must enquire
Regelmä&szlig;iges Verb: enquire - enquired- enquired

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must enquire
you must enquire
she must enquire
we must enquire
you must enquire
they must enquire 	I must be enquiring
you must be enquiring
she must be enquiring
we must be enquiring
you must be enquiring
they must be enquiring	I must have enquired
you must have enquired
she must have enquired
we must have enquired
you must have enquired
they must have enquired	I must have been enquiring
you must have been enquiring
she must have been enquiring
we must have been enquiring
you must have been enquiring
they must have been enquiring	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not enquire
you must not enquire
she must not enquire
we must not enquire
you must not enquire
they must not enquire 	I must not be enquiring
you must not be enquiring
she must not be enquiring
we must not be enquiring
you must not be enquiring
they must not be enquiring	I must not have enquired
you must not have enquired
she must not have enquired
we must not have enquired
you must not have enquired
they must not have enquired	I must not have been enquiring
you must not have been enquiring
she must not have been enquiring
we must not have been enquiring
you must not have been enquiring
they must not have been enquiring	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I enquire?
must you enquire?
must she enquire?
must we enquire?
must you enquire?
must they enquire? 	must I be enquiring?
must you be enquiring?
must she be enquiring?
must we be enquiring?
must you be enquiring?
must they be enquiring? 	must I have enquired?
must you have enquired?
must she have enquired?
must we have enquired?
must you have enquired?
must they have enquired? 	must I have been enquiring?
must you have been enquiring?
must she have been enquiring?
must we have been enquiring?
must you have been enquiring?
must they have been enquiring? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not enquire?
must you not enquire?
must she not enquire?
must we not enquire?
must you not enquire?
must they not enquire? 	must I not be enquiring?
must you not be enquiring?
must she not be enquiring?
must we not be enquiring?
must you not be enquiring?
must they not be enquiring? 	must I not have enquired?
must you not have enquired?
must she not have enquired?
must we not have enquired?
must you not have enquired?
must they not have enquired? 	must I not have been enquiring?
must you not have been enquiring?
must she not have been enquiring?
must we not have been enquiring?
must you not have been enquiring?
must they not have been enquiring?