I must devise you must devise he must devise we must devise you must devise they must devise
Forme en V-ing
I must be devising you must be devising he must be devising we must be devising you must be devising they must be devising
Perfect
I must have devised you must have devised he must have devised we must have devised you must have devised they must have devised
Perfect en V-ing
I must have been devising you must have been devising he must have been devising we must have been devising you must have been devising they must have been devising
Négation
Forme simple
I must not devise you must not devise he must not devise we must not devise you must not devise they must not devise
Forme en V-ing
I must not be devising you must not be devising he must not be devising we must not be devising you must not be devising they must not be devising
Perfect
I must not have devised you must not have devised he must not have devised we must not have devised you must not have devised they must not have devised
Perfect en V-ing
I must not have been devising you must not have been devising he must not have been devising we must not have been devising you must not have been devising they must not have been devising
Forme interrogative
Forme simple
must I devise? must you devise? must he devise? must we devise? must you devise? must they devise?
Forme en V-ing
must I be devising? must you be devising? must he be devising? must we be devising? must you be devising? must they be devising?
Perfect
must I have devised? must you have devised? must he have devised? must we have devised? must you have devised? must they have devised?
Perfect en V-ing
must I have been devising? must you have been devising? must he have been devising? must we have been devising? must you have been devising? must they have been devising?
Forme interro-négative
Forme simple
must I not devise? must you not devise? must he not devise? must we not devise? must you not devise? must they not devise?
Forme en V-ing
must I not be devising? must you not be devising? must he not be devising? must we not be devising? must you not be devising? must they not be devising?
Perfect
must I not have devised? must you not have devised? must he not have devised? must we not have devised? must you not have devised? must they not have devised?
Perfect en V-ing
must I not have been devising? must you not have been devising? must he not have been devising? must we not have been devising? must you not have been devising? must they not have been devising?