could gall
Regular verb: gall - galled- galled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could gall
you could gall
she could gall
we could gall
you could gall
they could gall 	I could be galling
you could be galling
she could be galling
we could be galling
you could be galling
they could be galling	I could have galled
you could have galled
she could have galled
we could have galled
you could have galled
they could have galled	I could have been galling
you could have been galling
she could have been galling
we could have been galling
you could have been galling
they could have been galling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't gall
you couldn't gall
she couldn't gall
we couldn't gall
you couldn't gall
they couldn't gall 	I couldn't be galling
you couldn't be galling
she couldn't be galling
we couldn't be galling
you couldn't be galling
they couldn't be galling	I couldn't have galled
you couldn't have galled
she couldn't have galled
we couldn't have galled
you couldn't have galled
they couldn't have galled	I couldn't have been galling
you couldn't have been galling
she couldn't have been galling
we couldn't have been galling
you couldn't have been galling
they couldn't have been galling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I gall?
could you gall?
could she gall?
could we gall?
could you gall?
could they gall? 	could I be galling?
could you be galling?
could she be galling?
could we be galling?
could you be galling?
could they be galling? 	could I have galled?
could you have galled?
could she have galled?
could we have galled?
could you have galled?
could they have galled? 	could I have been galling?
could you have been galling?
could she have been galling?
could we have been galling?
could you have been galling?
could they have been galling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I gall?
couldn't you gall?
couldn't she gall?
couldn't we gall?
couldn't you gall?
couldn't they gall? 	couldn't I be galling?
couldn't you be galling?
couldn't she be galling?
couldn't we be galling?
couldn't you be galling?
couldn't they be galling? 	couldn't I have galled?
couldn't you have galled?
couldn't she have galled?
couldn't we have galled?
couldn't you have galled?
couldn't they have galled? 	couldn't I have been galling?
couldn't you have been galling?
couldn't she have been galling?
couldn't we have been galling?
couldn't you have been galling?
couldn't they have been galling?