must stain
Regelmä&szlig;iges Verb: stain - stained- stained

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must stain
you must stain
she must stain
we must stain
you must stain
they must stain 	I must be staining
you must be staining
she must be staining
we must be staining
you must be staining
they must be staining	I must have stained
you must have stained
she must have stained
we must have stained
you must have stained
they must have stained	I must have been staining
you must have been staining
she must have been staining
we must have been staining
you must have been staining
they must have been staining	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I mustn't stain
you mustn't stain
she mustn't stain
we mustn't stain
you mustn't stain
they mustn't stain 	I mustn't be staining
you mustn't be staining
she mustn't be staining
we mustn't be staining
you mustn't be staining
they mustn't be staining	I mustn't have stained
you mustn't have stained
she mustn't have stained
we mustn't have stained
you mustn't have stained
they mustn't have stained	I mustn't have been staining
you mustn't have been staining
she mustn't have been staining
we mustn't have been staining
you mustn't have been staining
they mustn't have been staining	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I stain?
must you stain?
must she stain?
must we stain?
must you stain?
must they stain? 	must I be staining?
must you be staining?
must she be staining?
must we be staining?
must you be staining?
must they be staining? 	must I have stained?
must you have stained?
must she have stained?
must we have stained?
must you have stained?
must they have stained? 	must I have been staining?
must you have been staining?
must she have been staining?
must we have been staining?
must you have been staining?
must they have been staining? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
mustn't I stain?
mustn't you stain?
mustn't she stain?
mustn't we stain?
mustn't you stain?
mustn't they stain? 	mustn't I be staining?
mustn't you be staining?
mustn't she be staining?
mustn't we be staining?
mustn't you be staining?
mustn't they be staining? 	mustn't I have stained?
mustn't you have stained?
mustn't she have stained?
mustn't we have stained?
mustn't you have stained?
mustn't they have stained? 	mustn't I have been staining?
mustn't you have been staining?
mustn't she have been staining?
mustn't we have been staining?
mustn't you have been staining?
mustn't they have been staining?