must demotivate
Regular verb: demotivate - demotivated- demotivated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must demotivate
you must demotivate
he must demotivate
we must demotivate
you must demotivate
they must demotivate 	I must be demotivating
you must be demotivating
he must be demotivating
we must be demotivating
you must be demotivating
they must be demotivating	I must have demotivated
you must have demotivated
he must have demotivated
we must have demotivated
you must have demotivated
they must have demotivated	I must have been demotivating
you must have been demotivating
he must have been demotivating
we must have been demotivating
you must have been demotivating
they must have been demotivating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't demotivate
you mustn't demotivate
he mustn't demotivate
we mustn't demotivate
you mustn't demotivate
they mustn't demotivate 	I mustn't be demotivating
you mustn't be demotivating
he mustn't be demotivating
we mustn't be demotivating
you mustn't be demotivating
they mustn't be demotivating	I mustn't have demotivated
you mustn't have demotivated
he mustn't have demotivated
we mustn't have demotivated
you mustn't have demotivated
they mustn't have demotivated	I mustn't have been demotivating
you mustn't have been demotivating
he mustn't have been demotivating
we mustn't have been demotivating
you mustn't have been demotivating
they mustn't have been demotivating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I demotivate?
must you demotivate?
must he demotivate?
must we demotivate?
must you demotivate?
must they demotivate? 	must I be demotivating?
must you be demotivating?
must he be demotivating?
must we be demotivating?
must you be demotivating?
must they be demotivating? 	must I have demotivated?
must you have demotivated?
must he have demotivated?
must we have demotivated?
must you have demotivated?
must they have demotivated? 	must I have been demotivating?
must you have been demotivating?
must he have been demotivating?
must we have been demotivating?
must you have been demotivating?
must they have been demotivating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I demotivate?
mustn't you demotivate?
mustn't he demotivate?
mustn't we demotivate?
mustn't you demotivate?
mustn't they demotivate? 	mustn't I be demotivating?
mustn't you be demotivating?
mustn't he be demotivating?
mustn't we be demotivating?
mustn't you be demotivating?
mustn't they be demotivating? 	mustn't I have demotivated?
mustn't you have demotivated?
mustn't he have demotivated?
mustn't we have demotivated?
mustn't you have demotivated?
mustn't they have demotivated? 	mustn't I have been demotivating?
mustn't you have been demotivating?
mustn't he have been demotivating?
mustn't we have been demotivating?
mustn't you have been demotivating?
mustn't they have been demotivating?