must demarcate
Regular verb: demarcate - demarcated- demarcated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must demarcate
you must demarcate
he must demarcate
we must demarcate
you must demarcate
they must demarcate 	I must be demarcating
you must be demarcating
he must be demarcating
we must be demarcating
you must be demarcating
they must be demarcating	I must have demarcated
you must have demarcated
he must have demarcated
we must have demarcated
you must have demarcated
they must have demarcated	I must have been demarcating
you must have been demarcating
he must have been demarcating
we must have been demarcating
you must have been demarcating
they must have been demarcating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't demarcate
you mustn't demarcate
he mustn't demarcate
we mustn't demarcate
you mustn't demarcate
they mustn't demarcate 	I mustn't be demarcating
you mustn't be demarcating
he mustn't be demarcating
we mustn't be demarcating
you mustn't be demarcating
they mustn't be demarcating	I mustn't have demarcated
you mustn't have demarcated
he mustn't have demarcated
we mustn't have demarcated
you mustn't have demarcated
they mustn't have demarcated	I mustn't have been demarcating
you mustn't have been demarcating
he mustn't have been demarcating
we mustn't have been demarcating
you mustn't have been demarcating
they mustn't have been demarcating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I demarcate?
must you demarcate?
must he demarcate?
must we demarcate?
must you demarcate?
must they demarcate? 	must I be demarcating?
must you be demarcating?
must he be demarcating?
must we be demarcating?
must you be demarcating?
must they be demarcating? 	must I have demarcated?
must you have demarcated?
must he have demarcated?
must we have demarcated?
must you have demarcated?
must they have demarcated? 	must I have been demarcating?
must you have been demarcating?
must he have been demarcating?
must we have been demarcating?
must you have been demarcating?
must they have been demarcating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I demarcate?
mustn't you demarcate?
mustn't he demarcate?
mustn't we demarcate?
mustn't you demarcate?
mustn't they demarcate? 	mustn't I be demarcating?
mustn't you be demarcating?
mustn't he be demarcating?
mustn't we be demarcating?
mustn't you be demarcating?
mustn't they be demarcating? 	mustn't I have demarcated?
mustn't you have demarcated?
mustn't he have demarcated?
mustn't we have demarcated?
mustn't you have demarcated?
mustn't they have demarcated? 	mustn't I have been demarcating?
mustn't you have been demarcating?
mustn't he have been demarcating?
mustn't we have been demarcating?
mustn't you have been demarcating?
mustn't they have been demarcating?