I can wear you can wear he can wear we can wear you can wear they can wear
V-ing form
I can be wearing you can be wearing he can be wearing we can be wearing you can be wearing they can be wearing
Perfect
I can have worn you can have worn he can have worn we can have worn you can have worn they can have worn
V-ing perfect
I can have been wearing you can have been wearing he can have been wearing we can have been wearing you can have been wearing they can have been wearing
Negation
Simple form
I can't wear you can't wear he can't wear we can't wear you can't wear they can't wear
V-ing form
I can't be wearing you can't be wearing he can't be wearing we can't be wearing you can't be wearing they can't be wearing
Perfect
I can't have worn you can't have worn he can't have worn we can't have worn you can't have worn they can't have worn
V-ing perfect
I can't have been wearing you can't have been wearing he can't have been wearing we can't have been wearing you can't have been wearing they can't have been wearing
Interrogative form
Simple form
can I wear? can you wear? can he wear? can we wear? can you wear? can they wear?
V-ing form
can I be wearing? can you be wearing? can he be wearing? can we be wearing? can you be wearing? can they be wearing?
Perfect
can I have worn? can you have worn? can he have worn? can we have worn? can you have worn? can they have worn?
V-ing perfect
can I have been wearing? can you have been wearing? can he have been wearing? can we have been wearing? can you have been wearing? can they have been wearing?
Interro-negative form
Simple form
can't I wear? can't you wear? can't he wear? can't we wear? can't you wear? can't they wear?
V-ing form
can't I be wearing? can't you be wearing? can't he be wearing? can't we be wearing? can't you be wearing? can't they be wearing?
Perfect
can't I have worn? can't you have worn? can't he have worn? can't we have worn? can't you have worn? can't they have worn?
V-ing perfect
can't I have been wearing? can't you have been wearing? can't he have been wearing? can't we have been wearing? can't you have been wearing? can't they have been wearing?