I must react you must react he must react we must react you must react they must react
Forme en V-ing
I must be reacting you must be reacting he must be reacting we must be reacting you must be reacting they must be reacting
Perfect
I must have reacted you must have reacted he must have reacted we must have reacted you must have reacted they must have reacted
Perfect en V-ing
I must have been reacting you must have been reacting he must have been reacting we must have been reacting you must have been reacting they must have been reacting
Négation
Forme simple
I must not react you must not react he must not react we must not react you must not react they must not react
Forme en V-ing
I must not be reacting you must not be reacting he must not be reacting we must not be reacting you must not be reacting they must not be reacting
Perfect
I must not have reacted you must not have reacted he must not have reacted we must not have reacted you must not have reacted they must not have reacted
Perfect en V-ing
I must not have been reacting you must not have been reacting he must not have been reacting we must not have been reacting you must not have been reacting they must not have been reacting
Forme interrogative
Forme simple
must I react? must you react? must he react? must we react? must you react? must they react?
Forme en V-ing
must I be reacting? must you be reacting? must he be reacting? must we be reacting? must you be reacting? must they be reacting?
Perfect
must I have reacted? must you have reacted? must he have reacted? must we have reacted? must you have reacted? must they have reacted?
Perfect en V-ing
must I have been reacting? must you have been reacting? must he have been reacting? must we have been reacting? must you have been reacting? must they have been reacting?
Forme interro-négative
Forme simple
must I not react? must you not react? must he not react? must we not react? must you not react? must they not react?
Forme en V-ing
must I not be reacting? must you not be reacting? must he not be reacting? must we not be reacting? must you not be reacting? must they not be reacting?
Perfect
must I not have reacted? must you not have reacted? must he not have reacted? must we not have reacted? must you not have reacted? must they not have reacted?
Perfect en V-ing
must I not have been reacting? must you not have been reacting? must he not have been reacting? must we not have been reacting? must you not have been reacting? must they not have been reacting?