could scrouge
Regular verb: scrouge - scrouged- scrouged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could scrouge
you could scrouge
he could scrouge
we could scrouge
you could scrouge
they could scrouge 	I could be scrouging
you could be scrouging
he could be scrouging
we could be scrouging
you could be scrouging
they could be scrouging	I could have scrouged
you could have scrouged
he could have scrouged
we could have scrouged
you could have scrouged
they could have scrouged	I could have been scrouging
you could have been scrouging
he could have been scrouging
we could have been scrouging
you could have been scrouging
they could have been scrouging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't scrouge
you couldn't scrouge
he couldn't scrouge
we couldn't scrouge
you couldn't scrouge
they couldn't scrouge 	I couldn't be scrouging
you couldn't be scrouging
he couldn't be scrouging
we couldn't be scrouging
you couldn't be scrouging
they couldn't be scrouging	I couldn't have scrouged
you couldn't have scrouged
he couldn't have scrouged
we couldn't have scrouged
you couldn't have scrouged
they couldn't have scrouged	I couldn't have been scrouging
you couldn't have been scrouging
he couldn't have been scrouging
we couldn't have been scrouging
you couldn't have been scrouging
they couldn't have been scrouging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I scrouge?
could you scrouge?
could he scrouge?
could we scrouge?
could you scrouge?
could they scrouge? 	could I be scrouging?
could you be scrouging?
could he be scrouging?
could we be scrouging?
could you be scrouging?
could they be scrouging? 	could I have scrouged?
could you have scrouged?
could he have scrouged?
could we have scrouged?
could you have scrouged?
could they have scrouged? 	could I have been scrouging?
could you have been scrouging?
could he have been scrouging?
could we have been scrouging?
could you have been scrouging?
could they have been scrouging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I scrouge?
couldn't you scrouge?
couldn't he scrouge?
couldn't we scrouge?
couldn't you scrouge?
couldn't they scrouge? 	couldn't I be scrouging?
couldn't you be scrouging?
couldn't he be scrouging?
couldn't we be scrouging?
couldn't you be scrouging?
couldn't they be scrouging? 	couldn't I have scrouged?
couldn't you have scrouged?
couldn't he have scrouged?
couldn't we have scrouged?
couldn't you have scrouged?
couldn't they have scrouged? 	couldn't I have been scrouging?
couldn't you have been scrouging?
couldn't he have been scrouging?
couldn't we have been scrouging?
couldn't you have been scrouging?
couldn't they have been scrouging?