could unhair
Regular verb: unhair - unhaired- unhaired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could unhair
you could unhair
he could unhair
we could unhair
you could unhair
they could unhair 	I could be unhairing
you could be unhairing
he could be unhairing
we could be unhairing
you could be unhairing
they could be unhairing	I could have unhaired
you could have unhaired
he could have unhaired
we could have unhaired
you could have unhaired
they could have unhaired	I could have been unhairing
you could have been unhairing
he could have been unhairing
we could have been unhairing
you could have been unhairing
they could have been unhairing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't unhair
you couldn't unhair
he couldn't unhair
we couldn't unhair
you couldn't unhair
they couldn't unhair 	I couldn't be unhairing
you couldn't be unhairing
he couldn't be unhairing
we couldn't be unhairing
you couldn't be unhairing
they couldn't be unhairing	I couldn't have unhaired
you couldn't have unhaired
he couldn't have unhaired
we couldn't have unhaired
you couldn't have unhaired
they couldn't have unhaired	I couldn't have been unhairing
you couldn't have been unhairing
he couldn't have been unhairing
we couldn't have been unhairing
you couldn't have been unhairing
they couldn't have been unhairing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I unhair?
could you unhair?
could he unhair?
could we unhair?
could you unhair?
could they unhair? 	could I be unhairing?
could you be unhairing?
could he be unhairing?
could we be unhairing?
could you be unhairing?
could they be unhairing? 	could I have unhaired?
could you have unhaired?
could he have unhaired?
could we have unhaired?
could you have unhaired?
could they have unhaired? 	could I have been unhairing?
could you have been unhairing?
could he have been unhairing?
could we have been unhairing?
could you have been unhairing?
could they have been unhairing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I unhair?
couldn't you unhair?
couldn't he unhair?
couldn't we unhair?
couldn't you unhair?
couldn't they unhair? 	couldn't I be unhairing?
couldn't you be unhairing?
couldn't he be unhairing?
couldn't we be unhairing?
couldn't you be unhairing?
couldn't they be unhairing? 	couldn't I have unhaired?
couldn't you have unhaired?
couldn't he have unhaired?
couldn't we have unhaired?
couldn't you have unhaired?
couldn't they have unhaired? 	couldn't I have been unhairing?
couldn't you have been unhairing?
couldn't he have been unhairing?
couldn't we have been unhairing?
couldn't you have been unhairing?
couldn't they have been unhairing?