could engineer
Regelmä&szlig;iges Verb: engineer - engineered- engineered

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could engineer
you could engineer
she could engineer
we could engineer
you could engineer
they could engineer 	I could be engineering
you could be engineering
she could be engineering
we could be engineering
you could be engineering
they could be engineering	I could have engineered
you could have engineered
she could have engineered
we could have engineered
you could have engineered
they could have engineered	I could have been engineering
you could have been engineering
she could have been engineering
we could have been engineering
you could have been engineering
they could have been engineering	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't engineer
you couldn't engineer
she couldn't engineer
we couldn't engineer
you couldn't engineer
they couldn't engineer 	I couldn't be engineering
you couldn't be engineering
she couldn't be engineering
we couldn't be engineering
you couldn't be engineering
they couldn't be engineering	I couldn't have engineered
you couldn't have engineered
she couldn't have engineered
we couldn't have engineered
you couldn't have engineered
they couldn't have engineered	I couldn't have been engineering
you couldn't have been engineering
she couldn't have been engineering
we couldn't have been engineering
you couldn't have been engineering
they couldn't have been engineering	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I engineer?
could you engineer?
could she engineer?
could we engineer?
could you engineer?
could they engineer? 	could I be engineering?
could you be engineering?
could she be engineering?
could we be engineering?
could you be engineering?
could they be engineering? 	could I have engineered?
could you have engineered?
could she have engineered?
could we have engineered?
could you have engineered?
could they have engineered? 	could I have been engineering?
could you have been engineering?
could she have been engineering?
could we have been engineering?
could you have been engineering?
could they have been engineering? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I engineer?
couldn't you engineer?
couldn't she engineer?
couldn't we engineer?
couldn't you engineer?
couldn't they engineer? 	couldn't I be engineering?
couldn't you be engineering?
couldn't she be engineering?
couldn't we be engineering?
couldn't you be engineering?
couldn't they be engineering? 	couldn't I have engineered?
couldn't you have engineered?
couldn't she have engineered?
couldn't we have engineered?
couldn't you have engineered?
couldn't they have engineered? 	couldn't I have been engineering?
couldn't you have been engineering?
couldn't she have been engineering?
couldn't we have been engineering?
couldn't you have been engineering?
couldn't they have been engineering?