could sour
Regelmä&szlig;iges Verb: sour - soured- soured

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could sour
you could sour
she could sour
we could sour
you could sour
they could sour 	I could be souring
you could be souring
she could be souring
we could be souring
you could be souring
they could be souring	I could have soured
you could have soured
she could have soured
we could have soured
you could have soured
they could have soured	I could have been souring
you could have been souring
she could have been souring
we could have been souring
you could have been souring
they could have been souring	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't sour
you couldn't sour
she couldn't sour
we couldn't sour
you couldn't sour
they couldn't sour 	I couldn't be souring
you couldn't be souring
she couldn't be souring
we couldn't be souring
you couldn't be souring
they couldn't be souring	I couldn't have soured
you couldn't have soured
she couldn't have soured
we couldn't have soured
you couldn't have soured
they couldn't have soured	I couldn't have been souring
you couldn't have been souring
she couldn't have been souring
we couldn't have been souring
you couldn't have been souring
they couldn't have been souring	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I sour?
could you sour?
could she sour?
could we sour?
could you sour?
could they sour? 	could I be souring?
could you be souring?
could she be souring?
could we be souring?
could you be souring?
could they be souring? 	could I have soured?
could you have soured?
could she have soured?
could we have soured?
could you have soured?
could they have soured? 	could I have been souring?
could you have been souring?
could she have been souring?
could we have been souring?
could you have been souring?
could they have been souring? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I sour?
couldn't you sour?
couldn't she sour?
couldn't we sour?
couldn't you sour?
couldn't they sour? 	couldn't I be souring?
couldn't you be souring?
couldn't she be souring?
couldn't we be souring?
couldn't you be souring?
couldn't they be souring? 	couldn't I have soured?
couldn't you have soured?
couldn't she have soured?
couldn't we have soured?
couldn't you have soured?
couldn't they have soured? 	couldn't I have been souring?
couldn't you have been souring?
couldn't she have been souring?
couldn't we have been souring?
couldn't you have been souring?
couldn't they have been souring?