could orphan
Regular verb: orphan - orphaned- orphaned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could orphan
you could orphan
he could orphan
we could orphan
you could orphan
they could orphan 	I could be orphaning
you could be orphaning
he could be orphaning
we could be orphaning
you could be orphaning
they could be orphaning	I could have orphaned
you could have orphaned
he could have orphaned
we could have orphaned
you could have orphaned
they could have orphaned	I could have been orphaning
you could have been orphaning
he could have been orphaning
we could have been orphaning
you could have been orphaning
they could have been orphaning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't orphan
you couldn't orphan
he couldn't orphan
we couldn't orphan
you couldn't orphan
they couldn't orphan 	I couldn't be orphaning
you couldn't be orphaning
he couldn't be orphaning
we couldn't be orphaning
you couldn't be orphaning
they couldn't be orphaning	I couldn't have orphaned
you couldn't have orphaned
he couldn't have orphaned
we couldn't have orphaned
you couldn't have orphaned
they couldn't have orphaned	I couldn't have been orphaning
you couldn't have been orphaning
he couldn't have been orphaning
we couldn't have been orphaning
you couldn't have been orphaning
they couldn't have been orphaning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I orphan?
could you orphan?
could he orphan?
could we orphan?
could you orphan?
could they orphan? 	could I be orphaning?
could you be orphaning?
could he be orphaning?
could we be orphaning?
could you be orphaning?
could they be orphaning? 	could I have orphaned?
could you have orphaned?
could he have orphaned?
could we have orphaned?
could you have orphaned?
could they have orphaned? 	could I have been orphaning?
could you have been orphaning?
could he have been orphaning?
could we have been orphaning?
could you have been orphaning?
could they have been orphaning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I orphan?
couldn't you orphan?
couldn't he orphan?
couldn't we orphan?
couldn't you orphan?
couldn't they orphan? 	couldn't I be orphaning?
couldn't you be orphaning?
couldn't he be orphaning?
couldn't we be orphaning?
couldn't you be orphaning?
couldn't they be orphaning? 	couldn't I have orphaned?
couldn't you have orphaned?
couldn't he have orphaned?
couldn't we have orphaned?
couldn't you have orphaned?
couldn't they have orphaned? 	couldn't I have been orphaning?
couldn't you have been orphaning?
couldn't he have been orphaning?
couldn't we have been orphaning?
couldn't you have been orphaning?
couldn't they have been orphaning?