must shepherd
Regular verb: shepherd - shepherded- shepherded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must shepherd
you must shepherd
he must shepherd
we must shepherd
you must shepherd
they must shepherd 	I must be shepherding
you must be shepherding
he must be shepherding
we must be shepherding
you must be shepherding
they must be shepherding	I must have shepherded
you must have shepherded
he must have shepherded
we must have shepherded
you must have shepherded
they must have shepherded	I must have been shepherding
you must have been shepherding
he must have been shepherding
we must have been shepherding
you must have been shepherding
they must have been shepherding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't shepherd
you mustn't shepherd
he mustn't shepherd
we mustn't shepherd
you mustn't shepherd
they mustn't shepherd 	I mustn't be shepherding
you mustn't be shepherding
he mustn't be shepherding
we mustn't be shepherding
you mustn't be shepherding
they mustn't be shepherding	I mustn't have shepherded
you mustn't have shepherded
he mustn't have shepherded
we mustn't have shepherded
you mustn't have shepherded
they mustn't have shepherded	I mustn't have been shepherding
you mustn't have been shepherding
he mustn't have been shepherding
we mustn't have been shepherding
you mustn't have been shepherding
they mustn't have been shepherding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I shepherd?
must you shepherd?
must he shepherd?
must we shepherd?
must you shepherd?
must they shepherd? 	must I be shepherding?
must you be shepherding?
must he be shepherding?
must we be shepherding?
must you be shepherding?
must they be shepherding? 	must I have shepherded?
must you have shepherded?
must he have shepherded?
must we have shepherded?
must you have shepherded?
must they have shepherded? 	must I have been shepherding?
must you have been shepherding?
must he have been shepherding?
must we have been shepherding?
must you have been shepherding?
must they have been shepherding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I shepherd?
mustn't you shepherd?
mustn't he shepherd?
mustn't we shepherd?
mustn't you shepherd?
mustn't they shepherd? 	mustn't I be shepherding?
mustn't you be shepherding?
mustn't he be shepherding?
mustn't we be shepherding?
mustn't you be shepherding?
mustn't they be shepherding? 	mustn't I have shepherded?
mustn't you have shepherded?
mustn't he have shepherded?
mustn't we have shepherded?
mustn't you have shepherded?
mustn't they have shepherded? 	mustn't I have been shepherding?
mustn't you have been shepherding?
mustn't he have been shepherding?
mustn't we have been shepherding?
mustn't you have been shepherding?
mustn't they have been shepherding?