could install
Regelmä&szlig;iges Verb: install - installed- installed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could install
you could install
she could install
we could install
you could install
they could install 	I could be installing
you could be installing
she could be installing
we could be installing
you could be installing
they could be installing	I could have installed
you could have installed
she could have installed
we could have installed
you could have installed
they could have installed	I could have been installing
you could have been installing
she could have been installing
we could have been installing
you could have been installing
they could have been installing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't install
you couldn't install
she couldn't install
we couldn't install
you couldn't install
they couldn't install 	I couldn't be installing
you couldn't be installing
she couldn't be installing
we couldn't be installing
you couldn't be installing
they couldn't be installing	I couldn't have installed
you couldn't have installed
she couldn't have installed
we couldn't have installed
you couldn't have installed
they couldn't have installed	I couldn't have been installing
you couldn't have been installing
she couldn't have been installing
we couldn't have been installing
you couldn't have been installing
they couldn't have been installing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I install?
could you install?
could she install?
could we install?
could you install?
could they install? 	could I be installing?
could you be installing?
could she be installing?
could we be installing?
could you be installing?
could they be installing? 	could I have installed?
could you have installed?
could she have installed?
could we have installed?
could you have installed?
could they have installed? 	could I have been installing?
could you have been installing?
could she have been installing?
could we have been installing?
could you have been installing?
could they have been installing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I install?
couldn't you install?
couldn't she install?
couldn't we install?
couldn't you install?
couldn't they install? 	couldn't I be installing?
couldn't you be installing?
couldn't she be installing?
couldn't we be installing?
couldn't you be installing?
couldn't they be installing? 	couldn't I have installed?
couldn't you have installed?
couldn't she have installed?
couldn't we have installed?
couldn't you have installed?
couldn't they have installed? 	couldn't I have been installing?
couldn't you have been installing?
couldn't she have been installing?
couldn't we have been installing?
couldn't you have been installing?
couldn't they have been installing?