must refract
Regelmä&szlig;iges Verb: refract - refracted- refracted

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must refract
you must refract
she must refract
we must refract
you must refract
they must refract 	I must be refracting
you must be refracting
she must be refracting
we must be refracting
you must be refracting
they must be refracting	I must have refracted
you must have refracted
she must have refracted
we must have refracted
you must have refracted
they must have refracted	I must have been refracting
you must have been refracting
she must have been refracting
we must have been refracting
you must have been refracting
they must have been refracting	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't refract
you mustn't refract
she mustn't refract
we mustn't refract
you mustn't refract
they mustn't refract 	I mustn't be refracting
you mustn't be refracting
she mustn't be refracting
we mustn't be refracting
you mustn't be refracting
they mustn't be refracting	I mustn't have refracted
you mustn't have refracted
she mustn't have refracted
we mustn't have refracted
you mustn't have refracted
they mustn't have refracted	I mustn't have been refracting
you mustn't have been refracting
she mustn't have been refracting
we mustn't have been refracting
you mustn't have been refracting
they mustn't have been refracting	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I refract?
must you refract?
must she refract?
must we refract?
must you refract?
must they refract? 	must I be refracting?
must you be refracting?
must she be refracting?
must we be refracting?
must you be refracting?
must they be refracting? 	must I have refracted?
must you have refracted?
must she have refracted?
must we have refracted?
must you have refracted?
must they have refracted? 	must I have been refracting?
must you have been refracting?
must she have been refracting?
must we have been refracting?
must you have been refracting?
must they have been refracting? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I refract?
mustn't you refract?
mustn't she refract?
mustn't we refract?
mustn't you refract?
mustn't they refract? 	mustn't I be refracting?
mustn't you be refracting?
mustn't she be refracting?
mustn't we be refracting?
mustn't you be refracting?
mustn't they be refracting? 	mustn't I have refracted?
mustn't you have refracted?
mustn't she have refracted?
mustn't we have refracted?
mustn't you have refracted?
mustn't they have refracted? 	mustn't I have been refracting?
mustn't you have been refracting?
mustn't she have been refracting?
mustn't we have been refracting?
mustn't you have been refracting?
mustn't they have been refracting?