could index
Regelmä&szlig;iges Verb: index - indexed- indexed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could index
you could index
she could index
we could index
you could index
they could index 	I could be indexing
you could be indexing
she could be indexing
we could be indexing
you could be indexing
they could be indexing	I could have indexed
you could have indexed
she could have indexed
we could have indexed
you could have indexed
they could have indexed	I could have been indexing
you could have been indexing
she could have been indexing
we could have been indexing
you could have been indexing
they could have been indexing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't index
you couldn't index
she couldn't index
we couldn't index
you couldn't index
they couldn't index 	I couldn't be indexing
you couldn't be indexing
she couldn't be indexing
we couldn't be indexing
you couldn't be indexing
they couldn't be indexing	I couldn't have indexed
you couldn't have indexed
she couldn't have indexed
we couldn't have indexed
you couldn't have indexed
they couldn't have indexed	I couldn't have been indexing
you couldn't have been indexing
she couldn't have been indexing
we couldn't have been indexing
you couldn't have been indexing
they couldn't have been indexing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I index?
could you index?
could she index?
could we index?
could you index?
could they index? 	could I be indexing?
could you be indexing?
could she be indexing?
could we be indexing?
could you be indexing?
could they be indexing? 	could I have indexed?
could you have indexed?
could she have indexed?
could we have indexed?
could you have indexed?
could they have indexed? 	could I have been indexing?
could you have been indexing?
could she have been indexing?
could we have been indexing?
could you have been indexing?
could they have been indexing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I index?
couldn't you index?
couldn't she index?
couldn't we index?
couldn't you index?
couldn't they index? 	couldn't I be indexing?
couldn't you be indexing?
couldn't she be indexing?
couldn't we be indexing?
couldn't you be indexing?
couldn't they be indexing? 	couldn't I have indexed?
couldn't you have indexed?
couldn't she have indexed?
couldn't we have indexed?
couldn't you have indexed?
couldn't they have indexed? 	couldn't I have been indexing?
couldn't you have been indexing?
couldn't she have been indexing?
couldn't we have been indexing?
couldn't you have been indexing?
couldn't they have been indexing?