English verb conjugation
COULD REVIVIFY

Regular verb: revivify - revivified - revivified

Affirmation

Simple form	V-ing form
I could revivify you could revivify he could revivify we could revivify you could revivify they could revivify	I could be revivifying you could be revivifying he could be revivifying we could be revivifying you could be revivifying they could be revivifying
Perfect	V-ing perfect
I could have revivified you could have revivified he could have revivified we could have revivified you could have revivified they could have revivified	I could have been revivifying you could have been revivifying he could have been revivifying we could have been revivifying you could have been revivifying they could have been revivifying

Negation

Simple form	V-ing form
I could not revivify you could not revivify he could not revivify we could not revivify you could not revivify they could not revivify	I could not be revivifying you could not be revivifying he could not be revivifying we could not be revivifying you could not be revivifying they could not be revivifying
Perfect	V-ing perfect
I could not have revivified you could not have revivified he could not have revivified we could not have revivified you could not have revivified they could not have revivified	I could not have been revivifying you could not have been revivifying he could not have been revivifying we could not have been revivifying you could not have been revivifying they could not have been revivifying

Interrogative form

Simple form	V-ing form
could I revivify? could you revivify? could he revivify? could we revivify? could you revivify? could they revivify?	could I be revivifying? could you be revivifying? could he be revivifying? could we be revivifying? could you be revivifying? could they be revivifying?
Perfect	V-ing perfect
could I have revivified? could you have revivified? could he have revivified? could we have revivified? could you have revivified? could they have revivified?	could I have been revivifying? could you have been revivifying? could he have been revivifying? could we have been revivifying? could you have been revivifying? could they have been revivifying?

Interro-negative form

Simple form	V-ing form
could I not revivify? could you not revivify? could he not revivify? could we not revivify? could you not revivify? could they not revivify?	could I not be revivifying? could you not be revivifying? could he not be revivifying? could we not be revivifying? could you not be revivifying? could they not be revivifying?
Perfect	V-ing perfect
could I not have revivified? could you not have revivified? could he not have revivified? could we not have revivified? could you not have revivified? could they not have revivified?	could I not have been revivifying? could you not have been revivifying? could he not have been revivifying? could we not have been revivifying? could you not have been revivifying? could they not have been revivifying?