must lock
Regelmä&szlig;iges Verb: lock - locked- locked

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must lock
you must lock
she must lock
we must lock
you must lock
they must lock 	I must be locking
you must be locking
she must be locking
we must be locking
you must be locking
they must be locking	I must have locked
you must have locked
she must have locked
we must have locked
you must have locked
they must have locked	I must have been locking
you must have been locking
she must have been locking
we must have been locking
you must have been locking
they must have been locking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not lock
you must not lock
she must not lock
we must not lock
you must not lock
they must not lock 	I must not be locking
you must not be locking
she must not be locking
we must not be locking
you must not be locking
they must not be locking	I must not have locked
you must not have locked
she must not have locked
we must not have locked
you must not have locked
they must not have locked	I must not have been locking
you must not have been locking
she must not have been locking
we must not have been locking
you must not have been locking
they must not have been locking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I lock?
must you lock?
must she lock?
must we lock?
must you lock?
must they lock? 	must I be locking?
must you be locking?
must she be locking?
must we be locking?
must you be locking?
must they be locking? 	must I have locked?
must you have locked?
must she have locked?
must we have locked?
must you have locked?
must they have locked? 	must I have been locking?
must you have been locking?
must she have been locking?
must we have been locking?
must you have been locking?
must they have been locking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not lock?
must you not lock?
must she not lock?
must we not lock?
must you not lock?
must they not lock? 	must I not be locking?
must you not be locking?
must she not be locking?
must we not be locking?
must you not be locking?
must they not be locking? 	must I not have locked?
must you not have locked?
must she not have locked?
must we not have locked?
must you not have locked?
must they not have locked? 	must I not have been locking?
must you not have been locking?
must she not have been locking?
must we not have been locking?
must you not have been locking?
must they not have been locking?