must depart
Regular verb: depart - departed- departed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must depart
you must depart
he must depart
we must depart
you must depart
they must depart 	I must be departing
you must be departing
he must be departing
we must be departing
you must be departing
they must be departing	I must have departed
you must have departed
he must have departed
we must have departed
you must have departed
they must have departed	I must have been departing
you must have been departing
he must have been departing
we must have been departing
you must have been departing
they must have been departing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't depart
you mustn't depart
he mustn't depart
we mustn't depart
you mustn't depart
they mustn't depart 	I mustn't be departing
you mustn't be departing
he mustn't be departing
we mustn't be departing
you mustn't be departing
they mustn't be departing	I mustn't have departed
you mustn't have departed
he mustn't have departed
we mustn't have departed
you mustn't have departed
they mustn't have departed	I mustn't have been departing
you mustn't have been departing
he mustn't have been departing
we mustn't have been departing
you mustn't have been departing
they mustn't have been departing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I depart?
must you depart?
must he depart?
must we depart?
must you depart?
must they depart? 	must I be departing?
must you be departing?
must he be departing?
must we be departing?
must you be departing?
must they be departing? 	must I have departed?
must you have departed?
must he have departed?
must we have departed?
must you have departed?
must they have departed? 	must I have been departing?
must you have been departing?
must he have been departing?
must we have been departing?
must you have been departing?
must they have been departing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I depart?
mustn't you depart?
mustn't he depart?
mustn't we depart?
mustn't you depart?
mustn't they depart? 	mustn't I be departing?
mustn't you be departing?
mustn't he be departing?
mustn't we be departing?
mustn't you be departing?
mustn't they be departing? 	mustn't I have departed?
mustn't you have departed?
mustn't he have departed?
mustn't we have departed?
mustn't you have departed?
mustn't they have departed? 	mustn't I have been departing?
mustn't you have been departing?
mustn't he have been departing?
mustn't we have been departing?
mustn't you have been departing?
mustn't they have been departing?