could countersign
Regelmä&szlig;iges Verb: countersign - countersigned- countersigned

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could countersign
you could countersign
she could countersign
we could countersign
you could countersign
they could countersign 	I could be countersigning
you could be countersigning
she could be countersigning
we could be countersigning
you could be countersigning
they could be countersigning	I could have countersigned
you could have countersigned
she could have countersigned
we could have countersigned
you could have countersigned
they could have countersigned	I could have been countersigning
you could have been countersigning
she could have been countersigning
we could have been countersigning
you could have been countersigning
they could have been countersigning	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't countersign
you couldn't countersign
she couldn't countersign
we couldn't countersign
you couldn't countersign
they couldn't countersign 	I couldn't be countersigning
you couldn't be countersigning
she couldn't be countersigning
we couldn't be countersigning
you couldn't be countersigning
they couldn't be countersigning	I couldn't have countersigned
you couldn't have countersigned
she couldn't have countersigned
we couldn't have countersigned
you couldn't have countersigned
they couldn't have countersigned	I couldn't have been countersigning
you couldn't have been countersigning
she couldn't have been countersigning
we couldn't have been countersigning
you couldn't have been countersigning
they couldn't have been countersigning	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I countersign?
could you countersign?
could she countersign?
could we countersign?
could you countersign?
could they countersign? 	could I be countersigning?
could you be countersigning?
could she be countersigning?
could we be countersigning?
could you be countersigning?
could they be countersigning? 	could I have countersigned?
could you have countersigned?
could she have countersigned?
could we have countersigned?
could you have countersigned?
could they have countersigned? 	could I have been countersigning?
could you have been countersigning?
could she have been countersigning?
could we have been countersigning?
could you have been countersigning?
could they have been countersigning? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I countersign?
couldn't you countersign?
couldn't she countersign?
couldn't we countersign?
couldn't you countersign?
couldn't they countersign? 	couldn't I be countersigning?
couldn't you be countersigning?
couldn't she be countersigning?
couldn't we be countersigning?
couldn't you be countersigning?
couldn't they be countersigning? 	couldn't I have countersigned?
couldn't you have countersigned?
couldn't she have countersigned?
couldn't we have countersigned?
couldn't you have countersigned?
couldn't they have countersigned? 	couldn't I have been countersigning?
couldn't you have been countersigning?
couldn't she have been countersigning?
couldn't we have been countersigning?
couldn't you have been countersigning?
couldn't they have been countersigning?