must desegregate
Regular verb: desegregate - desegregated- desegregated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must desegregate
you must desegregate
he must desegregate
we must desegregate
you must desegregate
they must desegregate 	I must be desegregating
you must be desegregating
he must be desegregating
we must be desegregating
you must be desegregating
they must be desegregating	I must have desegregated
you must have desegregated
he must have desegregated
we must have desegregated
you must have desegregated
they must have desegregated	I must have been desegregating
you must have been desegregating
he must have been desegregating
we must have been desegregating
you must have been desegregating
they must have been desegregating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't desegregate
you mustn't desegregate
he mustn't desegregate
we mustn't desegregate
you mustn't desegregate
they mustn't desegregate 	I mustn't be desegregating
you mustn't be desegregating
he mustn't be desegregating
we mustn't be desegregating
you mustn't be desegregating
they mustn't be desegregating	I mustn't have desegregated
you mustn't have desegregated
he mustn't have desegregated
we mustn't have desegregated
you mustn't have desegregated
they mustn't have desegregated	I mustn't have been desegregating
you mustn't have been desegregating
he mustn't have been desegregating
we mustn't have been desegregating
you mustn't have been desegregating
they mustn't have been desegregating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I desegregate?
must you desegregate?
must he desegregate?
must we desegregate?
must you desegregate?
must they desegregate? 	must I be desegregating?
must you be desegregating?
must he be desegregating?
must we be desegregating?
must you be desegregating?
must they be desegregating? 	must I have desegregated?
must you have desegregated?
must he have desegregated?
must we have desegregated?
must you have desegregated?
must they have desegregated? 	must I have been desegregating?
must you have been desegregating?
must he have been desegregating?
must we have been desegregating?
must you have been desegregating?
must they have been desegregating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I desegregate?
mustn't you desegregate?
mustn't he desegregate?
mustn't we desegregate?
mustn't you desegregate?
mustn't they desegregate? 	mustn't I be desegregating?
mustn't you be desegregating?
mustn't he be desegregating?
mustn't we be desegregating?
mustn't you be desegregating?
mustn't they be desegregating? 	mustn't I have desegregated?
mustn't you have desegregated?
mustn't he have desegregated?
mustn't we have desegregated?
mustn't you have desegregated?
mustn't they have desegregated? 	mustn't I have been desegregating?
mustn't you have been desegregating?
mustn't he have been desegregating?
mustn't we have been desegregating?
mustn't you have been desegregating?
mustn't they have been desegregating?