could perseverate
Regelmä&szlig;iges Verb: perseverate - perseverated- perseverated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could perseverate
you could perseverate
she could perseverate
we could perseverate
you could perseverate
they could perseverate 	I could be perseverating
you could be perseverating
she could be perseverating
we could be perseverating
you could be perseverating
they could be perseverating	I could have perseverated
you could have perseverated
she could have perseverated
we could have perseverated
you could have perseverated
they could have perseverated	I could have been perseverating
you could have been perseverating
she could have been perseverating
we could have been perseverating
you could have been perseverating
they could have been perseverating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't perseverate
you couldn't perseverate
she couldn't perseverate
we couldn't perseverate
you couldn't perseverate
they couldn't perseverate 	I couldn't be perseverating
you couldn't be perseverating
she couldn't be perseverating
we couldn't be perseverating
you couldn't be perseverating
they couldn't be perseverating	I couldn't have perseverated
you couldn't have perseverated
she couldn't have perseverated
we couldn't have perseverated
you couldn't have perseverated
they couldn't have perseverated	I couldn't have been perseverating
you couldn't have been perseverating
she couldn't have been perseverating
we couldn't have been perseverating
you couldn't have been perseverating
they couldn't have been perseverating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I perseverate?
could you perseverate?
could she perseverate?
could we perseverate?
could you perseverate?
could they perseverate? 	could I be perseverating?
could you be perseverating?
could she be perseverating?
could we be perseverating?
could you be perseverating?
could they be perseverating? 	could I have perseverated?
could you have perseverated?
could she have perseverated?
could we have perseverated?
could you have perseverated?
could they have perseverated? 	could I have been perseverating?
could you have been perseverating?
could she have been perseverating?
could we have been perseverating?
could you have been perseverating?
could they have been perseverating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I perseverate?
couldn't you perseverate?
couldn't she perseverate?
couldn't we perseverate?
couldn't you perseverate?
couldn't they perseverate? 	couldn't I be perseverating?
couldn't you be perseverating?
couldn't she be perseverating?
couldn't we be perseverating?
couldn't you be perseverating?
couldn't they be perseverating? 	couldn't I have perseverated?
couldn't you have perseverated?
couldn't she have perseverated?
couldn't we have perseverated?
couldn't you have perseverated?
couldn't they have perseverated? 	couldn't I have been perseverating?
couldn't you have been perseverating?
couldn't she have been perseverating?
couldn't we have been perseverating?
couldn't you have been perseverating?
couldn't they have been perseverating?