must obstruct
Regelmä&szlig;iges Verb: obstruct - obstructed- obstructed

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must obstruct
you must obstruct
he must obstruct
we must obstruct
you must obstruct
they must obstruct 	I must be obstructing
you must be obstructing
he must be obstructing
we must be obstructing
you must be obstructing
they must be obstructing	I must have obstructed
you must have obstructed
he must have obstructed
we must have obstructed
you must have obstructed
they must have obstructed	I must have been obstructing
you must have been obstructing
he must have been obstructing
we must have been obstructing
you must have been obstructing
they must have been obstructing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not obstruct
you must not obstruct
he must not obstruct
we must not obstruct
you must not obstruct
they must not obstruct 	I must not be obstructing
you must not be obstructing
he must not be obstructing
we must not be obstructing
you must not be obstructing
they must not be obstructing	I must not have obstructed
you must not have obstructed
he must not have obstructed
we must not have obstructed
you must not have obstructed
they must not have obstructed	I must not have been obstructing
you must not have been obstructing
he must not have been obstructing
we must not have been obstructing
you must not have been obstructing
they must not have been obstructing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I obstruct?
must you obstruct?
must he obstruct?
must we obstruct?
must you obstruct?
must they obstruct? 	must I be obstructing?
must you be obstructing?
must he be obstructing?
must we be obstructing?
must you be obstructing?
must they be obstructing? 	must I have obstructed?
must you have obstructed?
must he have obstructed?
must we have obstructed?
must you have obstructed?
must they have obstructed? 	must I have been obstructing?
must you have been obstructing?
must he have been obstructing?
must we have been obstructing?
must you have been obstructing?
must they have been obstructing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not obstruct?
must you not obstruct?
must he not obstruct?
must we not obstruct?
must you not obstruct?
must they not obstruct? 	must I not be obstructing?
must you not be obstructing?
must he not be obstructing?
must we not be obstructing?
must you not be obstructing?
must they not be obstructing? 	must I not have obstructed?
must you not have obstructed?
must he not have obstructed?
must we not have obstructed?
must you not have obstructed?
must they not have obstructed? 	must I not have been obstructing?
must you not have been obstructing?
must he not have been obstructing?
must we not have been obstructing?
must you not have been obstructing?
must they not have been obstructing?