must authenticate
Regelmä&szlig;iges Verb: authenticate - authenticated- authenticated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must authenticate
you must authenticate
she must authenticate
we must authenticate
you must authenticate
they must authenticate 	I must be authenticating
you must be authenticating
she must be authenticating
we must be authenticating
you must be authenticating
they must be authenticating	I must have authenticated
you must have authenticated
she must have authenticated
we must have authenticated
you must have authenticated
they must have authenticated	I must have been authenticating
you must have been authenticating
she must have been authenticating
we must have been authenticating
you must have been authenticating
they must have been authenticating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not authenticate
you must not authenticate
she must not authenticate
we must not authenticate
you must not authenticate
they must not authenticate 	I must not be authenticating
you must not be authenticating
she must not be authenticating
we must not be authenticating
you must not be authenticating
they must not be authenticating	I must not have authenticated
you must not have authenticated
she must not have authenticated
we must not have authenticated
you must not have authenticated
they must not have authenticated	I must not have been authenticating
you must not have been authenticating
she must not have been authenticating
we must not have been authenticating
you must not have been authenticating
they must not have been authenticating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I authenticate?
must you authenticate?
must she authenticate?
must we authenticate?
must you authenticate?
must they authenticate? 	must I be authenticating?
must you be authenticating?
must she be authenticating?
must we be authenticating?
must you be authenticating?
must they be authenticating? 	must I have authenticated?
must you have authenticated?
must she have authenticated?
must we have authenticated?
must you have authenticated?
must they have authenticated? 	must I have been authenticating?
must you have been authenticating?
must she have been authenticating?
must we have been authenticating?
must you have been authenticating?
must they have been authenticating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not authenticate?
must you not authenticate?
must she not authenticate?
must we not authenticate?
must you not authenticate?
must they not authenticate? 	must I not be authenticating?
must you not be authenticating?
must she not be authenticating?
must we not be authenticating?
must you not be authenticating?
must they not be authenticating? 	must I not have authenticated?
must you not have authenticated?
must she not have authenticated?
must we not have authenticated?
must you not have authenticated?
must they not have authenticated? 	must I not have been authenticating?
must you not have been authenticating?
must she not have been authenticating?
must we not have been authenticating?
must you not have been authenticating?
must they not have been authenticating?