I can im you can im he can im we can im you can im they can im
V-ing form
I can be iming you can be iming he can be iming we can be iming you can be iming they can be iming
Perfect
I can have imed you can have imed he can have imed we can have imed you can have imed they can have imed
V-ing perfect
I can have been iming you can have been iming he can have been iming we can have been iming you can have been iming they can have been iming
Negation
Simple form
I can't im you can't im he can't im we can't im you can't im they can't im
V-ing form
I can't be iming you can't be iming he can't be iming we can't be iming you can't be iming they can't be iming
Perfect
I can't have imed you can't have imed he can't have imed we can't have imed you can't have imed they can't have imed
V-ing perfect
I can't have been iming you can't have been iming he can't have been iming we can't have been iming you can't have been iming they can't have been iming
Interrogative form
Simple form
can I im? can you im? can he im? can we im? can you im? can they im?
V-ing form
can I be iming? can you be iming? can he be iming? can we be iming? can you be iming? can they be iming?
Perfect
can I have imed? can you have imed? can he have imed? can we have imed? can you have imed? can they have imed?
V-ing perfect
can I have been iming? can you have been iming? can he have been iming? can we have been iming? can you have been iming? can they have been iming?
Interro-negative form
Simple form
can't I im? can't you im? can't he im? can't we im? can't you im? can't they im?
V-ing form
can't I be iming? can't you be iming? can't he be iming? can't we be iming? can't you be iming? can't they be iming?
Perfect
can't I have imed? can't you have imed? can't he have imed? can't we have imed? can't you have imed? can't they have imed?
V-ing perfect
can't I have been iming? can't you have been iming? can't he have been iming? can't we have been iming? can't you have been iming? can't they have been iming?