could unhitch
Regular verb: unhitch - unhitched- unhitched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could unhitch
you could unhitch
he could unhitch
we could unhitch
you could unhitch
they could unhitch 	I could be unhitching
you could be unhitching
he could be unhitching
we could be unhitching
you could be unhitching
they could be unhitching	I could have unhitched
you could have unhitched
he could have unhitched
we could have unhitched
you could have unhitched
they could have unhitched	I could have been unhitching
you could have been unhitching
he could have been unhitching
we could have been unhitching
you could have been unhitching
they could have been unhitching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not unhitch
you could not unhitch
he could not unhitch
we could not unhitch
you could not unhitch
they could not unhitch 	I could not be unhitching
you could not be unhitching
he could not be unhitching
we could not be unhitching
you could not be unhitching
they could not be unhitching	I could not have unhitched
you could not have unhitched
he could not have unhitched
we could not have unhitched
you could not have unhitched
they could not have unhitched	I could not have been unhitching
you could not have been unhitching
he could not have been unhitching
we could not have been unhitching
you could not have been unhitching
they could not have been unhitching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I unhitch?
could you unhitch?
could he unhitch?
could we unhitch?
could you unhitch?
could they unhitch? 	could I be unhitching?
could you be unhitching?
could he be unhitching?
could we be unhitching?
could you be unhitching?
could they be unhitching? 	could I have unhitched?
could you have unhitched?
could he have unhitched?
could we have unhitched?
could you have unhitched?
could they have unhitched? 	could I have been unhitching?
could you have been unhitching?
could he have been unhitching?
could we have been unhitching?
could you have been unhitching?
could they have been unhitching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not unhitch?
could you not unhitch?
could he not unhitch?
could we not unhitch?
could you not unhitch?
could they not unhitch? 	could I not be unhitching?
could you not be unhitching?
could he not be unhitching?
could we not be unhitching?
could you not be unhitching?
could they not be unhitching? 	could I not have unhitched?
could you not have unhitched?
could he not have unhitched?
could we not have unhitched?
could you not have unhitched?
could they not have unhitched? 	could I not have been unhitching?
could you not have been unhitching?
could he not have been unhitching?
could we not have been unhitching?
could you not have been unhitching?
could they not have been unhitching?