I can edit you can edit he can edit we can edit you can edit they can edit
V-ing form
I can be editing you can be editing he can be editing we can be editing you can be editing they can be editing
Perfect
I can have edited you can have edited he can have edited we can have edited you can have edited they can have edited
V-ing perfect
I can have been editing you can have been editing he can have been editing we can have been editing you can have been editing they can have been editing
Negation
Simple form
I can't edit you can't edit he can't edit we can't edit you can't edit they can't edit
V-ing form
I can't be editing you can't be editing he can't be editing we can't be editing you can't be editing they can't be editing
Perfect
I can't have edited you can't have edited he can't have edited we can't have edited you can't have edited they can't have edited
V-ing perfect
I can't have been editing you can't have been editing he can't have been editing we can't have been editing you can't have been editing they can't have been editing
Interrogative form
Simple form
can I edit? can you edit? can he edit? can we edit? can you edit? can they edit?
V-ing form
can I be editing? can you be editing? can he be editing? can we be editing? can you be editing? can they be editing?
Perfect
can I have edited? can you have edited? can he have edited? can we have edited? can you have edited? can they have edited?
V-ing perfect
can I have been editing? can you have been editing? can he have been editing? can we have been editing? can you have been editing? can they have been editing?
Interro-negative form
Simple form
can't I edit? can't you edit? can't he edit? can't we edit? can't you edit? can't they edit?
V-ing form
can't I be editing? can't you be editing? can't he be editing? can't we be editing? can't you be editing? can't they be editing?
Perfect
can't I have edited? can't you have edited? can't he have edited? can't we have edited? can't you have edited? can't they have edited?
V-ing perfect
can't I have been editing? can't you have been editing? can't he have been editing? can't we have been editing? can't you have been editing? can't they have been editing?