English verb conjugation
SHOULD GRAY

Regular verb: gray - grayed - grayed

Affirmation

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