could gall
Regular verb: gall - galled- galled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could gall
you could gall
he could gall
we could gall
you could gall
they could gall 	I could be galling
you could be galling
he could be galling
we could be galling
you could be galling
they could be galling	I could have galled
you could have galled
he 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
he 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 could not gall
you could not gall
he could not gall
we could not gall
you could not gall
they could not gall 	I could not be galling
you could not be galling
he could not be galling
we could not be galling
you could not be galling
they could not be galling	I could not have galled
you could not have galled
he could not have galled
we could not have galled
you could not have galled
they could not have galled	I could not have been galling
you could not have been galling
he could not have been galling
we could not have been galling
you could not have been galling
they could not have been galling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I gall?
could you gall?
could he gall?
could we gall?
could you gall?
could they gall? 	could I be galling?
could you be galling?
could he be galling?
could we be galling?
could you be galling?
could they be galling? 	could I have galled?
could you have galled?
could he 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 he 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 	
could I not gall?
could you not gall?
could he not gall?
could we not gall?
could you not gall?
could they not gall? 	could I not be galling?
could you not be galling?
could he not be galling?
could we not be galling?
could you not be galling?
could they not be galling? 	could I not have galled?
could you not have galled?
could he not have galled?
could we not have galled?
could you not have galled?
could they not have galled? 	could I not have been galling?
could you not have been galling?
could he not have been galling?
could we not have been galling?
could you not have been galling?
could they not have been galling?