English verb conjugation
SHOULD GRAY

Regular verb: gray - grayed - grayed

Affirmation

Simple form	V-ing form
I'd gray you'd gray he'd gray we'd gray you'd gray they'd gray	I'd be graying you'd be graying he'd be graying we'd be graying you'd be graying they'd be graying
Perfect	V-ing perfect
I should've grayed you should've grayed he should've grayed we should've grayed you should've grayed they should've grayed	I should've been graying you should've been graying he should've been graying we should've been graying you should've been graying they should've been graying

Negation

Simple form	V-ing form
I shouldn't gray you shouldn't gray he shouldn't gray we shouldn't gray you shouldn't gray they shouldn't gray	I shouldn't be graying you shouldn't be graying he shouldn't be graying we shouldn't be graying you shouldn't be graying they shouldn't be graying
Perfect	V-ing perfect
I shouldn't have grayed you shouldn't have grayed he shouldn't have grayed we shouldn't have grayed you shouldn't have grayed they shouldn't have grayed	I shouldn't have been graying you shouldn't have been graying he shouldn't have been graying we shouldn't have been graying you shouldn't have been graying they shouldn't have been graying

Interrogative form

Simple form	V-ing form
should I gray? should you gray? should he gray? should we gray? should you gray? should they gray?	should I be graying? should you be graying? should he be graying? should we be graying? should you be graying? should they be graying?
Perfect	V-ing perfect
should I have grayed? should you have grayed? should he have grayed? should we have grayed? should you have grayed? should they have grayed?	should I have been graying? should you have been graying? should he have been graying? should we have been graying? should you have been graying? should they have been graying?

Interro-negative form

Simple form	V-ing form
shouldn't I gray? shouldn't you gray? shouldn't he gray? shouldn't we gray? shouldn't you gray? shouldn't they gray?	shouldn't I be graying? shouldn't you be graying? shouldn't he be graying? shouldn't we be graying? shouldn't you be graying? shouldn't they be graying?
Perfect	V-ing perfect
shouldn't I have grayed? shouldn't you have grayed? shouldn't he have grayed? shouldn't we have grayed? shouldn't you have grayed? shouldn't they have grayed?	shouldn't I have been graying? shouldn't you have been graying? shouldn't he have been graying? shouldn't we have been graying? shouldn't you have been graying? shouldn't they have been graying?