English verb conjugation
SHOULD BORROW

Regular verb: borrow - borrowed - borrowed

Affirmation

Simple form	V-ing form
I'd borrow you'd borrow he'd borrow we'd borrow you'd borrow they'd borrow	I'd be borrowing you'd be borrowing he'd be borrowing we'd be borrowing you'd be borrowing they'd be borrowing
Perfect	V-ing perfect
I should've borrowed you should've borrowed he should've borrowed we should've borrowed you should've borrowed they should've borrowed	I should've been borrowing you should've been borrowing he should've been borrowing we should've been borrowing you should've been borrowing they should've been borrowing

Negation

Simple form	V-ing form
I shouldn't borrow you shouldn't borrow he shouldn't borrow we shouldn't borrow you shouldn't borrow they shouldn't borrow	I shouldn't be borrowing you shouldn't be borrowing he shouldn't be borrowing we shouldn't be borrowing you shouldn't be borrowing they shouldn't be borrowing
Perfect	V-ing perfect
I shouldn't have borrowed you shouldn't have borrowed he shouldn't have borrowed we shouldn't have borrowed you shouldn't have borrowed they shouldn't have borrowed	I shouldn't have been borrowing you shouldn't have been borrowing he shouldn't have been borrowing we shouldn't have been borrowing you shouldn't have been borrowing they shouldn't have been borrowing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
shouldn't I borrow? shouldn't you borrow? shouldn't he borrow? shouldn't we borrow? shouldn't you borrow? shouldn't they borrow?	shouldn't I be borrowing? shouldn't you be borrowing? shouldn't he be borrowing? shouldn't we be borrowing? shouldn't you be borrowing? shouldn't they be borrowing?
Perfect	V-ing perfect
shouldn't I have borrowed? shouldn't you have borrowed? shouldn't he have borrowed? shouldn't we have borrowed? shouldn't you have borrowed? shouldn't they have borrowed?	shouldn't I have been borrowing? shouldn't you have been borrowing? shouldn't he have been borrowing? shouldn't we have been borrowing? shouldn't you have been borrowing? shouldn't they have been borrowing?