must vary vary
Verbe régulier : vary vary - vary varied- vary varied

, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must vary vary
you must vary vary
he must vary vary
we must vary vary
you must vary vary
they must vary vary 	I must be vary varying
you must be vary varying
he must be vary varying
we must be vary varying
you must be vary varying
they must be vary varying	I must have vary varied
you must have vary varied
he must have vary varied
we must have vary varied
you must have vary varied
they must have vary varied	I must have been vary varying
you must have been vary varying
he must have been vary varying
we must have been vary varying
you must have been vary varying
they must have been vary varying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not vary vary
you must not vary vary
he must not vary vary
we must not vary vary
you must not vary vary
they must not vary vary 	I must not be vary varying
you must not be vary varying
he must not be vary varying
we must not be vary varying
you must not be vary varying
they must not be vary varying	I must not have vary varied
you must not have vary varied
he must not have vary varied
we must not have vary varied
you must not have vary varied
they must not have vary varied	I must not have been vary varying
you must not have been vary varying
he must not have been vary varying
we must not have been vary varying
you must not have been vary varying
they must not have been vary varying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I vary vary?
must you vary vary?
must he vary vary?
must we vary vary?
must you vary vary?
must they vary vary? 	must I be vary varying?
must you be vary varying?
must he be vary varying?
must we be vary varying?
must you be vary varying?
must they be vary varying? 	must I have vary varied?
must you have vary varied?
must he have vary varied?
must we have vary varied?
must you have vary varied?
must they have vary varied? 	must I have been vary varying?
must you have been vary varying?
must he have been vary varying?
must we have been vary varying?
must you have been vary varying?
must they have been vary varying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not vary vary?
must you not vary vary?
must he not vary vary?
must we not vary vary?
must you not vary vary?
must they not vary vary? 	must I not be vary varying?
must you not be vary varying?
must he not be vary varying?
must we not be vary varying?
must you not be vary varying?
must they not be vary varying? 	must I not have vary varied?
must you not have vary varied?
must he not have vary varied?
must we not have vary varied?
must you not have vary varied?
must they not have vary varied? 	must I not have been vary varying?
must you not have been vary varying?
must he not have been vary varying?
must we not have been vary varying?
must you not have been vary varying?
must they not have been vary varying?