could gallop
Regular verb: gallop - galloped- galloped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could gallop
you could gallop
she could gallop
we could gallop
you could gallop
they could gallop 	I could be galloping
you could be galloping
she could be galloping
we could be galloping
you could be galloping
they could be galloping	I could have galloped
you could have galloped
she 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
she 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 couldn't gallop
you couldn't gallop
she couldn't gallop
we couldn't gallop
you couldn't gallop
they couldn't gallop 	I couldn't be galloping
you couldn't be galloping
she couldn't be galloping
we couldn't be galloping
you couldn't be galloping
they couldn't be galloping	I couldn't have galloped
you couldn't have galloped
she couldn't have galloped
we couldn't have galloped
you couldn't have galloped
they couldn't have galloped	I couldn't have been galloping
you couldn't have been galloping
she couldn't have been galloping
we couldn't have been galloping
you couldn't have been galloping
they couldn't have been galloping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I gallop?
could you gallop?
could she gallop?
could we gallop?
could you gallop?
could they gallop? 	could I be galloping?
could you be galloping?
could she be galloping?
could we be galloping?
could you be galloping?
could they be galloping? 	could I have galloped?
could you have galloped?
could she 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 she 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 	
couldn't I gallop?
couldn't you gallop?
couldn't she gallop?
couldn't we gallop?
couldn't you gallop?
couldn't they gallop? 	couldn't I be galloping?
couldn't you be galloping?
couldn't she be galloping?
couldn't we be galloping?
couldn't you be galloping?
couldn't they be galloping? 	couldn't I have galloped?
couldn't you have galloped?
couldn't she have galloped?
couldn't we have galloped?
couldn't you have galloped?
couldn't they have galloped? 	couldn't I have been galloping?
couldn't you have been galloping?
couldn't she have been galloping?
couldn't we have been galloping?
couldn't you have been galloping?
couldn't they have been galloping?