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