must operate
Regelmä&szlig;iges Verb: operate - operated- operated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must operate
you must operate
she must operate
we must operate
you must operate
they must operate 	I must be operating
you must be operating
she must be operating
we must be operating
you must be operating
they must be operating	I must have operated
you must have operated
she must have operated
we must have operated
you must have operated
they must have operated	I must have been operating
you must have been operating
she must have been operating
we must have been operating
you must have been operating
they must have been operating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not operate
you must not operate
she must not operate
we must not operate
you must not operate
they must not operate 	I must not be operating
you must not be operating
she must not be operating
we must not be operating
you must not be operating
they must not be operating	I must not have operated
you must not have operated
she must not have operated
we must not have operated
you must not have operated
they must not have operated	I must not have been operating
you must not have been operating
she must not have been operating
we must not have been operating
you must not have been operating
they must not have been operating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I operate?
must you operate?
must she operate?
must we operate?
must you operate?
must they operate? 	must I be operating?
must you be operating?
must she be operating?
must we be operating?
must you be operating?
must they be operating? 	must I have operated?
must you have operated?
must she have operated?
must we have operated?
must you have operated?
must they have operated? 	must I have been operating?
must you have been operating?
must she have been operating?
must we have been operating?
must you have been operating?
must they have been operating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not operate?
must you not operate?
must she not operate?
must we not operate?
must you not operate?
must they not operate? 	must I not be operating?
must you not be operating?
must she not be operating?
must we not be operating?
must you not be operating?
must they not be operating? 	must I not have operated?
must you not have operated?
must she not have operated?
must we not have operated?
must you not have operated?
must they not have operated? 	must I not have been operating?
must you not have been operating?
must she not have been operating?
must we not have been operating?
must you not have been operating?
must they not have been operating?