could vacuum
Regelmä&szlig;iges Verb: vacuum - vacuumed- vacuumed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could vacuum
you could vacuum
she could vacuum
we could vacuum
you could vacuum
they could vacuum 	I could be vacuuming
you could be vacuuming
she could be vacuuming
we could be vacuuming
you could be vacuuming
they could be vacuuming	I could have vacuumed
you could have vacuumed
she could have vacuumed
we could have vacuumed
you could have vacuumed
they could have vacuumed	I could have been vacuuming
you could have been vacuuming
she could have been vacuuming
we could have been vacuuming
you could have been vacuuming
they could have been vacuuming	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't vacuum
you couldn't vacuum
she couldn't vacuum
we couldn't vacuum
you couldn't vacuum
they couldn't vacuum 	I couldn't be vacuuming
you couldn't be vacuuming
she couldn't be vacuuming
we couldn't be vacuuming
you couldn't be vacuuming
they couldn't be vacuuming	I couldn't have vacuumed
you couldn't have vacuumed
she couldn't have vacuumed
we couldn't have vacuumed
you couldn't have vacuumed
they couldn't have vacuumed	I couldn't have been vacuuming
you couldn't have been vacuuming
she couldn't have been vacuuming
we couldn't have been vacuuming
you couldn't have been vacuuming
they couldn't have been vacuuming	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I vacuum?
could you vacuum?
could she vacuum?
could we vacuum?
could you vacuum?
could they vacuum? 	could I be vacuuming?
could you be vacuuming?
could she be vacuuming?
could we be vacuuming?
could you be vacuuming?
could they be vacuuming? 	could I have vacuumed?
could you have vacuumed?
could she have vacuumed?
could we have vacuumed?
could you have vacuumed?
could they have vacuumed? 	could I have been vacuuming?
could you have been vacuuming?
could she have been vacuuming?
could we have been vacuuming?
could you have been vacuuming?
could they have been vacuuming? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I vacuum?
couldn't you vacuum?
couldn't she vacuum?
couldn't we vacuum?
couldn't you vacuum?
couldn't they vacuum? 	couldn't I be vacuuming?
couldn't you be vacuuming?
couldn't she be vacuuming?
couldn't we be vacuuming?
couldn't you be vacuuming?
couldn't they be vacuuming? 	couldn't I have vacuumed?
couldn't you have vacuumed?
couldn't she have vacuumed?
couldn't we have vacuumed?
couldn't you have vacuumed?
couldn't they have vacuumed? 	couldn't I have been vacuuming?
couldn't you have been vacuuming?
couldn't she have been vacuuming?
couldn't we have been vacuuming?
couldn't you have been vacuuming?
couldn't they have been vacuuming?