English verb conjugation
SHOULD GRAVE

Regular verb: grave - graved - graved

Affirmation

Simple form	V-ing form
I'd grave you'd grave he'd grave we'd grave you'd grave they'd grave	I'd be graving you'd be graving he'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 he 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 he 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 he 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 he 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 he 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 he 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 he grave? should we grave? should you grave? should they grave?	should I be graving? should you be graving? should he 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 he 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 he 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 he 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 he 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 he 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 he have been graving? shouldn't we have been graving? shouldn't you have been graving? shouldn't they have been graving?