I can shoe you can shoe she can shoe we can shoe you can shoe they can shoe
V-ing form
I can be shoing you can be shoing she can be shoing we can be shoing you can be shoing they can be shoing
Perfect
I can have shod, shoed you can have shod, shoed she can have shod, shoed we can have shod, shoed you can have shod, shoed they can have shod, shoed
V-ing perfect
I can have been shoing you can have been shoing she can have been shoing we can have been shoing you can have been shoing they can have been shoing
Negation
Simple form
I can't shoe you can't shoe she can't shoe we can't shoe you can't shoe they can't shoe
V-ing form
I can't be shoing you can't be shoing she can't be shoing we can't be shoing you can't be shoing they can't be shoing
Perfect
I can't have shod, shoed you can't have shod, shoed she can't have shod, shoed we can't have shod, shoed you can't have shod, shoed they can't have shod, shoed
V-ing perfect
I can't have been shoing you can't have been shoing she can't have been shoing we can't have been shoing you can't have been shoing they can't have been shoing
Interrogative form
Simple form
can I shoe? can you shoe? can she shoe? can we shoe? can you shoe? can they shoe?
V-ing form
can I be shoing? can you be shoing? can she be shoing? can we be shoing? can you be shoing? can they be shoing?
Perfect
can I have shod, shoed? can you have shod, shoed? can she have shod, shoed? can we have shod, shoed? can you have shod, shoed? can they have shod, shoed?
V-ing perfect
can I have been shoing? can you have been shoing? can she have been shoing? can we have been shoing? can you have been shoing? can they have been shoing?
Interro-negative form
Simple form
can't I shoe? can't you shoe? can't she shoe? can't we shoe? can't you shoe? can't they shoe?
V-ing form
can't I be shoing? can't you be shoing? can't she be shoing? can't we be shoing? can't you be shoing? can't they be shoing?
Perfect
can't I have shod, shoed? can't you have shod, shoed? can't she have shod, shoed? can't we have shod, shoed? can't you have shod, shoed? can't they have shod, shoed?
V-ing perfect
can't I have been shoing? can't you have been shoing? can't she have been shoing? can't we have been shoing? can't you have been shoing? can't they have been shoing?