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 cannot edit you cannot edit he cannot edit we cannot edit you cannot edit they cannot edit
V-ing form
I cannot be editing you cannot be editing he cannot be editing we cannot be editing you cannot be editing they cannot be editing
Perfect
I cannot have edited you cannot have edited he cannot have edited we cannot have edited you cannot have edited they cannot have edited
V-ing perfect
I cannot have been editing you cannot have been editing he cannot have been editing we cannot have been editing you cannot have been editing they cannot 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 I not edit? can you not edit? can he not edit? can we not edit? can you not edit? can they not edit?
V-ing form
can I not be editing? can you not be editing? can he not be editing? can we not be editing? can you not be editing? can they not be editing?
Perfect
can I not have edited? can you not have edited? can he not have edited? can we not have edited? can you not have edited? can they not have edited?
V-ing perfect
can I not have been editing? can you not have been editing? can he not have been editing? can we not have been editing? can you not have been editing? can they not have been editing?