must usurp
Verbe régulier : usurp - usurped- usurped
Traduction française : usurper 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must usurp
you must usurp
he must usurp
we must usurp
you must usurp
they must usurp 	I must be usurping
you must be usurping
he must be usurping
we must be usurping
you must be usurping
they must be usurping	I must have usurped
you must have usurped
he must have usurped
we must have usurped
you must have usurped
they must have usurped	I must have been usurping
you must have been usurping
he must have been usurping
we must have been usurping
you must have been usurping
they must have been usurping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't usurp
you mustn't usurp
he mustn't usurp
we mustn't usurp
you mustn't usurp
they mustn't usurp 	I mustn't be usurping
you mustn't be usurping
he mustn't be usurping
we mustn't be usurping
you mustn't be usurping
they mustn't be usurping	I mustn't have usurped
you mustn't have usurped
he mustn't have usurped
we mustn't have usurped
you mustn't have usurped
they mustn't have usurped	I mustn't have been usurping
you mustn't have been usurping
he mustn't have been usurping
we mustn't have been usurping
you mustn't have been usurping
they mustn't have been usurping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I usurp?
must you usurp?
must he usurp?
must we usurp?
must you usurp?
must they usurp? 	must I be usurping?
must you be usurping?
must he be usurping?
must we be usurping?
must you be usurping?
must they be usurping? 	must I have usurped?
must you have usurped?
must he have usurped?
must we have usurped?
must you have usurped?
must they have usurped? 	must I have been usurping?
must you have been usurping?
must he have been usurping?
must we have been usurping?
must you have been usurping?
must they have been usurping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I usurp?
mustn't you usurp?
mustn't he usurp?
mustn't we usurp?
mustn't you usurp?
mustn't they usurp? 	mustn't I be usurping?
mustn't you be usurping?
mustn't he be usurping?
mustn't we be usurping?
mustn't you be usurping?
mustn't they be usurping? 	mustn't I have usurped?
mustn't you have usurped?
mustn't he have usurped?
mustn't we have usurped?
mustn't you have usurped?
mustn't they have usurped? 	mustn't I have been usurping?
mustn't you have been usurping?
mustn't he have been usurping?
mustn't we have been usurping?
mustn't you have been usurping?
mustn't they have been usurping?