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 can't redd you can't redd she can't redd we can't redd you can't redd they can't redd	I can't be redding you can't be redding she can't be redding we can't be redding you can't be redding they can't be redding
Perfect	V-ing perfect
I can't have redded you can't have redded she can't have redded we can't have redded you can't have redded they can't have redded	I can't have been redding you can't have been redding she can't have been redding we can't have been redding you can't have been redding they can't 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't I redd? can't you redd? can't she redd? can't we redd? can't you redd? can't they redd?	can't I be redding? can't you be redding? can't she be redding? can't we be redding? can't you be redding? can't they be redding?
Perfect	V-ing perfect
can't I have redded? can't you have redded? can't she have redded? can't we have redded? can't you have redded? can't they have redded?	can't I have been redding? can't you have been redding? can't she have been redding? can't we have been redding? can't you have been redding? can't they have been redding?