must damage
Regular verb: damage - damaged- damaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must damage
you must damage
she must damage
we must damage
you must damage
they must damage 	I must be damaging
you must be damaging
she must be damaging
we must be damaging
you must be damaging
they must be damaging	I must have damaged
you must have damaged
she must have damaged
we must have damaged
you must have damaged
they must have damaged	I must have been damaging
you must have been damaging
she must have been damaging
we must have been damaging
you must have been damaging
they must have been damaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't damage
you mustn't damage
she mustn't damage
we mustn't damage
you mustn't damage
they mustn't damage 	I mustn't be damaging
you mustn't be damaging
she mustn't be damaging
we mustn't be damaging
you mustn't be damaging
they mustn't be damaging	I mustn't have damaged
you mustn't have damaged
she mustn't have damaged
we mustn't have damaged
you mustn't have damaged
they mustn't have damaged	I mustn't have been damaging
you mustn't have been damaging
she mustn't have been damaging
we mustn't have been damaging
you mustn't have been damaging
they mustn't have been damaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I damage?
must you damage?
must she damage?
must we damage?
must you damage?
must they damage? 	must I be damaging?
must you be damaging?
must she be damaging?
must we be damaging?
must you be damaging?
must they be damaging? 	must I have damaged?
must you have damaged?
must she have damaged?
must we have damaged?
must you have damaged?
must they have damaged? 	must I have been damaging?
must you have been damaging?
must she have been damaging?
must we have been damaging?
must you have been damaging?
must they have been damaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I damage?
mustn't you damage?
mustn't she damage?
mustn't we damage?
mustn't you damage?
mustn't they damage? 	mustn't I be damaging?
mustn't you be damaging?
mustn't she be damaging?
mustn't we be damaging?
mustn't you be damaging?
mustn't they be damaging? 	mustn't I have damaged?
mustn't you have damaged?
mustn't she have damaged?
mustn't we have damaged?
mustn't you have damaged?
mustn't they have damaged? 	mustn't I have been damaging?
mustn't you have been damaging?
mustn't she have been damaging?
mustn't we have been damaging?
mustn't you have been damaging?
mustn't they have been damaging?