could bum
Regelmä&szlig;iges Verb: bum - bummed- bummed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could bum
you could bum
she could bum
we could bum
you could bum
they could bum 	I could be bumming
you could be bumming
she could be bumming
we could be bumming
you could be bumming
they could be bumming	I could have bummed
you could have bummed
she could have bummed
we could have bummed
you could have bummed
they could have bummed	I could have been bumming
you could have been bumming
she could have been bumming
we could have been bumming
you could have been bumming
they could have been bumming	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not bum
you could not bum
she could not bum
we could not bum
you could not bum
they could not bum 	I could not be bumming
you could not be bumming
she could not be bumming
we could not be bumming
you could not be bumming
they could not be bumming	I could not have bummed
you could not have bummed
she could not have bummed
we could not have bummed
you could not have bummed
they could not have bummed	I could not have been bumming
you could not have been bumming
she could not have been bumming
we could not have been bumming
you could not have been bumming
they could not have been bumming	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I bum?
could you bum?
could she bum?
could we bum?
could you bum?
could they bum? 	could I be bumming?
could you be bumming?
could she be bumming?
could we be bumming?
could you be bumming?
could they be bumming? 	could I have bummed?
could you have bummed?
could she have bummed?
could we have bummed?
could you have bummed?
could they have bummed? 	could I have been bumming?
could you have been bumming?
could she have been bumming?
could we have been bumming?
could you have been bumming?
could they have been bumming? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not bum?
could you not bum?
could she not bum?
could we not bum?
could you not bum?
could they not bum? 	could I not be bumming?
could you not be bumming?
could she not be bumming?
could we not be bumming?
could you not be bumming?
could they not be bumming? 	could I not have bummed?
could you not have bummed?
could she not have bummed?
could we not have bummed?
could you not have bummed?
could they not have bummed? 	could I not have been bumming?
could you not have been bumming?
could she not have been bumming?
could we not have been bumming?
could you not have been bumming?
could they not have been bumming?