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
he must interarch
we must interarch
you must interarch
they must interarch 	I must be interarching
you must be interarching
he must be interarching
we must be interarching
you must be interarching
they must be interarching	I must have interarched
you must have interarched
he 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
he 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 must not interarch
you must not interarch
he must not interarch
we must not interarch
you must not interarch
they must not interarch 	I must not be interarching
you must not be interarching
he must not be interarching
we must not be interarching
you must not be interarching
they must not be interarching	I must not have interarched
you must not have interarched
he must not have interarched
we must not have interarched
you must not have interarched
they must not have interarched	I must not have been interarching
you must not have been interarching
he must not have been interarching
we must not have been interarching
you must not have been interarching
they must not have been interarching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I interarch?
must you interarch?
must he interarch?
must we interarch?
must you interarch?
must they interarch? 	must I be interarching?
must you be interarching?
must he be interarching?
must we be interarching?
must you be interarching?
must they be interarching? 	must I have interarched?
must you have interarched?
must he 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 he 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 	
must I not interarch?
must you not interarch?
must he not interarch?
must we not interarch?
must you not interarch?
must they not interarch? 	must I not be interarching?
must you not be interarching?
must he not be interarching?
must we not be interarching?
must you not be interarching?
must they not be interarching? 	must I not have interarched?
must you not have interarched?
must he not have interarched?
must we not have interarched?
must you not have interarched?
must they not have interarched? 	must I not have been interarching?
must you not have been interarching?
must he not have been interarching?
must we not have been interarching?
must you not have been interarching?
must they not have been interarching?