must depart
Regular verb: depart - departed- departed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must depart
you must depart
she must depart
we must depart
you must depart
they must depart 	I must be departing
you must be departing
she must be departing
we must be departing
you must be departing
they must be departing	I must have departed
you must have departed
she 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
she 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 must not depart
you must not depart
she must not depart
we must not depart
you must not depart
they must not depart 	I must not be departing
you must not be departing
she must not be departing
we must not be departing
you must not be departing
they must not be departing	I must not have departed
you must not have departed
she must not have departed
we must not have departed
you must not have departed
they must not have departed	I must not have been departing
you must not have been departing
she must not have been departing
we must not have been departing
you must not have been departing
they must not have been departing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I depart?
must you depart?
must she depart?
must we depart?
must you depart?
must they depart? 	must I be departing?
must you be departing?
must she be departing?
must we be departing?
must you be departing?
must they be departing? 	must I have departed?
must you have departed?
must she 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 she 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 	
must I not depart?
must you not depart?
must she not depart?
must we not depart?
must you not depart?
must they not depart? 	must I not be departing?
must you not be departing?
must she not be departing?
must we not be departing?
must you not be departing?
must they not be departing? 	must I not have departed?
must you not have departed?
must she not have departed?
must we not have departed?
must you not have departed?
must they not have departed? 	must I not have been departing?
must you not have been departing?
must she not have been departing?
must we not have been departing?
must you not have been departing?
must they not have been departing?