could window
Regelmä&szlig;iges Verb: window - windowed- windowed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could window
you could window
she could window
we could window
you could window
they could window 	I could be windowing
you could be windowing
she could be windowing
we could be windowing
you could be windowing
they could be windowing	I could have windowed
you could have windowed
she could have windowed
we could have windowed
you could have windowed
they could have windowed	I could have been windowing
you could have been windowing
she could have been windowing
we could have been windowing
you could have been windowing
they could have been windowing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't window
you couldn't window
she couldn't window
we couldn't window
you couldn't window
they couldn't window 	I couldn't be windowing
you couldn't be windowing
she couldn't be windowing
we couldn't be windowing
you couldn't be windowing
they couldn't be windowing	I couldn't have windowed
you couldn't have windowed
she couldn't have windowed
we couldn't have windowed
you couldn't have windowed
they couldn't have windowed	I couldn't have been windowing
you couldn't have been windowing
she couldn't have been windowing
we couldn't have been windowing
you couldn't have been windowing
they couldn't have been windowing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I window?
could you window?
could she window?
could we window?
could you window?
could they window? 	could I be windowing?
could you be windowing?
could she be windowing?
could we be windowing?
could you be windowing?
could they be windowing? 	could I have windowed?
could you have windowed?
could she have windowed?
could we have windowed?
could you have windowed?
could they have windowed? 	could I have been windowing?
could you have been windowing?
could she have been windowing?
could we have been windowing?
could you have been windowing?
could they have been windowing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I window?
couldn't you window?
couldn't she window?
couldn't we window?
couldn't you window?
couldn't they window? 	couldn't I be windowing?
couldn't you be windowing?
couldn't she be windowing?
couldn't we be windowing?
couldn't you be windowing?
couldn't they be windowing? 	couldn't I have windowed?
couldn't you have windowed?
couldn't she have windowed?
couldn't we have windowed?
couldn't you have windowed?
couldn't they have windowed? 	couldn't I have been windowing?
couldn't you have been windowing?
couldn't she have been windowing?
couldn't we have been windowing?
couldn't you have been windowing?
couldn't they have been windowing?