could invoice
Regelmä&szlig;iges Verb: invoice - invoiced- invoiced

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could invoice
you could invoice
she could invoice
we could invoice
you could invoice
they could invoice 	I could be invoicing
you could be invoicing
she could be invoicing
we could be invoicing
you could be invoicing
they could be invoicing	I could have invoiced
you could have invoiced
she could have invoiced
we could have invoiced
you could have invoiced
they could have invoiced	I could have been invoicing
you could have been invoicing
she could have been invoicing
we could have been invoicing
you could have been invoicing
they could have been invoicing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't invoice
you couldn't invoice
she couldn't invoice
we couldn't invoice
you couldn't invoice
they couldn't invoice 	I couldn't be invoicing
you couldn't be invoicing
she couldn't be invoicing
we couldn't be invoicing
you couldn't be invoicing
they couldn't be invoicing	I couldn't have invoiced
you couldn't have invoiced
she couldn't have invoiced
we couldn't have invoiced
you couldn't have invoiced
they couldn't have invoiced	I couldn't have been invoicing
you couldn't have been invoicing
she couldn't have been invoicing
we couldn't have been invoicing
you couldn't have been invoicing
they couldn't have been invoicing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I invoice?
could you invoice?
could she invoice?
could we invoice?
could you invoice?
could they invoice? 	could I be invoicing?
could you be invoicing?
could she be invoicing?
could we be invoicing?
could you be invoicing?
could they be invoicing? 	could I have invoiced?
could you have invoiced?
could she have invoiced?
could we have invoiced?
could you have invoiced?
could they have invoiced? 	could I have been invoicing?
could you have been invoicing?
could she have been invoicing?
could we have been invoicing?
could you have been invoicing?
could they have been invoicing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I invoice?
couldn't you invoice?
couldn't she invoice?
couldn't we invoice?
couldn't you invoice?
couldn't they invoice? 	couldn't I be invoicing?
couldn't you be invoicing?
couldn't she be invoicing?
couldn't we be invoicing?
couldn't you be invoicing?
couldn't they be invoicing? 	couldn't I have invoiced?
couldn't you have invoiced?
couldn't she have invoiced?
couldn't we have invoiced?
couldn't you have invoiced?
couldn't they have invoiced? 	couldn't I have been invoicing?
couldn't you have been invoicing?
couldn't she have been invoicing?
couldn't we have been invoicing?
couldn't you have been invoicing?
couldn't they have been invoicing?