must dehorn
Verbe régulier : dehorn - dehorned- dehorned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must dehorn
you must dehorn
he must dehorn
we must dehorn
you must dehorn
they must dehorn 	I must be dehorning
you must be dehorning
he must be dehorning
we must be dehorning
you must be dehorning
they must be dehorning	I must have dehorned
you must have dehorned
he must have dehorned
we must have dehorned
you must have dehorned
they must have dehorned	I must have been dehorning
you must have been dehorning
he must have been dehorning
we must have been dehorning
you must have been dehorning
they must have been dehorning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't dehorn
you mustn't dehorn
he mustn't dehorn
we mustn't dehorn
you mustn't dehorn
they mustn't dehorn 	I mustn't be dehorning
you mustn't be dehorning
he mustn't be dehorning
we mustn't be dehorning
you mustn't be dehorning
they mustn't be dehorning	I mustn't have dehorned
you mustn't have dehorned
he mustn't have dehorned
we mustn't have dehorned
you mustn't have dehorned
they mustn't have dehorned	I mustn't have been dehorning
you mustn't have been dehorning
he mustn't have been dehorning
we mustn't have been dehorning
you mustn't have been dehorning
they mustn't have been dehorning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I dehorn?
must you dehorn?
must he dehorn?
must we dehorn?
must you dehorn?
must they dehorn? 	must I be dehorning?
must you be dehorning?
must he be dehorning?
must we be dehorning?
must you be dehorning?
must they be dehorning? 	must I have dehorned?
must you have dehorned?
must he have dehorned?
must we have dehorned?
must you have dehorned?
must they have dehorned? 	must I have been dehorning?
must you have been dehorning?
must he have been dehorning?
must we have been dehorning?
must you have been dehorning?
must they have been dehorning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I dehorn?
mustn't you dehorn?
mustn't he dehorn?
mustn't we dehorn?
mustn't you dehorn?
mustn't they dehorn? 	mustn't I be dehorning?
mustn't you be dehorning?
mustn't he be dehorning?
mustn't we be dehorning?
mustn't you be dehorning?
mustn't they be dehorning? 	mustn't I have dehorned?
mustn't you have dehorned?
mustn't he have dehorned?
mustn't we have dehorned?
mustn't you have dehorned?
mustn't they have dehorned? 	mustn't I have been dehorning?
mustn't you have been dehorning?
mustn't he have been dehorning?
mustn't we have been dehorning?
mustn't you have been dehorning?
mustn't they have been dehorning?