I must ripen you must ripen she must ripen we must ripen you must ripen they must ripen
Forme en V-ing
I must be ripening you must be ripening she must be ripening we must be ripening you must be ripening they must be ripening
Perfect
I must have ripened you must have ripened she must have ripened we must have ripened you must have ripened they must have ripened
Perfect en V-ing
I must have been ripening you must have been ripening she must have been ripening we must have been ripening you must have been ripening they must have been ripening
Négation
Forme simple
I must not ripen you must not ripen she must not ripen we must not ripen you must not ripen they must not ripen
Forme en V-ing
I must not be ripening you must not be ripening she must not be ripening we must not be ripening you must not be ripening they must not be ripening
Perfect
I must not have ripened you must not have ripened she must not have ripened we must not have ripened you must not have ripened they must not have ripened
Perfect en V-ing
I must not have been ripening you must not have been ripening she must not have been ripening we must not have been ripening you must not have been ripening they must not have been ripening
Forme interrogative
Forme simple
must I ripen? must you ripen? must she ripen? must we ripen? must you ripen? must they ripen?
Forme en V-ing
must I be ripening? must you be ripening? must she be ripening? must we be ripening? must you be ripening? must they be ripening?
Perfect
must I have ripened? must you have ripened? must she have ripened? must we have ripened? must you have ripened? must they have ripened?
Perfect en V-ing
must I have been ripening? must you have been ripening? must she have been ripening? must we have been ripening? must you have been ripening? must they have been ripening?
Forme interro-négative
Forme simple
must I not ripen? must you not ripen? must she not ripen? must we not ripen? must you not ripen? must they not ripen?
Forme en V-ing
must I not be ripening? must you not be ripening? must she not be ripening? must we not be ripening? must you not be ripening? must they not be ripening?
Perfect
must I not have ripened? must you not have ripened? must she not have ripened? must we not have ripened? must you not have ripened? must they not have ripened?
Perfect en V-ing
must I not have been ripening? must you not have been ripening? must she not have been ripening? must we not have been ripening? must you not have been ripening? must they not have been ripening?