must accuse
Regular verb: accuse - accused- accused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must accuse
you must accuse
she must accuse
we must accuse
you must accuse
they must accuse 	I must be accusing
you must be accusing
she must be accusing
we must be accusing
you must be accusing
they must be accusing	I must have accused
you must have accused
she must have accused
we must have accused
you must have accused
they must have accused	I must have been accusing
you must have been accusing
she must have been accusing
we must have been accusing
you must have been accusing
they must have been accusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't accuse
you mustn't accuse
she mustn't accuse
we mustn't accuse
you mustn't accuse
they mustn't accuse 	I mustn't be accusing
you mustn't be accusing
she mustn't be accusing
we mustn't be accusing
you mustn't be accusing
they mustn't be accusing	I mustn't have accused
you mustn't have accused
she mustn't have accused
we mustn't have accused
you mustn't have accused
they mustn't have accused	I mustn't have been accusing
you mustn't have been accusing
she mustn't have been accusing
we mustn't have been accusing
you mustn't have been accusing
they mustn't have been accusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I accuse?
must you accuse?
must she accuse?
must we accuse?
must you accuse?
must they accuse? 	must I be accusing?
must you be accusing?
must she be accusing?
must we be accusing?
must you be accusing?
must they be accusing? 	must I have accused?
must you have accused?
must she have accused?
must we have accused?
must you have accused?
must they have accused? 	must I have been accusing?
must you have been accusing?
must she have been accusing?
must we have been accusing?
must you have been accusing?
must they have been accusing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I accuse?
mustn't you accuse?
mustn't she accuse?
mustn't we accuse?
mustn't you accuse?
mustn't they accuse? 	mustn't I be accusing?
mustn't you be accusing?
mustn't she be accusing?
mustn't we be accusing?
mustn't you be accusing?
mustn't they be accusing? 	mustn't I have accused?
mustn't you have accused?
mustn't she have accused?
mustn't we have accused?
mustn't you have accused?
mustn't they have accused? 	mustn't I have been accusing?
mustn't you have been accusing?
mustn't she have been accusing?
mustn't we have been accusing?
mustn't you have been accusing?
mustn't they have been accusing?