must sift
Regelmä&szlig;iges Verb: sift - sifted- sifted

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must sift
you must sift
he must sift
we must sift
you must sift
they must sift 	I must be sifting
you must be sifting
he must be sifting
we must be sifting
you must be sifting
they must be sifting	I must have sifted
you must have sifted
he must have sifted
we must have sifted
you must have sifted
they must have sifted	I must have been sifting
you must have been sifting
he must have been sifting
we must have been sifting
you must have been sifting
they must have been sifting	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't sift
you mustn't sift
he mustn't sift
we mustn't sift
you mustn't sift
they mustn't sift 	I mustn't be sifting
you mustn't be sifting
he mustn't be sifting
we mustn't be sifting
you mustn't be sifting
they mustn't be sifting	I mustn't have sifted
you mustn't have sifted
he mustn't have sifted
we mustn't have sifted
you mustn't have sifted
they mustn't have sifted	I mustn't have been sifting
you mustn't have been sifting
he mustn't have been sifting
we mustn't have been sifting
you mustn't have been sifting
they mustn't have been sifting	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I sift?
must you sift?
must he sift?
must we sift?
must you sift?
must they sift? 	must I be sifting?
must you be sifting?
must he be sifting?
must we be sifting?
must you be sifting?
must they be sifting? 	must I have sifted?
must you have sifted?
must he have sifted?
must we have sifted?
must you have sifted?
must they have sifted? 	must I have been sifting?
must you have been sifting?
must he have been sifting?
must we have been sifting?
must you have been sifting?
must they have been sifting? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I sift?
mustn't you sift?
mustn't he sift?
mustn't we sift?
mustn't you sift?
mustn't they sift? 	mustn't I be sifting?
mustn't you be sifting?
mustn't he be sifting?
mustn't we be sifting?
mustn't you be sifting?
mustn't they be sifting? 	mustn't I have sifted?
mustn't you have sifted?
mustn't he have sifted?
mustn't we have sifted?
mustn't you have sifted?
mustn't they have sifted? 	mustn't I have been sifting?
mustn't you have been sifting?
mustn't he have been sifting?
mustn't we have been sifting?
mustn't you have been sifting?
mustn't they have been sifting?