must endamage
Regular verb: endamage - endamaged- endamaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must endamage
you must endamage
she must endamage
we must endamage
you must endamage
they must endamage 	I must be endamaging
you must be endamaging
she must be endamaging
we must be endamaging
you must be endamaging
they must be endamaging	I must have endamaged
you must have endamaged
she must have endamaged
we must have endamaged
you must have endamaged
they must have endamaged	I must have been endamaging
you must have been endamaging
she must have been endamaging
we must have been endamaging
you must have been endamaging
they must have been endamaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't endamage
you mustn't endamage
she mustn't endamage
we mustn't endamage
you mustn't endamage
they mustn't endamage 	I mustn't be endamaging
you mustn't be endamaging
she mustn't be endamaging
we mustn't be endamaging
you mustn't be endamaging
they mustn't be endamaging	I mustn't have endamaged
you mustn't have endamaged
she mustn't have endamaged
we mustn't have endamaged
you mustn't have endamaged
they mustn't have endamaged	I mustn't have been endamaging
you mustn't have been endamaging
she mustn't have been endamaging
we mustn't have been endamaging
you mustn't have been endamaging
they mustn't have been endamaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I endamage?
must you endamage?
must she endamage?
must we endamage?
must you endamage?
must they endamage? 	must I be endamaging?
must you be endamaging?
must she be endamaging?
must we be endamaging?
must you be endamaging?
must they be endamaging? 	must I have endamaged?
must you have endamaged?
must she have endamaged?
must we have endamaged?
must you have endamaged?
must they have endamaged? 	must I have been endamaging?
must you have been endamaging?
must she have been endamaging?
must we have been endamaging?
must you have been endamaging?
must they have been endamaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I endamage?
mustn't you endamage?
mustn't she endamage?
mustn't we endamage?
mustn't you endamage?
mustn't they endamage? 	mustn't I be endamaging?
mustn't you be endamaging?
mustn't she be endamaging?
mustn't we be endamaging?
mustn't you be endamaging?
mustn't they be endamaging? 	mustn't I have endamaged?
mustn't you have endamaged?
mustn't she have endamaged?
mustn't we have endamaged?
mustn't you have endamaged?
mustn't they have endamaged? 	mustn't I have been endamaging?
mustn't you have been endamaging?
mustn't she have been endamaging?
mustn't we have been endamaging?
mustn't you have been endamaging?
mustn't they have been endamaging?