could girth
Regular verb: girth - girthed- girthed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could girth
you could girth
he could girth
we could girth
you could girth
they could girth 	I could be girthing
you could be girthing
he could be girthing
we could be girthing
you could be girthing
they could be girthing	I could have girthed
you could have girthed
he could have girthed
we could have girthed
you could have girthed
they could have girthed	I could have been girthing
you could have been girthing
he could have been girthing
we could have been girthing
you could have been girthing
they could have been girthing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't girth
you couldn't girth
he couldn't girth
we couldn't girth
you couldn't girth
they couldn't girth 	I couldn't be girthing
you couldn't be girthing
he couldn't be girthing
we couldn't be girthing
you couldn't be girthing
they couldn't be girthing	I couldn't have girthed
you couldn't have girthed
he couldn't have girthed
we couldn't have girthed
you couldn't have girthed
they couldn't have girthed	I couldn't have been girthing
you couldn't have been girthing
he couldn't have been girthing
we couldn't have been girthing
you couldn't have been girthing
they couldn't have been girthing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I girth?
could you girth?
could he girth?
could we girth?
could you girth?
could they girth? 	could I be girthing?
could you be girthing?
could he be girthing?
could we be girthing?
could you be girthing?
could they be girthing? 	could I have girthed?
could you have girthed?
could he have girthed?
could we have girthed?
could you have girthed?
could they have girthed? 	could I have been girthing?
could you have been girthing?
could he have been girthing?
could we have been girthing?
could you have been girthing?
could they have been girthing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I girth?
couldn't you girth?
couldn't he girth?
couldn't we girth?
couldn't you girth?
couldn't they girth? 	couldn't I be girthing?
couldn't you be girthing?
couldn't he be girthing?
couldn't we be girthing?
couldn't you be girthing?
couldn't they be girthing? 	couldn't I have girthed?
couldn't you have girthed?
couldn't he have girthed?
couldn't we have girthed?
couldn't you have girthed?
couldn't they have girthed? 	couldn't I have been girthing?
couldn't you have been girthing?
couldn't he have been girthing?
couldn't we have been girthing?
couldn't you have been girthing?
couldn't they have been girthing?