I must stagnate you must stagnate he must stagnate we must stagnate you must stagnate they must stagnate
Forme en V-ing
I must be stagnating you must be stagnating he must be stagnating we must be stagnating you must be stagnating they must be stagnating
Perfect
I must have stagnated you must have stagnated he must have stagnated we must have stagnated you must have stagnated they must have stagnated
Perfect en V-ing
I must have been stagnating you must have been stagnating he must have been stagnating we must have been stagnating you must have been stagnating they must have been stagnating
Négation
Forme simple
I must not stagnate you must not stagnate he must not stagnate we must not stagnate you must not stagnate they must not stagnate
Forme en V-ing
I must not be stagnating you must not be stagnating he must not be stagnating we must not be stagnating you must not be stagnating they must not be stagnating
Perfect
I must not have stagnated you must not have stagnated he must not have stagnated we must not have stagnated you must not have stagnated they must not have stagnated
Perfect en V-ing
I must not have been stagnating you must not have been stagnating he must not have been stagnating we must not have been stagnating you must not have been stagnating they must not have been stagnating
Forme interrogative
Forme simple
must I stagnate? must you stagnate? must he stagnate? must we stagnate? must you stagnate? must they stagnate?
Forme en V-ing
must I be stagnating? must you be stagnating? must he be stagnating? must we be stagnating? must you be stagnating? must they be stagnating?
Perfect
must I have stagnated? must you have stagnated? must he have stagnated? must we have stagnated? must you have stagnated? must they have stagnated?
Perfect en V-ing
must I have been stagnating? must you have been stagnating? must he have been stagnating? must we have been stagnating? must you have been stagnating? must they have been stagnating?
Forme interro-négative
Forme simple
must I not stagnate? must you not stagnate? must he not stagnate? must we not stagnate? must you not stagnate? must they not stagnate?
Forme en V-ing
must I not be stagnating? must you not be stagnating? must he not be stagnating? must we not be stagnating? must you not be stagnating? must they not be stagnating?
Perfect
must I not have stagnated? must you not have stagnated? must he not have stagnated? must we not have stagnated? must you not have stagnated? must they not have stagnated?
Perfect en V-ing
must I not have been stagnating? must you not have been stagnating? must he not have been stagnating? must we not have been stagnating? must you not have been stagnating? must they not have been stagnating?