I must counterfeit you must counterfeit she must counterfeit we must counterfeit you must counterfeit they must counterfeit
Forme en V-ing
I must be counterfeiting you must be counterfeiting she must be counterfeiting we must be counterfeiting you must be counterfeiting they must be counterfeiting
Perfect
I must have counterfeited you must have counterfeited she must have counterfeited we must have counterfeited you must have counterfeited they must have counterfeited
Perfect en V-ing
I must have been counterfeiting you must have been counterfeiting she must have been counterfeiting we must have been counterfeiting you must have been counterfeiting they must have been counterfeiting
Négation
Forme simple
I mustn't counterfeit you mustn't counterfeit she mustn't counterfeit we mustn't counterfeit you mustn't counterfeit they mustn't counterfeit
Forme en V-ing
I mustn't be counterfeiting you mustn't be counterfeiting she mustn't be counterfeiting we mustn't be counterfeiting you mustn't be counterfeiting they mustn't be counterfeiting
Perfect
I mustn't have counterfeited you mustn't have counterfeited she mustn't have counterfeited we mustn't have counterfeited you mustn't have counterfeited they mustn't have counterfeited
Perfect en V-ing
I mustn't have been counterfeiting you mustn't have been counterfeiting she mustn't have been counterfeiting we mustn't have been counterfeiting you mustn't have been counterfeiting they mustn't have been counterfeiting
Forme interrogative
Forme simple
must I counterfeit? must you counterfeit? must she counterfeit? must we counterfeit? must you counterfeit? must they counterfeit?
Forme en V-ing
must I be counterfeiting? must you be counterfeiting? must she be counterfeiting? must we be counterfeiting? must you be counterfeiting? must they be counterfeiting?
Perfect
must I have counterfeited? must you have counterfeited? must she have counterfeited? must we have counterfeited? must you have counterfeited? must they have counterfeited?
Perfect en V-ing
must I have been counterfeiting? must you have been counterfeiting? must she have been counterfeiting? must we have been counterfeiting? must you have been counterfeiting? must they have been counterfeiting?
Forme interro-négative
Forme simple
mustn't I counterfeit? mustn't you counterfeit? mustn't she counterfeit? mustn't we counterfeit? mustn't you counterfeit? mustn't they counterfeit?
Forme en V-ing
mustn't I be counterfeiting? mustn't you be counterfeiting? mustn't she be counterfeiting? mustn't we be counterfeiting? mustn't you be counterfeiting? mustn't they be counterfeiting?
Perfect
mustn't I have counterfeited? mustn't you have counterfeited? mustn't she have counterfeited? mustn't we have counterfeited? mustn't you have counterfeited? mustn't they have counterfeited?
Perfect en V-ing
mustn't I have been counterfeiting? mustn't you have been counterfeiting? mustn't she have been counterfeiting? mustn't we have been counterfeiting? mustn't you have been counterfeiting? mustn't they have been counterfeiting?