must calendar
Verbe régulier : calendar - calendared- calendared
Traduction française : inscrire sur le calendrier (US) - noter (dans son agenda) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must calendar
you must calendar
he must calendar
we must calendar
you must calendar
they must calendar 	I must be calendaring
you must be calendaring
he must be calendaring
we must be calendaring
you must be calendaring
they must be calendaring	I must have calendared
you must have calendared
he must have calendared
we must have calendared
you must have calendared
they must have calendared	I must have been calendaring
you must have been calendaring
he must have been calendaring
we must have been calendaring
you must have been calendaring
they must have been calendaring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't calendar
you mustn't calendar
he mustn't calendar
we mustn't calendar
you mustn't calendar
they mustn't calendar 	I mustn't be calendaring
you mustn't be calendaring
he mustn't be calendaring
we mustn't be calendaring
you mustn't be calendaring
they mustn't be calendaring	I mustn't have calendared
you mustn't have calendared
he mustn't have calendared
we mustn't have calendared
you mustn't have calendared
they mustn't have calendared	I mustn't have been calendaring
you mustn't have been calendaring
he mustn't have been calendaring
we mustn't have been calendaring
you mustn't have been calendaring
they mustn't have been calendaring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I calendar?
must you calendar?
must he calendar?
must we calendar?
must you calendar?
must they calendar? 	must I be calendaring?
must you be calendaring?
must he be calendaring?
must we be calendaring?
must you be calendaring?
must they be calendaring? 	must I have calendared?
must you have calendared?
must he have calendared?
must we have calendared?
must you have calendared?
must they have calendared? 	must I have been calendaring?
must you have been calendaring?
must he have been calendaring?
must we have been calendaring?
must you have been calendaring?
must they have been calendaring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I calendar?
mustn't you calendar?
mustn't he calendar?
mustn't we calendar?
mustn't you calendar?
mustn't they calendar? 	mustn't I be calendaring?
mustn't you be calendaring?
mustn't he be calendaring?
mustn't we be calendaring?
mustn't you be calendaring?
mustn't they be calendaring? 	mustn't I have calendared?
mustn't you have calendared?
mustn't he have calendared?
mustn't we have calendared?
mustn't you have calendared?
mustn't they have calendared? 	mustn't I have been calendaring?
mustn't you have been calendaring?
mustn't he have been calendaring?
mustn't we have been calendaring?
mustn't you have been calendaring?
mustn't they have been calendaring?