could unhorse
Regular verb: unhorse - unhorsed- unhorsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could unhorse
you could unhorse
he could unhorse
we could unhorse
you could unhorse
they could unhorse 	I could be unhorsing
you could be unhorsing
he could be unhorsing
we could be unhorsing
you could be unhorsing
they could be unhorsing	I could have unhorsed
you could have unhorsed
he could have unhorsed
we could have unhorsed
you could have unhorsed
they could have unhorsed	I could have been unhorsing
you could have been unhorsing
he could have been unhorsing
we could have been unhorsing
you could have been unhorsing
they could have been unhorsing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't unhorse
you couldn't unhorse
he couldn't unhorse
we couldn't unhorse
you couldn't unhorse
they couldn't unhorse 	I couldn't be unhorsing
you couldn't be unhorsing
he couldn't be unhorsing
we couldn't be unhorsing
you couldn't be unhorsing
they couldn't be unhorsing	I couldn't have unhorsed
you couldn't have unhorsed
he couldn't have unhorsed
we couldn't have unhorsed
you couldn't have unhorsed
they couldn't have unhorsed	I couldn't have been unhorsing
you couldn't have been unhorsing
he couldn't have been unhorsing
we couldn't have been unhorsing
you couldn't have been unhorsing
they couldn't have been unhorsing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I unhorse?
could you unhorse?
could he unhorse?
could we unhorse?
could you unhorse?
could they unhorse? 	could I be unhorsing?
could you be unhorsing?
could he be unhorsing?
could we be unhorsing?
could you be unhorsing?
could they be unhorsing? 	could I have unhorsed?
could you have unhorsed?
could he have unhorsed?
could we have unhorsed?
could you have unhorsed?
could they have unhorsed? 	could I have been unhorsing?
could you have been unhorsing?
could he have been unhorsing?
could we have been unhorsing?
could you have been unhorsing?
could they have been unhorsing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I unhorse?
couldn't you unhorse?
couldn't he unhorse?
couldn't we unhorse?
couldn't you unhorse?
couldn't they unhorse? 	couldn't I be unhorsing?
couldn't you be unhorsing?
couldn't he be unhorsing?
couldn't we be unhorsing?
couldn't you be unhorsing?
couldn't they be unhorsing? 	couldn't I have unhorsed?
couldn't you have unhorsed?
couldn't he have unhorsed?
couldn't we have unhorsed?
couldn't you have unhorsed?
couldn't they have unhorsed? 	couldn't I have been unhorsing?
couldn't you have been unhorsing?
couldn't he have been unhorsing?
couldn't we have been unhorsing?
couldn't you have been unhorsing?
couldn't they have been unhorsing?