must substantiate
Verbo regolare: substantiate - substantiated- substantiated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must substantiate
you must substantiate
he must substantiate
we must substantiate
you must substantiate
they must substantiate 	I must be substantiating
you must be substantiating
he must be substantiating
we must be substantiating
you must be substantiating
they must be substantiating	I must have substantiated
you must have substantiated
he must have substantiated
we must have substantiated
you must have substantiated
they must have substantiated	I must have been substantiating
you must have been substantiating
he must have been substantiating
we must have been substantiating
you must have been substantiating
they must have been substantiating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't substantiate
you mustn't substantiate
he mustn't substantiate
we mustn't substantiate
you mustn't substantiate
they mustn't substantiate 	I mustn't be substantiating
you mustn't be substantiating
he mustn't be substantiating
we mustn't be substantiating
you mustn't be substantiating
they mustn't be substantiating	I mustn't have substantiated
you mustn't have substantiated
he mustn't have substantiated
we mustn't have substantiated
you mustn't have substantiated
they mustn't have substantiated	I mustn't have been substantiating
you mustn't have been substantiating
he mustn't have been substantiating
we mustn't have been substantiating
you mustn't have been substantiating
they mustn't have been substantiating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I substantiate?
must you substantiate?
must he substantiate?
must we substantiate?
must you substantiate?
must they substantiate? 	must I be substantiating?
must you be substantiating?
must he be substantiating?
must we be substantiating?
must you be substantiating?
must they be substantiating? 	must I have substantiated?
must you have substantiated?
must he have substantiated?
must we have substantiated?
must you have substantiated?
must they have substantiated? 	must I have been substantiating?
must you have been substantiating?
must he have been substantiating?
must we have been substantiating?
must you have been substantiating?
must they have been substantiating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I substantiate?
mustn't you substantiate?
mustn't he substantiate?
mustn't we substantiate?
mustn't you substantiate?
mustn't they substantiate? 	mustn't I be substantiating?
mustn't you be substantiating?
mustn't he be substantiating?
mustn't we be substantiating?
mustn't you be substantiating?
mustn't they be substantiating? 	mustn't I have substantiated?
mustn't you have substantiated?
mustn't he have substantiated?
mustn't we have substantiated?
mustn't you have substantiated?
mustn't they have substantiated? 	mustn't I have been substantiating?
mustn't you have been substantiating?
mustn't he have been substantiating?
mustn't we have been substantiating?
mustn't you have been substantiating?
mustn't they have been substantiating?