could gallop
Regular verb: gallop - galloped- galloped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could gallop
you could gallop
he could gallop
we could gallop
you could gallop
they could gallop 	I could be galloping
you could be galloping
he could be galloping
we could be galloping
you could be galloping
they could be galloping	I could have galloped
you could have galloped
he could have galloped
we could have galloped
you could have galloped
they could have galloped	I could have been galloping
you could have been galloping
he could have been galloping
we could have been galloping
you could have been galloping
they could have been galloping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not gallop
you could not gallop
he could not gallop
we could not gallop
you could not gallop
they could not gallop 	I could not be galloping
you could not be galloping
he could not be galloping
we could not be galloping
you could not be galloping
they could not be galloping	I could not have galloped
you could not have galloped
he could not have galloped
we could not have galloped
you could not have galloped
they could not have galloped	I could not have been galloping
you could not have been galloping
he could not have been galloping
we could not have been galloping
you could not have been galloping
they could not have been galloping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I gallop?
could you gallop?
could he gallop?
could we gallop?
could you gallop?
could they gallop? 	could I be galloping?
could you be galloping?
could he be galloping?
could we be galloping?
could you be galloping?
could they be galloping? 	could I have galloped?
could you have galloped?
could he have galloped?
could we have galloped?
could you have galloped?
could they have galloped? 	could I have been galloping?
could you have been galloping?
could he have been galloping?
could we have been galloping?
could you have been galloping?
could they have been galloping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not gallop?
could you not gallop?
could he not gallop?
could we not gallop?
could you not gallop?
could they not gallop? 	could I not be galloping?
could you not be galloping?
could he not be galloping?
could we not be galloping?
could you not be galloping?
could they not be galloping? 	could I not have galloped?
could you not have galloped?
could he not have galloped?
could we not have galloped?
could you not have galloped?
could they not have galloped? 	could I not have been galloping?
could you not have been galloping?
could he not have been galloping?
could we not have been galloping?
could you not have been galloping?
could they not have been galloping?