could scourge
Regular verb: scourge - scourged- scourged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could scourge
you could scourge
he could scourge
we could scourge
you could scourge
they could scourge 	I could be scourging
you could be scourging
he could be scourging
we could be scourging
you could be scourging
they could be scourging	I could have scourged
you could have scourged
he could have scourged
we could have scourged
you could have scourged
they could have scourged	I could have been scourging
you could have been scourging
he could have been scourging
we could have been scourging
you could have been scourging
they could have been scourging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not scourge
you could not scourge
he could not scourge
we could not scourge
you could not scourge
they could not scourge 	I could not be scourging
you could not be scourging
he could not be scourging
we could not be scourging
you could not be scourging
they could not be scourging	I could not have scourged
you could not have scourged
he could not have scourged
we could not have scourged
you could not have scourged
they could not have scourged	I could not have been scourging
you could not have been scourging
he could not have been scourging
we could not have been scourging
you could not have been scourging
they could not have been scourging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I scourge?
could you scourge?
could he scourge?
could we scourge?
could you scourge?
could they scourge? 	could I be scourging?
could you be scourging?
could he be scourging?
could we be scourging?
could you be scourging?
could they be scourging? 	could I have scourged?
could you have scourged?
could he have scourged?
could we have scourged?
could you have scourged?
could they have scourged? 	could I have been scourging?
could you have been scourging?
could he have been scourging?
could we have been scourging?
could you have been scourging?
could they have been scourging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not scourge?
could you not scourge?
could he not scourge?
could we not scourge?
could you not scourge?
could they not scourge? 	could I not be scourging?
could you not be scourging?
could he not be scourging?
could we not be scourging?
could you not be scourging?
could they not be scourging? 	could I not have scourged?
could you not have scourged?
could he not have scourged?
could we not have scourged?
could you not have scourged?
could they not have scourged? 	could I not have been scourging?
could you not have been scourging?
could he not have been scourging?
could we not have been scourging?
could you not have been scourging?
could they not have been scourging?