could photoengrave
Regular verb: photoengrave - photoengraved- photoengraved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could photoengrave
you could photoengrave
she could photoengrave
we could photoengrave
you could photoengrave
they could photoengrave 	I could be photoengraving
you could be photoengraving
she could be photoengraving
we could be photoengraving
you could be photoengraving
they could be photoengraving	I could have photoengraved
you could have photoengraved
she could have photoengraved
we could have photoengraved
you could have photoengraved
they could have photoengraved	I could have been photoengraving
you could have been photoengraving
she could have been photoengraving
we could have been photoengraving
you could have been photoengraving
they could have been photoengraving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't photoengrave
you couldn't photoengrave
she couldn't photoengrave
we couldn't photoengrave
you couldn't photoengrave
they couldn't photoengrave 	I couldn't be photoengraving
you couldn't be photoengraving
she couldn't be photoengraving
we couldn't be photoengraving
you couldn't be photoengraving
they couldn't be photoengraving	I couldn't have photoengraved
you couldn't have photoengraved
she couldn't have photoengraved
we couldn't have photoengraved
you couldn't have photoengraved
they couldn't have photoengraved	I couldn't have been photoengraving
you couldn't have been photoengraving
she couldn't have been photoengraving
we couldn't have been photoengraving
you couldn't have been photoengraving
they couldn't have been photoengraving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I photoengrave?
could you photoengrave?
could she photoengrave?
could we photoengrave?
could you photoengrave?
could they photoengrave? 	could I be photoengraving?
could you be photoengraving?
could she be photoengraving?
could we be photoengraving?
could you be photoengraving?
could they be photoengraving? 	could I have photoengraved?
could you have photoengraved?
could she have photoengraved?
could we have photoengraved?
could you have photoengraved?
could they have photoengraved? 	could I have been photoengraving?
could you have been photoengraving?
could she have been photoengraving?
could we have been photoengraving?
could you have been photoengraving?
could they have been photoengraving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I photoengrave?
couldn't you photoengrave?
couldn't she photoengrave?
couldn't we photoengrave?
couldn't you photoengrave?
couldn't they photoengrave? 	couldn't I be photoengraving?
couldn't you be photoengraving?
couldn't she be photoengraving?
couldn't we be photoengraving?
couldn't you be photoengraving?
couldn't they be photoengraving? 	couldn't I have photoengraved?
couldn't you have photoengraved?
couldn't she have photoengraved?
couldn't we have photoengraved?
couldn't you have photoengraved?
couldn't they have photoengraved? 	couldn't I have been photoengraving?
couldn't you have been photoengraving?
couldn't she have been photoengraving?
couldn't we have been photoengraving?
couldn't you have been photoengraving?
couldn't they have been photoengraving?