English verb conjugation
SHOULD BORROW

Regular verb: borrow - borrowed - borrowed

Affirmation

Simple form	V-ing form
I'd borrow you'd borrow she'd borrow we'd borrow you'd borrow they'd borrow	I'd be borrowing you'd be borrowing she'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 she 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 she 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 she 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 she 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 she 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 she 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 she borrow? should we borrow? should you borrow? should they borrow?	should I be borrowing? should you be borrowing? should she 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 she 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 she 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 she 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 she 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 she 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 she have been borrowing? shouldn't we have been borrowing? shouldn't you have been borrowing? shouldn't they have been borrowing?