English verb conjugation
COULD REMODIFY

Regular verb: remodify - remodified - remodified

Affirmation

Simple form	V-ing form
I could remodify you could remodify he could remodify we could remodify you could remodify they could remodify	I could be remodifying you could be remodifying he could be remodifying we could be remodifying you could be remodifying they could be remodifying
Perfect	V-ing perfect
I could have remodified you could have remodified he could have remodified we could have remodified you could have remodified they could have remodified	I could have been remodifying you could have been remodifying he could have been remodifying we could have been remodifying you could have been remodifying they could have been remodifying

Negation

Simple form	V-ing form
I could not remodify you could not remodify he could not remodify we could not remodify you could not remodify they could not remodify	I could not be remodifying you could not be remodifying he could not be remodifying we could not be remodifying you could not be remodifying they could not be remodifying
Perfect	V-ing perfect
I could not have remodified you could not have remodified he could not have remodified we could not have remodified you could not have remodified they could not have remodified	I could not have been remodifying you could not have been remodifying he could not have been remodifying we could not have been remodifying you could not have been remodifying they could not have been remodifying

Interrogative form

Simple form	V-ing form
could I remodify? could you remodify? could he remodify? could we remodify? could you remodify? could they remodify?	could I be remodifying? could you be remodifying? could he be remodifying? could we be remodifying? could you be remodifying? could they be remodifying?
Perfect	V-ing perfect
could I have remodified? could you have remodified? could he have remodified? could we have remodified? could you have remodified? could they have remodified?	could I have been remodifying? could you have been remodifying? could he have been remodifying? could we have been remodifying? could you have been remodifying? could they have been remodifying?

Interro-negative form

Simple form	V-ing form
could I not remodify? could you not remodify? could he not remodify? could we not remodify? could you not remodify? could they not remodify?	could I not be remodifying? could you not be remodifying? could he not be remodifying? could we not be remodifying? could you not be remodifying? could they not be remodifying?
Perfect	V-ing perfect
could I not have remodified? could you not have remodified? could he not have remodified? could we not have remodified? could you not have remodified? could they not have remodified?	could I not have been remodifying? could you not have been remodifying? could he not have been remodifying? could we not have been remodifying? could you not have been remodifying? could they not have been remodifying?