English verb conjugation
COULD REDUB

Regular verb: redub - redubed - redubed

Affirmation

Simple form	V-ing form
I could redub you could redub he could redub we could redub you could redub they could redub	I could be redubing you could be redubing he could be redubing we could be redubing you could be redubing they could be redubing
Perfect	V-ing perfect
I could have redubed you could have redubed he could have redubed we could have redubed you could have redubed they could have redubed	I could have been redubing you could have been redubing he could have been redubing we could have been redubing you could have been redubing they could have been redubing

Negation

Simple form	V-ing form
I could not redub you could not redub he could not redub we could not redub you could not redub they could not redub	I could not be redubing you could not be redubing he could not be redubing we could not be redubing you could not be redubing they could not be redubing
Perfect	V-ing perfect
I could not have redubed you could not have redubed he could not have redubed we could not have redubed you could not have redubed they could not have redubed	I could not have been redubing you could not have been redubing he could not have been redubing we could not have been redubing you could not have been redubing they could not have been redubing

Interrogative form

Simple form	V-ing form
could I redub? could you redub? could he redub? could we redub? could you redub? could they redub?	could I be redubing? could you be redubing? could he be redubing? could we be redubing? could you be redubing? could they be redubing?
Perfect	V-ing perfect
could I have redubed? could you have redubed? could he have redubed? could we have redubed? could you have redubed? could they have redubed?	could I have been redubing? could you have been redubing? could he have been redubing? could we have been redubing? could you have been redubing? could they have been redubing?

Interro-negative form

Simple form	V-ing form
could I not redub? could you not redub? could he not redub? could we not redub? could you not redub? could they not redub?	could I not be redubing? could you not be redubing? could he not be redubing? could we not be redubing? could you not be redubing? could they not be redubing?
Perfect	V-ing perfect
could I not have redubed? could you not have redubed? could he not have redubed? could we not have redubed? could you not have redubed? could they not have redubed?	could I not have been redubing? could you not have been redubing? could he not have been redubing? could we not have been redubing? could you not have been redubing? could they not have been redubing?