could foil
Regelmä&szlig;iges Verb: foil - foiled- foiled

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could foil
you could foil
she could foil
we could foil
you could foil
they could foil 	I could be foiling
you could be foiling
she could be foiling
we could be foiling
you could be foiling
they could be foiling	I could have foiled
you could have foiled
she could have foiled
we could have foiled
you could have foiled
they could have foiled	I could have been foiling
you could have been foiling
she could have been foiling
we could have been foiling
you could have been foiling
they could have been foiling	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't foil
you couldn't foil
she couldn't foil
we couldn't foil
you couldn't foil
they couldn't foil 	I couldn't be foiling
you couldn't be foiling
she couldn't be foiling
we couldn't be foiling
you couldn't be foiling
they couldn't be foiling	I couldn't have foiled
you couldn't have foiled
she couldn't have foiled
we couldn't have foiled
you couldn't have foiled
they couldn't have foiled	I couldn't have been foiling
you couldn't have been foiling
she couldn't have been foiling
we couldn't have been foiling
you couldn't have been foiling
they couldn't have been foiling	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I foil?
could you foil?
could she foil?
could we foil?
could you foil?
could they foil? 	could I be foiling?
could you be foiling?
could she be foiling?
could we be foiling?
could you be foiling?
could they be foiling? 	could I have foiled?
could you have foiled?
could she have foiled?
could we have foiled?
could you have foiled?
could they have foiled? 	could I have been foiling?
could you have been foiling?
could she have been foiling?
could we have been foiling?
could you have been foiling?
could they have been foiling? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I foil?
couldn't you foil?
couldn't she foil?
couldn't we foil?
couldn't you foil?
couldn't they foil? 	couldn't I be foiling?
couldn't you be foiling?
couldn't she be foiling?
couldn't we be foiling?
couldn't you be foiling?
couldn't they be foiling? 	couldn't I have foiled?
couldn't you have foiled?
couldn't she have foiled?
couldn't we have foiled?
couldn't you have foiled?
couldn't they have foiled? 	couldn't I have been foiling?
couldn't you have been foiling?
couldn't she have been foiling?
couldn't we have been foiling?
couldn't you have been foiling?
couldn't they have been foiling?