must corrugate
Regelmä&szlig;iges Verb: corrugate - corrugated- corrugated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must corrugate
you must corrugate
he must corrugate
we must corrugate
you must corrugate
they must corrugate 	I must be corrugating
you must be corrugating
he must be corrugating
we must be corrugating
you must be corrugating
they must be corrugating	I must have corrugated
you must have corrugated
he must have corrugated
we must have corrugated
you must have corrugated
they must have corrugated	I must have been corrugating
you must have been corrugating
he must have been corrugating
we must have been corrugating
you must have been corrugating
they must have been corrugating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I must not corrugate
you must not corrugate
he must not corrugate
we must not corrugate
you must not corrugate
they must not corrugate 	I must not be corrugating
you must not be corrugating
he must not be corrugating
we must not be corrugating
you must not be corrugating
they must not be corrugating	I must not have corrugated
you must not have corrugated
he must not have corrugated
we must not have corrugated
you must not have corrugated
they must not have corrugated	I must not have been corrugating
you must not have been corrugating
he must not have been corrugating
we must not have been corrugating
you must not have been corrugating
they must not have been corrugating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I corrugate?
must you corrugate?
must he corrugate?
must we corrugate?
must you corrugate?
must they corrugate? 	must I be corrugating?
must you be corrugating?
must he be corrugating?
must we be corrugating?
must you be corrugating?
must they be corrugating? 	must I have corrugated?
must you have corrugated?
must he have corrugated?
must we have corrugated?
must you have corrugated?
must they have corrugated? 	must I have been corrugating?
must you have been corrugating?
must he have been corrugating?
must we have been corrugating?
must you have been corrugating?
must they have been corrugating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
must I not corrugate?
must you not corrugate?
must he not corrugate?
must we not corrugate?
must you not corrugate?
must they not corrugate? 	must I not be corrugating?
must you not be corrugating?
must he not be corrugating?
must we not be corrugating?
must you not be corrugating?
must they not be corrugating? 	must I not have corrugated?
must you not have corrugated?
must he not have corrugated?
must we not have corrugated?
must you not have corrugated?
must they not have corrugated? 	must I not have been corrugating?
must you not have been corrugating?
must he not have been corrugating?
must we not have been corrugating?
must you not have been corrugating?
must they not have been corrugating?