I can borrow you can borrow she can borrow we can borrow you can borrow they can borrow
V-ing form
I can be borrowing you can be borrowing she can be borrowing we can be borrowing you can be borrowing they can be borrowing
Perfect
I can have borrowed you can have borrowed she can have borrowed we can have borrowed you can have borrowed they can have borrowed
V-ing perfect
I can have been borrowing you can have been borrowing she can have been borrowing we can have been borrowing you can have been borrowing they can have been borrowing
Negation
Simple form
I cannot borrow you cannot borrow she cannot borrow we cannot borrow you cannot borrow they cannot borrow
V-ing form
I cannot be borrowing you cannot be borrowing she cannot be borrowing we cannot be borrowing you cannot be borrowing they cannot be borrowing
Perfect
I cannot have borrowed you cannot have borrowed she cannot have borrowed we cannot have borrowed you cannot have borrowed they cannot have borrowed
V-ing perfect
I cannot have been borrowing you cannot have been borrowing she cannot have been borrowing we cannot have been borrowing you cannot have been borrowing they cannot have been borrowing
Interrogative form
Simple form
can I borrow? can you borrow? can she borrow? can we borrow? can you borrow? can they borrow?
V-ing form
can I be borrowing? can you be borrowing? can she be borrowing? can we be borrowing? can you be borrowing? can they be borrowing?
Perfect
can I have borrowed? can you have borrowed? can she have borrowed? can we have borrowed? can you have borrowed? can they have borrowed?
V-ing perfect
can I have been borrowing? can you have been borrowing? can she have been borrowing? can we have been borrowing? can you have been borrowing? can they have been borrowing?
Interro-negative form
Simple form
can I not borrow? can you not borrow? can she not borrow? can we not borrow? can you not borrow? can they not borrow?
V-ing form
can I not be borrowing? can you not be borrowing? can she not be borrowing? can we not be borrowing? can you not be borrowing? can they not be borrowing?
Perfect
can I not have borrowed? can you not have borrowed? can she not have borrowed? can we not have borrowed? can you not have borrowed? can they not have borrowed?
V-ing perfect
can I not have been borrowing? can you not have been borrowing? can she not have been borrowing? can we not have been borrowing? can you not have been borrowing? can they not have been borrowing?