English verb conjugation
CAN REDD

Regular verb: redd - redded - redded

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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