I can redo you can redo she can redo we can redo you can redo they can redo
V-ing form
I can be redoing you can be redoing she can be redoing we can be redoing you can be redoing they can be redoing
Perfect
I can have redone you can have redone she can have redone we can have redone you can have redone they can have redone
V-ing perfect
I can have been redoing you can have been redoing she can have been redoing we can have been redoing you can have been redoing they can have been redoing
Negation
Simple form
I can't redo you can't redo she can't redo we can't redo you can't redo they can't redo
V-ing form
I can't be redoing you can't be redoing she can't be redoing we can't be redoing you can't be redoing they can't be redoing
Perfect
I can't have redone you can't have redone she can't have redone we can't have redone you can't have redone they can't have redone
V-ing perfect
I can't have been redoing you can't have been redoing she can't have been redoing we can't have been redoing you can't have been redoing they can't have been redoing
Interrogative form
Simple form
can I redo? can you redo? can she redo? can we redo? can you redo? can they redo?
V-ing form
can I be redoing? can you be redoing? can she be redoing? can we be redoing? can you be redoing? can they be redoing?
Perfect
can I have redone? can you have redone? can she have redone? can we have redone? can you have redone? can they have redone?
V-ing perfect
can I have been redoing? can you have been redoing? can she have been redoing? can we have been redoing? can you have been redoing? can they have been redoing?
Interro-negative form
Simple form
can't I redo? can't you redo? can't she redo? can't we redo? can't you redo? can't they redo?
V-ing form
can't I be redoing? can't you be redoing? can't she be redoing? can't we be redoing? can't you be redoing? can't they be redoing?
Perfect
can't I have redone? can't you have redone? can't she have redone? can't we have redone? can't you have redone? can't they have redone?
V-ing perfect
can't I have been redoing? can't you have been redoing? can't she have been redoing? can't we have been redoing? can't you have been redoing? can't they have been redoing?