may substantiate
Verbo regular: substantiate - substantiated- substantiated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may substantiate
you may substantiate
he may substantiate
we may substantiate
you may substantiate
they may substantiate 	I may be substantiating
you may be substantiating
he may be substantiating
we may be substantiating
you may be substantiating
they may be substantiating	I may have substantiated
you may have substantiated
he may have substantiated
we may have substantiated
you may have substantiated
they may have substantiated	I may have been substantiating
you may have been substantiating
he may have been substantiating
we may have been substantiating
you may have been substantiating
they may have been substantiating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not substantiate
you may not substantiate
he may not substantiate
we may not substantiate
you may not substantiate
they may not substantiate 	I may not be substantiating
you may not be substantiating
he may not be substantiating
we may not be substantiating
you may not be substantiating
they may not be substantiating	I may not have substantiated
you may not have substantiated
he may not have substantiated
we may not have substantiated
you may not have substantiated
they may not have substantiated	I may not have been substantiating
you may not have been substantiating
he may not have been substantiating
we may not have been substantiating
you may not have been substantiating
they may not have been substantiating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I substantiate?
may you substantiate?
may he substantiate?
may we substantiate?
may you substantiate?
may they substantiate? 	may I be substantiating?
may you be substantiating?
may he be substantiating?
may we be substantiating?
may you be substantiating?
may they be substantiating? 	may I have substantiated?
may you have substantiated?
may he have substantiated?
may we have substantiated?
may you have substantiated?
may they have substantiated? 	may I have been substantiating?
may you have been substantiating?
may he have been substantiating?
may we have been substantiating?
may you have been substantiating?
may they have been substantiating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not substantiate?
may you not substantiate?
may he not substantiate?
may we not substantiate?
may you not substantiate?
may they not substantiate? 	may I not be substantiating?
may you not be substantiating?
may he not be substantiating?
may we not be substantiating?
may you not be substantiating?
may they not be substantiating? 	may I not have substantiated?
may you not have substantiated?
may he not have substantiated?
may we not have substantiated?
may you not have substantiated?
may they not have substantiated? 	may I not have been substantiating?
may you not have been substantiating?
may he not have been substantiating?
may we not have been substantiating?
may you not have been substantiating?
may they not have been substantiating?