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
he must stain
we must stain
you must stain
they must stain 	I must be staining
you must be staining
he must be staining
we must be staining
you must be staining
they must be staining	I must have stained
you must have stained
he 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
he 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 must not stain
you must not stain
he must not stain
we must not stain
you must not stain
they must not stain 	I must not be staining
you must not be staining
he must not be staining
we must not be staining
you must not be staining
they must not be staining	I must not have stained
you must not have stained
he must not have stained
we must not have stained
you must not have stained
they must not have stained	I must not have been staining
you must not have been staining
he must not have been staining
we must not have been staining
you must not have been staining
they must not have been staining	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I stain?
must you stain?
must he stain?
must we stain?
must you stain?
must they stain? 	must I be staining?
must you be staining?
must he be staining?
must we be staining?
must you be staining?
must they be staining? 	must I have stained?
must you have stained?
must he 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 he 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 	
must I not stain?
must you not stain?
must he not stain?
must we not stain?
must you not stain?
must they not stain? 	must I not be staining?
must you not be staining?
must he not be staining?
must we not be staining?
must you not be staining?
must they not be staining? 	must I not have stained?
must you not have stained?
must he not have stained?
must we not have stained?
must you not have stained?
must they not have stained? 	must I not have been staining?
must you not have been staining?
must he not have been staining?
must we not have been staining?
must you not have been staining?
must they not have been staining?