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