should grave
Regular verb: grave - graved- graved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?