English verb conjugation
COULD REDD

Regular verb: redd - redded - redded

Affirmation

Simple form	V-ing form
I could redd you could redd she could redd we could redd you could redd they could redd	I could be redding you could be redding she could be redding we could be redding you could be redding they could be redding
Perfect	V-ing perfect
I could have redded you could have redded she could have redded we could have redded you could have redded they could have redded	I could have been redding you could have been redding she could have been redding we could have been redding you could have been redding they could have been redding

Negation

Simple form	V-ing form
I could not redd you could not redd she could not redd we could not redd you could not redd they could not redd	I could not be redding you could not be redding she could not be redding we could not be redding you could not be redding they could not be redding
Perfect	V-ing perfect
I could not have redded you could not have redded she could not have redded we could not have redded you could not have redded they could not have redded	I could not have been redding you could not have been redding she could not have been redding we could not have been redding you could not have been redding they could not have been redding

Interrogative form

Simple form	V-ing form
could I redd? could you redd? could she redd? could we redd? could you redd? could they redd?	could I be redding? could you be redding? could she be redding? could we be redding? could you be redding? could they be redding?
Perfect	V-ing perfect
could I have redded? could you have redded? could she have redded? could we have redded? could you have redded? could they have redded?	could I have been redding? could you have been redding? could she have been redding? could we have been redding? could you have been redding? could they have been redding?

Interro-negative form

Simple form	V-ing form
could I not redd? could you not redd? could she not redd? could we not redd? could you not redd? could they not redd?	could I not be redding? could you not be redding? could she not be redding? could we not be redding? could you not be redding? could they not be redding?
Perfect	V-ing perfect
could I not have redded? could you not have redded? could she not have redded? could we not have redded? could you not have redded? could they not have redded?	could I not have been redding? could you not have been redding? could she not have been redding? could we not have been redding? could you not have been redding? could they not have been redding?