must desensitize
Regular verb: desensitize - desensitized- desensitized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must desensitize
you must desensitize
she must desensitize
we must desensitize
you must desensitize
they must desensitize 	I must be desensitizing
you must be desensitizing
she must be desensitizing
we must be desensitizing
you must be desensitizing
they must be desensitizing	I must have desensitized
you must have desensitized
she must have desensitized
we must have desensitized
you must have desensitized
they must have desensitized	I must have been desensitizing
you must have been desensitizing
she must have been desensitizing
we must have been desensitizing
you must have been desensitizing
they must have been desensitizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't desensitize
you mustn't desensitize
she mustn't desensitize
we mustn't desensitize
you mustn't desensitize
they mustn't desensitize 	I mustn't be desensitizing
you mustn't be desensitizing
she mustn't be desensitizing
we mustn't be desensitizing
you mustn't be desensitizing
they mustn't be desensitizing	I mustn't have desensitized
you mustn't have desensitized
she mustn't have desensitized
we mustn't have desensitized
you mustn't have desensitized
they mustn't have desensitized	I mustn't have been desensitizing
you mustn't have been desensitizing
she mustn't have been desensitizing
we mustn't have been desensitizing
you mustn't have been desensitizing
they mustn't have been desensitizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I desensitize?
must you desensitize?
must she desensitize?
must we desensitize?
must you desensitize?
must they desensitize? 	must I be desensitizing?
must you be desensitizing?
must she be desensitizing?
must we be desensitizing?
must you be desensitizing?
must they be desensitizing? 	must I have desensitized?
must you have desensitized?
must she have desensitized?
must we have desensitized?
must you have desensitized?
must they have desensitized? 	must I have been desensitizing?
must you have been desensitizing?
must she have been desensitizing?
must we have been desensitizing?
must you have been desensitizing?
must they have been desensitizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I desensitize?
mustn't you desensitize?
mustn't she desensitize?
mustn't we desensitize?
mustn't you desensitize?
mustn't they desensitize? 	mustn't I be desensitizing?
mustn't you be desensitizing?
mustn't she be desensitizing?
mustn't we be desensitizing?
mustn't you be desensitizing?
mustn't they be desensitizing? 	mustn't I have desensitized?
mustn't you have desensitized?
mustn't she have desensitized?
mustn't we have desensitized?
mustn't you have desensitized?
mustn't they have desensitized? 	mustn't I have been desensitizing?
mustn't you have been desensitizing?
mustn't she have been desensitizing?
mustn't we have been desensitizing?
mustn't you have been desensitizing?
mustn't they have been desensitizing?