English verb conjugation
SHOULD GRAVE

Regular verb: grave - graved - graved

Affirmation

Simple form	V-ing form
I'd grave you'd grave she'd grave we'd grave you'd grave they'd grave	I'd be graving you'd be graving she'd be graving we'd be graving you'd be graving they'd be graving
Perfect	V-ing perfect
I should've graved you should've graved she should've graved we should've graved you should've graved they should've graved	I should've been graving you should've been graving she should've been graving we should've been graving you should've been graving they should've been graving

Negation

Simple form	V-ing form
I shouldn't grave you shouldn't grave she shouldn't grave we shouldn't grave you shouldn't grave they shouldn't grave	I shouldn't be graving you shouldn't be graving she shouldn't be graving we shouldn't be graving you shouldn't be graving they shouldn't be graving
Perfect	V-ing perfect
I shouldn't have graved you shouldn't have graved she shouldn't have graved we shouldn't have graved you shouldn't have graved they shouldn't have graved	I shouldn't have been graving you shouldn't have been graving she shouldn't have been graving we shouldn't have been graving you shouldn't have been graving they shouldn't have been graving

Interrogative form

Simple form	V-ing form
should I grave? should you grave? should she grave? should we grave? should you grave? should they grave?	should I be graving? should you be graving? should she be graving? should we be graving? should you be graving? should they be graving?
Perfect	V-ing perfect
should I have graved? should you have graved? should she have graved? should we have graved? should you have graved? should they have graved?	should I have been graving? should you have been graving? should she have been graving? should we have been graving? should you have been graving? should they have been graving?

Interro-negative form

Simple form	V-ing form
shouldn't I grave? shouldn't you grave? shouldn't she grave? shouldn't we grave? shouldn't you grave? shouldn't they grave?	shouldn't I be graving? shouldn't you be graving? shouldn't she be graving? shouldn't we be graving? shouldn't you be graving? shouldn't they be graving?
Perfect	V-ing perfect
shouldn't I have graved? shouldn't you have graved? shouldn't she have graved? shouldn't we have graved? shouldn't you have graved? shouldn't they have graved?	shouldn't I have been graving? shouldn't you have been graving? shouldn't she have been graving? shouldn't we have been graving? shouldn't you have been graving? shouldn't they have been graving?