must roost
Regelmä&szlig;iges Verb: roost - roosted- roosted

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must roost
you must roost
she must roost
we must roost
you must roost
they must roost 	I must be roosting
you must be roosting
she must be roosting
we must be roosting
you must be roosting
they must be roosting	I must have roosted
you must have roosted
she must have roosted
we must have roosted
you must have roosted
they must have roosted	I must have been roosting
you must have been roosting
she must have been roosting
we must have been roosting
you must have been roosting
they must have been roosting	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not roost
you must not roost
she must not roost
we must not roost
you must not roost
they must not roost 	I must not be roosting
you must not be roosting
she must not be roosting
we must not be roosting
you must not be roosting
they must not be roosting	I must not have roosted
you must not have roosted
she must not have roosted
we must not have roosted
you must not have roosted
they must not have roosted	I must not have been roosting
you must not have been roosting
she must not have been roosting
we must not have been roosting
you must not have been roosting
they must not have been roosting	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I roost?
must you roost?
must she roost?
must we roost?
must you roost?
must they roost? 	must I be roosting?
must you be roosting?
must she be roosting?
must we be roosting?
must you be roosting?
must they be roosting? 	must I have roosted?
must you have roosted?
must she have roosted?
must we have roosted?
must you have roosted?
must they have roosted? 	must I have been roosting?
must you have been roosting?
must she have been roosting?
must we have been roosting?
must you have been roosting?
must they have been roosting? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not roost?
must you not roost?
must she not roost?
must we not roost?
must you not roost?
must they not roost? 	must I not be roosting?
must you not be roosting?
must she not be roosting?
must we not be roosting?
must you not be roosting?
must they not be roosting? 	must I not have roosted?
must you not have roosted?
must she not have roosted?
must we not have roosted?
must you not have roosted?
must they not have roosted? 	must I not have been roosting?
must you not have been roosting?
must she not have been roosting?
must we not have been roosting?
must you not have been roosting?
must they not have been roosting?