could murder
Regular verb: murder - murdered- murdered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could murder
you could murder
he could murder
we could murder
you could murder
they could murder 	I could be murdering
you could be murdering
he could be murdering
we could be murdering
you could be murdering
they could be murdering	I could have murdered
you could have murdered
he could have murdered
we could have murdered
you could have murdered
they could have murdered	I could have been murdering
you could have been murdering
he could have been murdering
we could have been murdering
you could have been murdering
they could have been murdering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not murder
you could not murder
he could not murder
we could not murder
you could not murder
they could not murder 	I could not be murdering
you could not be murdering
he could not be murdering
we could not be murdering
you could not be murdering
they could not be murdering	I could not have murdered
you could not have murdered
he could not have murdered
we could not have murdered
you could not have murdered
they could not have murdered	I could not have been murdering
you could not have been murdering
he could not have been murdering
we could not have been murdering
you could not have been murdering
they could not have been murdering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I murder?
could you murder?
could he murder?
could we murder?
could you murder?
could they murder? 	could I be murdering?
could you be murdering?
could he be murdering?
could we be murdering?
could you be murdering?
could they be murdering? 	could I have murdered?
could you have murdered?
could he have murdered?
could we have murdered?
could you have murdered?
could they have murdered? 	could I have been murdering?
could you have been murdering?
could he have been murdering?
could we have been murdering?
could you have been murdering?
could they have been murdering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not murder?
could you not murder?
could he not murder?
could we not murder?
could you not murder?
could they not murder? 	could I not be murdering?
could you not be murdering?
could he not be murdering?
could we not be murdering?
could you not be murdering?
could they not be murdering? 	could I not have murdered?
could you not have murdered?
could he not have murdered?
could we not have murdered?
could you not have murdered?
could they not have murdered? 	could I not have been murdering?
could you not have been murdering?
could he not have been murdering?
could we not have been murdering?
could you not have been murdering?
could they not have been murdering?