must backstop
Regelmä&szlig;iges Verb: backstop - backstoped- backstoped

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must backstop
you must backstop
he must backstop
we must backstop
you must backstop
they must backstop 	I must be backstoping
you must be backstoping
he must be backstoping
we must be backstoping
you must be backstoping
they must be backstoping	I must have backstoped
you must have backstoped
he must have backstoped
we must have backstoped
you must have backstoped
they must have backstoped	I must have been backstoping
you must have been backstoping
he must have been backstoping
we must have been backstoping
you must have been backstoping
they must have been backstoping	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not backstop
you must not backstop
he must not backstop
we must not backstop
you must not backstop
they must not backstop 	I must not be backstoping
you must not be backstoping
he must not be backstoping
we must not be backstoping
you must not be backstoping
they must not be backstoping	I must not have backstoped
you must not have backstoped
he must not have backstoped
we must not have backstoped
you must not have backstoped
they must not have backstoped	I must not have been backstoping
you must not have been backstoping
he must not have been backstoping
we must not have been backstoping
you must not have been backstoping
they must not have been backstoping	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I backstop?
must you backstop?
must he backstop?
must we backstop?
must you backstop?
must they backstop? 	must I be backstoping?
must you be backstoping?
must he be backstoping?
must we be backstoping?
must you be backstoping?
must they be backstoping? 	must I have backstoped?
must you have backstoped?
must he have backstoped?
must we have backstoped?
must you have backstoped?
must they have backstoped? 	must I have been backstoping?
must you have been backstoping?
must he have been backstoping?
must we have been backstoping?
must you have been backstoping?
must they have been backstoping? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not backstop?
must you not backstop?
must he not backstop?
must we not backstop?
must you not backstop?
must they not backstop? 	must I not be backstoping?
must you not be backstoping?
must he not be backstoping?
must we not be backstoping?
must you not be backstoping?
must they not be backstoping? 	must I not have backstoped?
must you not have backstoped?
must he not have backstoped?
must we not have backstoped?
must you not have backstoped?
must they not have backstoped? 	must I not have been backstoping?
must you not have been backstoping?
must he not have been backstoping?
must we not have been backstoping?
must you not have been backstoping?
must they not have been backstoping?