must inch
Regular verb: inch - inched- inched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must inch
you must inch
he must inch
we must inch
you must inch
they must inch 	I must be inching
you must be inching
he must be inching
we must be inching
you must be inching
they must be inching	I must have inched
you must have inched
he must have inched
we must have inched
you must have inched
they must have inched	I must have been inching
you must have been inching
he must have been inching
we must have been inching
you must have been inching
they must have been inching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't inch
you mustn't inch
he mustn't inch
we mustn't inch
you mustn't inch
they mustn't inch 	I mustn't be inching
you mustn't be inching
he mustn't be inching
we mustn't be inching
you mustn't be inching
they mustn't be inching	I mustn't have inched
you mustn't have inched
he mustn't have inched
we mustn't have inched
you mustn't have inched
they mustn't have inched	I mustn't have been inching
you mustn't have been inching
he mustn't have been inching
we mustn't have been inching
you mustn't have been inching
they mustn't have been inching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I inch?
must you inch?
must he inch?
must we inch?
must you inch?
must they inch? 	must I be inching?
must you be inching?
must he be inching?
must we be inching?
must you be inching?
must they be inching? 	must I have inched?
must you have inched?
must he have inched?
must we have inched?
must you have inched?
must they have inched? 	must I have been inching?
must you have been inching?
must he have been inching?
must we have been inching?
must you have been inching?
must they have been inching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I inch?
mustn't you inch?
mustn't he inch?
mustn't we inch?
mustn't you inch?
mustn't they inch? 	mustn't I be inching?
mustn't you be inching?
mustn't he be inching?
mustn't we be inching?
mustn't you be inching?
mustn't they be inching? 	mustn't I have inched?
mustn't you have inched?
mustn't he have inched?
mustn't we have inched?
mustn't you have inched?
mustn't they have inched? 	mustn't I have been inching?
mustn't you have been inching?
mustn't he have been inching?
mustn't we have been inching?
mustn't you have been inching?
mustn't they have been inching?