English verb conjugation
SHOULD SUBSTANTIATE

Regular verb: substantiate - substantiated - substantiated

Affirmation

Simple form	V-ing form
I should substantiate you should substantiate he should substantiate we should substantiate you should substantiate they should substantiate	I should be substantiating you should be substantiating he should be substantiating we should be substantiating you should be substantiating they should be substantiating
Perfect	V-ing perfect
I should have substantiated you should have substantiated he should have substantiated we should have substantiated you should have substantiated they should have substantiated	I should have been substantiating you should have been substantiating he should have been substantiating we should have been substantiating you should have been substantiating they should have been substantiating

Negation

Simple form	V-ing form
I should not substantiate you should not substantiate he should not substantiate we should not substantiate you should not substantiate they should not substantiate	I should not be substantiating you should not be substantiating he should not be substantiating we should not be substantiating you should not be substantiating they should not be substantiating
Perfect	V-ing perfect
I should not have substantiated you should not have substantiated he should not have substantiated we should not have substantiated you should not have substantiated they should not have substantiated	I should not have been substantiating you should not have been substantiating he should not have been substantiating we should not have been substantiating you should not have been substantiating they should not have been substantiating

Interrogative form

Simple form	V-ing form
should I substantiate? should you substantiate? should he substantiate? should we substantiate? should you substantiate? should they substantiate?	should I be substantiating? should you be substantiating? should he be substantiating? should we be substantiating? should you be substantiating? should they be substantiating?
Perfect	V-ing perfect
should I have substantiated? should you have substantiated? should he have substantiated? should we have substantiated? should you have substantiated? should they have substantiated?	should I have been substantiating? should you have been substantiating? should he have been substantiating? should we have been substantiating? should you have been substantiating? should they have been substantiating?

Interro-negative form

Simple form	V-ing form
should I not substantiate? should you not substantiate? should he not substantiate? should we not substantiate? should you not substantiate? should they not substantiate?	should I not be substantiating? should you not be substantiating? should he not be substantiating? should we not be substantiating? should you not be substantiating? should they not be substantiating?
Perfect	V-ing perfect
should I not have substantiated? should you not have substantiated? should he not have substantiated? should we not have substantiated? should you not have substantiated? should they not have substantiated?	should I not have been substantiating? should you not have been substantiating? should he not have been substantiating? should we not have been substantiating? should you not have been substantiating? should they not have been substantiating?