Conjugación del verbo inglés
MUST SUBSTANTIATE

Verbo regular: substantiate - substantiated - substantiated

Afirmación

Forma simple	Forma con V-ing
I must substantiate you must substantiate she must substantiate we must substantiate you must substantiate they must substantiate	I must be substantiating you must be substantiating she must be substantiating we must be substantiating you must be substantiating they must be substantiating
Perfecto	Perfecto con V-ing
I must have substantiated you must have substantiated she 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 she must have been substantiating we must have been substantiating you must have been substantiating they must have been substantiating

Negación

Forma simple	Forma con V-ing
I mustn't substantiate you mustn't substantiate she 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 she mustn't be substantiating we mustn't be substantiating you mustn't be substantiating they mustn't be substantiating
Perfecto	Perfecto con V-ing
I mustn't have substantiated you mustn't have substantiated she 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 she 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 simple	Forma con V-ing
must I substantiate? must you substantiate? must she substantiate? must we substantiate? must you substantiate? must they substantiate?	must I be substantiating? must you be substantiating? must she be substantiating? must we be substantiating? must you be substantiating? must they be substantiating?
Perfecto	Perfecto con V-ing
must I have substantiated? must you have substantiated? must she 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 she have been substantiating? must we have been substantiating? must you have been substantiating? must they have been substantiating?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I substantiate? mustn't you substantiate? mustn't she 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 she be substantiating? mustn't we be substantiating? mustn't you be substantiating? mustn't they be substantiating?
Perfecto	Perfecto con V-ing
mustn't I have substantiated? mustn't you have substantiated? mustn't she 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 she have been substantiating? mustn't we have been substantiating? mustn't you have been substantiating? mustn't they have been substantiating?