English verb conjugation
COULD FLUX

Regular verb: flux - fluxed - fluxed

Affirmation

Simple form	V-ing form
I could flux you could flux he could flux we could flux you could flux they could flux	I could be fluxing you could be fluxing he could be fluxing we could be fluxing you could be fluxing they could be fluxing
Perfect	V-ing perfect
I could have fluxed you could have fluxed he could have fluxed we could have fluxed you could have fluxed they could have fluxed	I could have been fluxing you could have been fluxing he could have been fluxing we could have been fluxing you could have been fluxing they could have been fluxing

Negation

Simple form	V-ing form
I could not flux you could not flux he could not flux we could not flux you could not flux they could not flux	I could not be fluxing you could not be fluxing he could not be fluxing we could not be fluxing you could not be fluxing they could not be fluxing
Perfect	V-ing perfect
I could not have fluxed you could not have fluxed he could not have fluxed we could not have fluxed you could not have fluxed they could not have fluxed	I could not have been fluxing you could not have been fluxing he could not have been fluxing we could not have been fluxing you could not have been fluxing they could not have been fluxing

Interrogative form

Simple form	V-ing form
could I flux? could you flux? could he flux? could we flux? could you flux? could they flux?	could I be fluxing? could you be fluxing? could he be fluxing? could we be fluxing? could you be fluxing? could they be fluxing?
Perfect	V-ing perfect
could I have fluxed? could you have fluxed? could he have fluxed? could we have fluxed? could you have fluxed? could they have fluxed?	could I have been fluxing? could you have been fluxing? could he have been fluxing? could we have been fluxing? could you have been fluxing? could they have been fluxing?

Interro-negative form

Simple form	V-ing form
could I not flux? could you not flux? could he not flux? could we not flux? could you not flux? could they not flux?	could I not be fluxing? could you not be fluxing? could he not be fluxing? could we not be fluxing? could you not be fluxing? could they not be fluxing?
Perfect	V-ing perfect
could I not have fluxed? could you not have fluxed? could he not have fluxed? could we not have fluxed? could you not have fluxed? could they not have fluxed?	could I not have been fluxing? could you not have been fluxing? could he not have been fluxing? could we not have been fluxing? could you not have been fluxing? could they not have been fluxing?