English verb conjugation
CAN REDD

Regular verb: redd - redded - redded

Affirmation

Simple form	V-ing form
I can redd you can redd he can redd we can redd you can redd they can redd	I can be redding you can be redding he 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 he 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 he 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 he 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 he 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 he 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 he 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 he redd? can we redd? can you redd? can they redd?	can I be redding? can you be redding? can he 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 he 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 he 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 he 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 he 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 he 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 he have been redding? can't we have been redding? can't you have been redding? can't they have been redding?