could double-bill
Regelmä&szlig;iges Verb: double-bill - double-billed- double-billed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could double-bill
you could double-bill
he could double-bill
we could double-bill
you could double-bill
they could double-bill 	I could be double-billing
you could be double-billing
he could be double-billing
we could be double-billing
you could be double-billing
they could be double-billing	I could have double-billed
you could have double-billed
he could have double-billed
we could have double-billed
you could have double-billed
they could have double-billed	I could have been double-billing
you could have been double-billing
he could have been double-billing
we could have been double-billing
you could have been double-billing
they could have been double-billing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't double-bill
you couldn't double-bill
he couldn't double-bill
we couldn't double-bill
you couldn't double-bill
they couldn't double-bill 	I couldn't be double-billing
you couldn't be double-billing
he couldn't be double-billing
we couldn't be double-billing
you couldn't be double-billing
they couldn't be double-billing	I couldn't have double-billed
you couldn't have double-billed
he couldn't have double-billed
we couldn't have double-billed
you couldn't have double-billed
they couldn't have double-billed	I couldn't have been double-billing
you couldn't have been double-billing
he couldn't have been double-billing
we couldn't have been double-billing
you couldn't have been double-billing
they couldn't have been double-billing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I double-bill?
could you double-bill?
could he double-bill?
could we double-bill?
could you double-bill?
could they double-bill? 	could I be double-billing?
could you be double-billing?
could he be double-billing?
could we be double-billing?
could you be double-billing?
could they be double-billing? 	could I have double-billed?
could you have double-billed?
could he have double-billed?
could we have double-billed?
could you have double-billed?
could they have double-billed? 	could I have been double-billing?
could you have been double-billing?
could he have been double-billing?
could we have been double-billing?
could you have been double-billing?
could they have been double-billing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I double-bill?
couldn't you double-bill?
couldn't he double-bill?
couldn't we double-bill?
couldn't you double-bill?
couldn't they double-bill? 	couldn't I be double-billing?
couldn't you be double-billing?
couldn't he be double-billing?
couldn't we be double-billing?
couldn't you be double-billing?
couldn't they be double-billing? 	couldn't I have double-billed?
couldn't you have double-billed?
couldn't he have double-billed?
couldn't we have double-billed?
couldn't you have double-billed?
couldn't they have double-billed? 	couldn't I have been double-billing?
couldn't you have been double-billing?
couldn't he have been double-billing?
couldn't we have been double-billing?
couldn't you have been double-billing?
couldn't they have been double-billing?