must economise
Regelmä&szlig;iges Verb: economise - economised- economised

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must economise
you must economise
he must economise
we must economise
you must economise
they must economise 	I must be economising
you must be economising
he must be economising
we must be economising
you must be economising
they must be economising	I must have economised
you must have economised
he must have economised
we must have economised
you must have economised
they must have economised	I must have been economising
you must have been economising
he must have been economising
we must have been economising
you must have been economising
they must have been economising	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not economise
you must not economise
he must not economise
we must not economise
you must not economise
they must not economise 	I must not be economising
you must not be economising
he must not be economising
we must not be economising
you must not be economising
they must not be economising	I must not have economised
you must not have economised
he must not have economised
we must not have economised
you must not have economised
they must not have economised	I must not have been economising
you must not have been economising
he must not have been economising
we must not have been economising
you must not have been economising
they must not have been economising	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I economise?
must you economise?
must he economise?
must we economise?
must you economise?
must they economise? 	must I be economising?
must you be economising?
must he be economising?
must we be economising?
must you be economising?
must they be economising? 	must I have economised?
must you have economised?
must he have economised?
must we have economised?
must you have economised?
must they have economised? 	must I have been economising?
must you have been economising?
must he have been economising?
must we have been economising?
must you have been economising?
must they have been economising? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not economise?
must you not economise?
must he not economise?
must we not economise?
must you not economise?
must they not economise? 	must I not be economising?
must you not be economising?
must he not be economising?
must we not be economising?
must you not be economising?
must they not be economising? 	must I not have economised?
must you not have economised?
must he not have economised?
must we not have economised?
must you not have economised?
must they not have economised? 	must I not have been economising?
must you not have been economising?
must he not have been economising?
must we not have been economising?
must you not have been economising?
must they not have been economising?