ought to engrave
Regular verb: engrave - engraved- engraved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to engrave
you ought to engrave
he ought to engrave
we ought to engrave
you ought to engrave
they ought to engrave 	I ought to be engraving
you ought to be engraving
he ought to be engraving
we ought to be engraving
you ought to be engraving
they ought to be engraving	I ought to have engraved
you ought to have engraved
he ought to have engraved
we ought to have engraved
you ought to have engraved
they ought to have engraved	I ought to have been engraving
you ought to have been engraving
he ought to have been engraving
we ought to have been engraving
you ought to have been engraving
they ought to have been engraving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to engrave
you oughtn't to engrave
he oughtn't to engrave
we oughtn't to engrave
you oughtn't to engrave
they oughtn't to engrave 	I oughtn't to be engraving
you oughtn't to be engraving
he oughtn't to be engraving
we oughtn't to be engraving
you oughtn't to be engraving
they oughtn't to be engraving	I oughtn't to have engraved
you oughtn't to have engraved
he oughtn't to have engraved
we oughtn't to have engraved
you oughtn't to have engraved
they oughtn't to have engraved	I oughtn't to have been engraving
you oughtn't to have been engraving
he oughtn't to have been engraving
we oughtn't to have been engraving
you oughtn't to have been engraving
they oughtn't to have been engraving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I engrave?
ought to you engrave?
ought to he engrave?
ought to we engrave?
ought to you engrave?
ought to they engrave? 	ought to I be engraving?
ought to you be engraving?
ought to he be engraving?
ought to we be engraving?
ought to you be engraving?
ought to they be engraving? 	ought to I have engraved?
ought to you have engraved?
ought to he have engraved?
ought to we have engraved?
ought to you have engraved?
ought to they have engraved? 	ought to I have been engraving?
ought to you have been engraving?
ought to he have been engraving?
ought to we have been engraving?
ought to you have been engraving?
ought to they have been engraving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to engrave?
oughtn't you to engrave?
oughtn't he to engrave?
oughtn't we to engrave?
oughtn't you to engrave?
oughtn't they to engrave? 	oughtn't I to be engraving?
oughtn't you to be engraving?
oughtn't he to be engraving?
oughtn't we to be engraving?
oughtn't you to be engraving?
oughtn't they to be engraving? 	oughtn't I to have engraved?
oughtn't you to have engraved?
oughtn't he to have engraved?
oughtn't we to have engraved?
oughtn't you to have engraved?
oughtn't they to have engraved? 	oughtn't I to have been engraving?
oughtn't you to have been engraving?
oughtn't he to have been engraving?
oughtn't we to have been engraving?
oughtn't you to have been engraving?
oughtn't they to have been engraving?