must corroborate
Regelmä&szlig;iges Verb: corroborate - corroborated- corroborated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must corroborate
you must corroborate
she must corroborate
we must corroborate
you must corroborate
they must corroborate 	I must be corroborating
you must be corroborating
she must be corroborating
we must be corroborating
you must be corroborating
they must be corroborating	I must have corroborated
you must have corroborated
she must have corroborated
we must have corroborated
you must have corroborated
they must have corroborated	I must have been corroborating
you must have been corroborating
she must have been corroborating
we must have been corroborating
you must have been corroborating
they must have been corroborating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not corroborate
you must not corroborate
she must not corroborate
we must not corroborate
you must not corroborate
they must not corroborate 	I must not be corroborating
you must not be corroborating
she must not be corroborating
we must not be corroborating
you must not be corroborating
they must not be corroborating	I must not have corroborated
you must not have corroborated
she must not have corroborated
we must not have corroborated
you must not have corroborated
they must not have corroborated	I must not have been corroborating
you must not have been corroborating
she must not have been corroborating
we must not have been corroborating
you must not have been corroborating
they must not have been corroborating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I corroborate?
must you corroborate?
must she corroborate?
must we corroborate?
must you corroborate?
must they corroborate? 	must I be corroborating?
must you be corroborating?
must she be corroborating?
must we be corroborating?
must you be corroborating?
must they be corroborating? 	must I have corroborated?
must you have corroborated?
must she have corroborated?
must we have corroborated?
must you have corroborated?
must they have corroborated? 	must I have been corroborating?
must you have been corroborating?
must she have been corroborating?
must we have been corroborating?
must you have been corroborating?
must they have been corroborating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not corroborate?
must you not corroborate?
must she not corroborate?
must we not corroborate?
must you not corroborate?
must they not corroborate? 	must I not be corroborating?
must you not be corroborating?
must she not be corroborating?
must we not be corroborating?
must you not be corroborating?
must they not be corroborating? 	must I not have corroborated?
must you not have corroborated?
must she not have corroborated?
must we not have corroborated?
must you not have corroborated?
must they not have corroborated? 	must I not have been corroborating?
must you not have been corroborating?
must she not have been corroborating?
must we not have been corroborating?
must you not have been corroborating?
must they not have been corroborating?