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

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

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I should not master
you should not master
he should not master
we should not master
you should not master
they should not master 	I should not be mastering
you should not be mastering
he should not be mastering
we should not be mastering
you should not be mastering
they should not be mastering	I should not have mastered
you should not have mastered
he should not have mastered
we should not have mastered
you should not have mastered
they should not have mastered	I should not have been mastering
you should not have been mastering
he should not have been mastering
we should not have been mastering
you should not have been mastering
they should not have been mastering	

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

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