could occur
Regelmä&szlig;iges Verb: occur - occurred- occurred

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could occur
you could occur
she could occur
we could occur
you could occur
they could occur 	I could be occurring
you could be occurring
she could be occurring
we could be occurring
you could be occurring
they could be occurring	I could have occurred
you could have occurred
she could have occurred
we could have occurred
you could have occurred
they could have occurred	I could have been occurring
you could have been occurring
she could have been occurring
we could have been occurring
you could have been occurring
they could have been occurring	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't occur
you couldn't occur
she couldn't occur
we couldn't occur
you couldn't occur
they couldn't occur 	I couldn't be occurring
you couldn't be occurring
she couldn't be occurring
we couldn't be occurring
you couldn't be occurring
they couldn't be occurring	I couldn't have occurred
you couldn't have occurred
she couldn't have occurred
we couldn't have occurred
you couldn't have occurred
they couldn't have occurred	I couldn't have been occurring
you couldn't have been occurring
she couldn't have been occurring
we couldn't have been occurring
you couldn't have been occurring
they couldn't have been occurring	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I occur?
could you occur?
could she occur?
could we occur?
could you occur?
could they occur? 	could I be occurring?
could you be occurring?
could she be occurring?
could we be occurring?
could you be occurring?
could they be occurring? 	could I have occurred?
could you have occurred?
could she have occurred?
could we have occurred?
could you have occurred?
could they have occurred? 	could I have been occurring?
could you have been occurring?
could she have been occurring?
could we have been occurring?
could you have been occurring?
could they have been occurring? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I occur?
couldn't you occur?
couldn't she occur?
couldn't we occur?
couldn't you occur?
couldn't they occur? 	couldn't I be occurring?
couldn't you be occurring?
couldn't she be occurring?
couldn't we be occurring?
couldn't you be occurring?
couldn't they be occurring? 	couldn't I have occurred?
couldn't you have occurred?
couldn't she have occurred?
couldn't we have occurred?
couldn't you have occurred?
couldn't they have occurred? 	couldn't I have been occurring?
couldn't you have been occurring?
couldn't she have been occurring?
couldn't we have been occurring?
couldn't you have been occurring?
couldn't they have been occurring?