could murther
Regular verb: murther - murthered- murthered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could murther
you could murther
she could murther
we could murther
you could murther
they could murther 	I could be murthering
you could be murthering
she could be murthering
we could be murthering
you could be murthering
they could be murthering	I could have murthered
you could have murthered
she could have murthered
we could have murthered
you could have murthered
they could have murthered	I could have been murthering
you could have been murthering
she could have been murthering
we could have been murthering
you could have been murthering
they could have been murthering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not murther
you could not murther
she could not murther
we could not murther
you could not murther
they could not murther 	I could not be murthering
you could not be murthering
she could not be murthering
we could not be murthering
you could not be murthering
they could not be murthering	I could not have murthered
you could not have murthered
she could not have murthered
we could not have murthered
you could not have murthered
they could not have murthered	I could not have been murthering
you could not have been murthering
she could not have been murthering
we could not have been murthering
you could not have been murthering
they could not have been murthering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I murther?
could you murther?
could she murther?
could we murther?
could you murther?
could they murther? 	could I be murthering?
could you be murthering?
could she be murthering?
could we be murthering?
could you be murthering?
could they be murthering? 	could I have murthered?
could you have murthered?
could she have murthered?
could we have murthered?
could you have murthered?
could they have murthered? 	could I have been murthering?
could you have been murthering?
could she have been murthering?
could we have been murthering?
could you have been murthering?
could they have been murthering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not murther?
could you not murther?
could she not murther?
could we not murther?
could you not murther?
could they not murther? 	could I not be murthering?
could you not be murthering?
could she not be murthering?
could we not be murthering?
could you not be murthering?
could they not be murthering? 	could I not have murthered?
could you not have murthered?
could she not have murthered?
could we not have murthered?
could you not have murthered?
could they not have murthered? 	could I not have been murthering?
could you not have been murthering?
could she not have been murthering?
could we not have been murthering?
could you not have been murthering?
could they not have been murthering?