must underheat
Regelmä&szlig;iges Verb: underheat - underheated- underheated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must underheat
you must underheat
she must underheat
we must underheat
you must underheat
they must underheat 	I must be underheating
you must be underheating
she must be underheating
we must be underheating
you must be underheating
they must be underheating	I must have underheated
you must have underheated
she must have underheated
we must have underheated
you must have underheated
they must have underheated	I must have been underheating
you must have been underheating
she must have been underheating
we must have been underheating
you must have been underheating
they must have been underheating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not underheat
you must not underheat
she must not underheat
we must not underheat
you must not underheat
they must not underheat 	I must not be underheating
you must not be underheating
she must not be underheating
we must not be underheating
you must not be underheating
they must not be underheating	I must not have underheated
you must not have underheated
she must not have underheated
we must not have underheated
you must not have underheated
they must not have underheated	I must not have been underheating
you must not have been underheating
she must not have been underheating
we must not have been underheating
you must not have been underheating
they must not have been underheating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I underheat?
must you underheat?
must she underheat?
must we underheat?
must you underheat?
must they underheat? 	must I be underheating?
must you be underheating?
must she be underheating?
must we be underheating?
must you be underheating?
must they be underheating? 	must I have underheated?
must you have underheated?
must she have underheated?
must we have underheated?
must you have underheated?
must they have underheated? 	must I have been underheating?
must you have been underheating?
must she have been underheating?
must we have been underheating?
must you have been underheating?
must they have been underheating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not underheat?
must you not underheat?
must she not underheat?
must we not underheat?
must you not underheat?
must they not underheat? 	must I not be underheating?
must you not be underheating?
must she not be underheating?
must we not be underheating?
must you not be underheating?
must they not be underheating? 	must I not have underheated?
must you not have underheated?
must she not have underheated?
must we not have underheated?
must you not have underheated?
must they not have underheated? 	must I not have been underheating?
must you not have been underheating?
must she not have been underheating?
must we not have been underheating?
must you not have been underheating?
must they not have been underheating?