could screw
Regelmä&szlig;iges Verb: screw - screwed- screwed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could screw
you could screw
she could screw
we could screw
you could screw
they could screw 	I could be screwing
you could be screwing
she could be screwing
we could be screwing
you could be screwing
they could be screwing	I could have screwed
you could have screwed
she could have screwed
we could have screwed
you could have screwed
they could have screwed	I could have been screwing
you could have been screwing
she could have been screwing
we could have been screwing
you could have been screwing
they could have been screwing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't screw
you couldn't screw
she couldn't screw
we couldn't screw
you couldn't screw
they couldn't screw 	I couldn't be screwing
you couldn't be screwing
she couldn't be screwing
we couldn't be screwing
you couldn't be screwing
they couldn't be screwing	I couldn't have screwed
you couldn't have screwed
she couldn't have screwed
we couldn't have screwed
you couldn't have screwed
they couldn't have screwed	I couldn't have been screwing
you couldn't have been screwing
she couldn't have been screwing
we couldn't have been screwing
you couldn't have been screwing
they couldn't have been screwing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I screw?
could you screw?
could she screw?
could we screw?
could you screw?
could they screw? 	could I be screwing?
could you be screwing?
could she be screwing?
could we be screwing?
could you be screwing?
could they be screwing? 	could I have screwed?
could you have screwed?
could she have screwed?
could we have screwed?
could you have screwed?
could they have screwed? 	could I have been screwing?
could you have been screwing?
could she have been screwing?
could we have been screwing?
could you have been screwing?
could they have been screwing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I screw?
couldn't you screw?
couldn't she screw?
couldn't we screw?
couldn't you screw?
couldn't they screw? 	couldn't I be screwing?
couldn't you be screwing?
couldn't she be screwing?
couldn't we be screwing?
couldn't you be screwing?
couldn't they be screwing? 	couldn't I have screwed?
couldn't you have screwed?
couldn't she have screwed?
couldn't we have screwed?
couldn't you have screwed?
couldn't they have screwed? 	couldn't I have been screwing?
couldn't you have been screwing?
couldn't she have been screwing?
couldn't we have been screwing?
couldn't you have been screwing?
couldn't they have been screwing?