must immaterialize
Regular verb: immaterialize - immaterialized- immaterialized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must immaterialize
you must immaterialize
he must immaterialize
we must immaterialize
you must immaterialize
they must immaterialize 	I must be immaterializing
you must be immaterializing
he must be immaterializing
we must be immaterializing
you must be immaterializing
they must be immaterializing	I must have immaterialized
you must have immaterialized
he must have immaterialized
we must have immaterialized
you must have immaterialized
they must have immaterialized	I must have been immaterializing
you must have been immaterializing
he must have been immaterializing
we must have been immaterializing
you must have been immaterializing
they must have been immaterializing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not immaterialize
you must not immaterialize
he must not immaterialize
we must not immaterialize
you must not immaterialize
they must not immaterialize 	I must not be immaterializing
you must not be immaterializing
he must not be immaterializing
we must not be immaterializing
you must not be immaterializing
they must not be immaterializing	I must not have immaterialized
you must not have immaterialized
he must not have immaterialized
we must not have immaterialized
you must not have immaterialized
they must not have immaterialized	I must not have been immaterializing
you must not have been immaterializing
he must not have been immaterializing
we must not have been immaterializing
you must not have been immaterializing
they must not have been immaterializing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I immaterialize?
must you immaterialize?
must he immaterialize?
must we immaterialize?
must you immaterialize?
must they immaterialize? 	must I be immaterializing?
must you be immaterializing?
must he be immaterializing?
must we be immaterializing?
must you be immaterializing?
must they be immaterializing? 	must I have immaterialized?
must you have immaterialized?
must he have immaterialized?
must we have immaterialized?
must you have immaterialized?
must they have immaterialized? 	must I have been immaterializing?
must you have been immaterializing?
must he have been immaterializing?
must we have been immaterializing?
must you have been immaterializing?
must they have been immaterializing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not immaterialize?
must you not immaterialize?
must he not immaterialize?
must we not immaterialize?
must you not immaterialize?
must they not immaterialize? 	must I not be immaterializing?
must you not be immaterializing?
must he not be immaterializing?
must we not be immaterializing?
must you not be immaterializing?
must they not be immaterializing? 	must I not have immaterialized?
must you not have immaterialized?
must he not have immaterialized?
must we not have immaterialized?
must you not have immaterialized?
must they not have immaterialized? 	must I not have been immaterializing?
must you not have been immaterializing?
must he not have been immaterializing?
must we not have been immaterializing?
must you not have been immaterializing?
must they not have been immaterializing?