can master
Regelmä&szlig;iges Verb: master - mastered- mastered

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can master
you can master
he can master
we can master
you can master
they can master 	I can be mastering
you can be mastering
he can be mastering
we can be mastering
you can be mastering
they can be mastering	I can have mastered
you can have mastered
he can have mastered
we can have mastered
you can have mastered
they can have mastered	I can have been mastering
you can have been mastering
he can have been mastering
we can have been mastering
you can have been mastering
they can have been mastering	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I can't master
you can't master
he can't master
we can't master
you can't master
they can't master 	I can't be mastering
you can't be mastering
he can't be mastering
we can't be mastering
you can't be mastering
they can't be mastering	I can't have mastered
you can't have mastered
he can't have mastered
we can't have mastered
you can't have mastered
they can't have mastered	I can't have been mastering
you can't have been mastering
he can't have been mastering
we can't have been mastering
you can't have been mastering
they can't have been mastering	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can I master?
can you master?
can he master?
can we master?
can you master?
can they master? 	can I be mastering?
can you be mastering?
can he be mastering?
can we be mastering?
can you be mastering?
can they be mastering? 	can I have mastered?
can you have mastered?
can he have mastered?
can we have mastered?
can you have mastered?
can they have mastered? 	can I have been mastering?
can you have been mastering?
can he have been mastering?
can we have been mastering?
can you have been mastering?
can they have been mastering? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
can't I master?
can't you master?
can't he master?
can't we master?
can't you master?
can't they master? 	can't I be mastering?
can't you be mastering?
can't he be mastering?
can't we be mastering?
can't you be mastering?
can't they be mastering? 	can't I have mastered?
can't you have mastered?
can't he have mastered?
can't we have mastered?
can't you have mastered?
can't they have mastered? 	can't I have been mastering?
can't you have been mastering?
can't he have been mastering?
can't we have been mastering?
can't you have been mastering?
can't they have been mastering?