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 cannot wear you cannot wear he cannot wear we cannot wear you cannot wear they cannot wear
V-ing form
I cannot be wearing you cannot be wearing he cannot be wearing we cannot be wearing you cannot be wearing they cannot be wearing
Perfect
I cannot have worn you cannot have worn he cannot have worn we cannot have worn you cannot have worn they cannot have worn
V-ing perfect
I cannot have been wearing you cannot have been wearing he cannot have been wearing we cannot have been wearing you cannot have been wearing they cannot 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 I not wear? can you not wear? can he not wear? can we not wear? can you not wear? can they not wear?
V-ing form
can I not be wearing? can you not be wearing? can he not be wearing? can we not be wearing? can you not be wearing? can they not be wearing?
Perfect
can I not have worn? can you not have worn? can he not have worn? can we not have worn? can you not have worn? can they not have worn?
V-ing perfect
can I not have been wearing? can you not have been wearing? can he not have been wearing? can we not have been wearing? can you not have been wearing? can they not have been wearing?