must interarch
Verbe régulier : interarch - interarched- interarched

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must interarch
you must interarch
she must interarch
we must interarch
you must interarch
they must interarch 	I must be interarching
you must be interarching
she must be interarching
we must be interarching
you must be interarching
they must be interarching	I must have interarched
you must have interarched
she must have interarched
we must have interarched
you must have interarched
they must have interarched	I must have been interarching
you must have been interarching
she must have been interarching
we must have been interarching
you must have been interarching
they must have been interarching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't interarch
you mustn't interarch
she mustn't interarch
we mustn't interarch
you mustn't interarch
they mustn't interarch 	I mustn't be interarching
you mustn't be interarching
she mustn't be interarching
we mustn't be interarching
you mustn't be interarching
they mustn't be interarching	I mustn't have interarched
you mustn't have interarched
she mustn't have interarched
we mustn't have interarched
you mustn't have interarched
they mustn't have interarched	I mustn't have been interarching
you mustn't have been interarching
she mustn't have been interarching
we mustn't have been interarching
you mustn't have been interarching
they mustn't have been interarching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I interarch?
must you interarch?
must she interarch?
must we interarch?
must you interarch?
must they interarch? 	must I be interarching?
must you be interarching?
must she be interarching?
must we be interarching?
must you be interarching?
must they be interarching? 	must I have interarched?
must you have interarched?
must she have interarched?
must we have interarched?
must you have interarched?
must they have interarched? 	must I have been interarching?
must you have been interarching?
must she have been interarching?
must we have been interarching?
must you have been interarching?
must they have been interarching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I interarch?
mustn't you interarch?
mustn't she interarch?
mustn't we interarch?
mustn't you interarch?
mustn't they interarch? 	mustn't I be interarching?
mustn't you be interarching?
mustn't she be interarching?
mustn't we be interarching?
mustn't you be interarching?
mustn't they be interarching? 	mustn't I have interarched?
mustn't you have interarched?
mustn't she have interarched?
mustn't we have interarched?
mustn't you have interarched?
mustn't they have interarched? 	mustn't I have been interarching?
mustn't you have been interarching?
mustn't she have been interarching?
mustn't we have been interarching?
mustn't you have been interarching?
mustn't they have been interarching?