must sojourn
Regular verb: sojourn - sojourned- sojourned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must sojourn
you must sojourn
he must sojourn
we must sojourn
you must sojourn
they must sojourn 	I must be sojourning
you must be sojourning
he must be sojourning
we must be sojourning
you must be sojourning
they must be sojourning	I must have sojourned
you must have sojourned
he must have sojourned
we must have sojourned
you must have sojourned
they must have sojourned	I must have been sojourning
you must have been sojourning
he must have been sojourning
we must have been sojourning
you must have been sojourning
they must have been sojourning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't sojourn
you mustn't sojourn
he mustn't sojourn
we mustn't sojourn
you mustn't sojourn
they mustn't sojourn 	I mustn't be sojourning
you mustn't be sojourning
he mustn't be sojourning
we mustn't be sojourning
you mustn't be sojourning
they mustn't be sojourning	I mustn't have sojourned
you mustn't have sojourned
he mustn't have sojourned
we mustn't have sojourned
you mustn't have sojourned
they mustn't have sojourned	I mustn't have been sojourning
you mustn't have been sojourning
he mustn't have been sojourning
we mustn't have been sojourning
you mustn't have been sojourning
they mustn't have been sojourning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I sojourn?
must you sojourn?
must he sojourn?
must we sojourn?
must you sojourn?
must they sojourn? 	must I be sojourning?
must you be sojourning?
must he be sojourning?
must we be sojourning?
must you be sojourning?
must they be sojourning? 	must I have sojourned?
must you have sojourned?
must he have sojourned?
must we have sojourned?
must you have sojourned?
must they have sojourned? 	must I have been sojourning?
must you have been sojourning?
must he have been sojourning?
must we have been sojourning?
must you have been sojourning?
must they have been sojourning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I sojourn?
mustn't you sojourn?
mustn't he sojourn?
mustn't we sojourn?
mustn't you sojourn?
mustn't they sojourn? 	mustn't I be sojourning?
mustn't you be sojourning?
mustn't he be sojourning?
mustn't we be sojourning?
mustn't you be sojourning?
mustn't they be sojourning? 	mustn't I have sojourned?
mustn't you have sojourned?
mustn't he have sojourned?
mustn't we have sojourned?
mustn't you have sojourned?
mustn't they have sojourned? 	mustn't I have been sojourning?
mustn't you have been sojourning?
mustn't he have been sojourning?
mustn't we have been sojourning?
mustn't you have been sojourning?
mustn't they have been sojourning?