must headquarter
Verbe régulier : headquarter - headquartered- headquartered
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Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must headquarter
you must headquarter
he must headquarter
we must headquarter
you must headquarter
they must headquarter 	I must be headquartering
you must be headquartering
he must be headquartering
we must be headquartering
you must be headquartering
they must be headquartering	I must have headquartered
you must have headquartered
he must have headquartered
we must have headquartered
you must have headquartered
they must have headquartered	I must have been headquartering
you must have been headquartering
he must have been headquartering
we must have been headquartering
you must have been headquartering
they must have been headquartering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not headquarter
you must not headquarter
he must not headquarter
we must not headquarter
you must not headquarter
they must not headquarter 	I must not be headquartering
you must not be headquartering
he must not be headquartering
we must not be headquartering
you must not be headquartering
they must not be headquartering	I must not have headquartered
you must not have headquartered
he must not have headquartered
we must not have headquartered
you must not have headquartered
they must not have headquartered	I must not have been headquartering
you must not have been headquartering
he must not have been headquartering
we must not have been headquartering
you must not have been headquartering
they must not have been headquartering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I headquarter?
must you headquarter?
must he headquarter?
must we headquarter?
must you headquarter?
must they headquarter? 	must I be headquartering?
must you be headquartering?
must he be headquartering?
must we be headquartering?
must you be headquartering?
must they be headquartering? 	must I have headquartered?
must you have headquartered?
must he have headquartered?
must we have headquartered?
must you have headquartered?
must they have headquartered? 	must I have been headquartering?
must you have been headquartering?
must he have been headquartering?
must we have been headquartering?
must you have been headquartering?
must they have been headquartering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not headquarter?
must you not headquarter?
must he not headquarter?
must we not headquarter?
must you not headquarter?
must they not headquarter? 	must I not be headquartering?
must you not be headquartering?
must he not be headquartering?
must we not be headquartering?
must you not be headquartering?
must they not be headquartering? 	must I not have headquartered?
must you not have headquartered?
must he not have headquartered?
must we not have headquartered?
must you not have headquartered?
must they not have headquartered? 	must I not have been headquartering?
must you not have been headquartering?
must he not have been headquartering?
must we not have been headquartering?
must you not have been headquartering?
must they not have been headquartering?