English verb conjugation
SHOULD UNZIP

Regular verb: unzip - unziped - unziped

Affirmation

Simple form	V-ing form
I'd unzip you'd unzip she'd unzip we'd unzip you'd unzip they'd unzip	I'd be unziping you'd be unziping she'd be unziping we'd be unziping you'd be unziping they'd be unziping
Perfect	V-ing perfect
I should've unziped you should've unziped she should've unziped we should've unziped you should've unziped they should've unziped	I should've been unziping you should've been unziping she should've been unziping we should've been unziping you should've been unziping they should've been unziping

Negation

Simple form	V-ing form
I shouldn't unzip you shouldn't unzip she shouldn't unzip we shouldn't unzip you shouldn't unzip they shouldn't unzip	I shouldn't be unziping you shouldn't be unziping she shouldn't be unziping we shouldn't be unziping you shouldn't be unziping they shouldn't be unziping
Perfect	V-ing perfect
I shouldn't have unziped you shouldn't have unziped she shouldn't have unziped we shouldn't have unziped you shouldn't have unziped they shouldn't have unziped	I shouldn't have been unziping you shouldn't have been unziping she shouldn't have been unziping we shouldn't have been unziping you shouldn't have been unziping they shouldn't have been unziping

Interrogative form

Simple form	V-ing form
should I unzip? should you unzip? should she unzip? should we unzip? should you unzip? should they unzip?	should I be unziping? should you be unziping? should she be unziping? should we be unziping? should you be unziping? should they be unziping?
Perfect	V-ing perfect
should I have unziped? should you have unziped? should she have unziped? should we have unziped? should you have unziped? should they have unziped?	should I have been unziping? should you have been unziping? should she have been unziping? should we have been unziping? should you have been unziping? should they have been unziping?

Interro-negative form

Simple form	V-ing form
shouldn't I unzip? shouldn't you unzip? shouldn't she unzip? shouldn't we unzip? shouldn't you unzip? shouldn't they unzip?	shouldn't I be unziping? shouldn't you be unziping? shouldn't she be unziping? shouldn't we be unziping? shouldn't you be unziping? shouldn't they be unziping?
Perfect	V-ing perfect
shouldn't I have unziped? shouldn't you have unziped? shouldn't she have unziped? shouldn't we have unziped? shouldn't you have unziped? shouldn't they have unziped?	shouldn't I have been unziping? shouldn't you have been unziping? shouldn't she have been unziping? shouldn't we have been unziping? shouldn't you have been unziping? shouldn't they have been unziping?