English verb conjugation
SHOULD ZERO

Regular verb: zero - zeroed - zeroed

Affirmation

Simple form	V-ing form
I'd zero you'd zero she'd zero we'd zero you'd zero they'd zero	I'd be zeroing you'd be zeroing she'd be zeroing we'd be zeroing you'd be zeroing they'd be zeroing
Perfect	V-ing perfect
I should've zeroed you should've zeroed she should've zeroed we should've zeroed you should've zeroed they should've zeroed	I should've been zeroing you should've been zeroing she should've been zeroing we should've been zeroing you should've been zeroing they should've been zeroing

Negation

Simple form	V-ing form
I shouldn't zero you shouldn't zero she shouldn't zero we shouldn't zero you shouldn't zero they shouldn't zero	I shouldn't be zeroing you shouldn't be zeroing she shouldn't be zeroing we shouldn't be zeroing you shouldn't be zeroing they shouldn't be zeroing
Perfect	V-ing perfect
I shouldn't have zeroed you shouldn't have zeroed she shouldn't have zeroed we shouldn't have zeroed you shouldn't have zeroed they shouldn't have zeroed	I shouldn't have been zeroing you shouldn't have been zeroing she shouldn't have been zeroing we shouldn't have been zeroing you shouldn't have been zeroing they shouldn't have been zeroing

Interrogative form

Simple form	V-ing form
should I zero? should you zero? should she zero? should we zero? should you zero? should they zero?	should I be zeroing? should you be zeroing? should she be zeroing? should we be zeroing? should you be zeroing? should they be zeroing?
Perfect	V-ing perfect
should I have zeroed? should you have zeroed? should she have zeroed? should we have zeroed? should you have zeroed? should they have zeroed?	should I have been zeroing? should you have been zeroing? should she have been zeroing? should we have been zeroing? should you have been zeroing? should they have been zeroing?

Interro-negative form

Simple form	V-ing form
shouldn't I zero? shouldn't you zero? shouldn't she zero? shouldn't we zero? shouldn't you zero? shouldn't they zero?	shouldn't I be zeroing? shouldn't you be zeroing? shouldn't she be zeroing? shouldn't we be zeroing? shouldn't you be zeroing? shouldn't they be zeroing?
Perfect	V-ing perfect
shouldn't I have zeroed? shouldn't you have zeroed? shouldn't she have zeroed? shouldn't we have zeroed? shouldn't you have zeroed? shouldn't they have zeroed?	shouldn't I have been zeroing? shouldn't you have been zeroing? shouldn't she have been zeroing? shouldn't we have been zeroing? shouldn't you have been zeroing? shouldn't they have been zeroing?