English verb conjugation
COULD BORROW

Regular verb: borrow - borrowed - borrowed

Affirmation

Simple form	V-ing form
I could borrow you could borrow she could borrow we could borrow you could borrow they could borrow	I could be borrowing you could be borrowing she could be borrowing we could be borrowing you could be borrowing they could be borrowing
Perfect	V-ing perfect
I could have borrowed you could have borrowed she could have borrowed we could have borrowed you could have borrowed they could have borrowed	I could have been borrowing you could have been borrowing she could have been borrowing we could have been borrowing you could have been borrowing they could have been borrowing

Negation

Simple form	V-ing form
I could not borrow you could not borrow she could not borrow we could not borrow you could not borrow they could not borrow	I could not be borrowing you could not be borrowing she could not be borrowing we could not be borrowing you could not be borrowing they could not be borrowing
Perfect	V-ing perfect
I could not have borrowed you could not have borrowed she could not have borrowed we could not have borrowed you could not have borrowed they could not have borrowed	I could not have been borrowing you could not have been borrowing she could not have been borrowing we could not have been borrowing you could not have been borrowing they could not have been borrowing

Interrogative form

Simple form	V-ing form
could I borrow? could you borrow? could she borrow? could we borrow? could you borrow? could they borrow?	could I be borrowing? could you be borrowing? could she be borrowing? could we be borrowing? could you be borrowing? could they be borrowing?
Perfect	V-ing perfect
could I have borrowed? could you have borrowed? could she have borrowed? could we have borrowed? could you have borrowed? could they have borrowed?	could I have been borrowing? could you have been borrowing? could she have been borrowing? could we have been borrowing? could you have been borrowing? could they have been borrowing?

Interro-negative form

Simple form	V-ing form
could I not borrow? could you not borrow? could she not borrow? could we not borrow? could you not borrow? could they not borrow?	could I not be borrowing? could you not be borrowing? could she not be borrowing? could we not be borrowing? could you not be borrowing? could they not be borrowing?
Perfect	V-ing perfect
could I not have borrowed? could you not have borrowed? could she not have borrowed? could we not have borrowed? could you not have borrowed? could they not have borrowed?	could I not have been borrowing? could you not have been borrowing? could she not have been borrowing? could we not have been borrowing? could you not have been borrowing? could they not have been borrowing?