you must be gladdening she must be gladdening we must be gladdening you must be gladdening they must be gladdening
Perfect
I must have gladdened you must have gladdened she must have gladdened we must have gladdened you must have gladdened they must have gladdened
Perfect en V-ing
I must have been gladdening you must have been gladdening she must have been gladdening we must have been gladdening you must have been gladdening they must have been gladdening
Négation
Forme simple
I must not gladden you must not gladden she must not gladden we must not gladden you must not gladden they must not gladden
Forme en V-ing
I must not be gladdening you must not be gladdening she must not be gladdening we must not be gladdening you must not be gladdening they must not be gladdening
Perfect
I must not have gladdened you must not have gladdened she must not have gladdened we must not have gladdened you must not have gladdened they must not have gladdened
Perfect en V-ing
I must not have been gladdening you must not have been gladdening she must not have been gladdening we must not have been gladdening you must not have been gladdening they must not have been gladdening
Forme interrogative
Forme simple
must I gladden? must you gladden? must she gladden? must we gladden? must you gladden? must they gladden?
Forme en V-ing
must I be gladdening? must you be gladdening? must she be gladdening? must we be gladdening? must you be gladdening? must they be gladdening?
Perfect
must I have gladdened? must you have gladdened? must she have gladdened? must we have gladdened? must you have gladdened? must they have gladdened?
Perfect en V-ing
must I have been gladdening? must you have been gladdening? must she have been gladdening? must we have been gladdening? must you have been gladdening? must they have been gladdening?
Forme interro-négative
Forme simple
must I not gladden? must you not gladden? must she not gladden? must we not gladden? must you not gladden? must they not gladden?
Forme en V-ing
must I not be gladdening? must you not be gladdening? must she not be gladdening? must we not be gladdening? must you not be gladdening? must they not be gladdening?
Perfect
must I not have gladdened? must you not have gladdened? must she not have gladdened? must we not have gladdened? must you not have gladdened? must they not have gladdened?
Perfect en V-ing
must I not have been gladdening? must you not have been gladdening? must she not have been gladdening? must we not have been gladdening? must you not have been gladdening? must they not have been gladdening?