must rework
Regular verb: rework - reworked- reworked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must rework
you must rework
she must rework
we must rework
you must rework
they must rework 	I must be reworking
you must be reworking
she must be reworking
we must be reworking
you must be reworking
they must be reworking	I must have reworked
you must have reworked
she must have reworked
we must have reworked
you must have reworked
they must have reworked	I must have been reworking
you must have been reworking
she must have been reworking
we must have been reworking
you must have been reworking
they must have been reworking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't rework
you mustn't rework
she mustn't rework
we mustn't rework
you mustn't rework
they mustn't rework 	I mustn't be reworking
you mustn't be reworking
she mustn't be reworking
we mustn't be reworking
you mustn't be reworking
they mustn't be reworking	I mustn't have reworked
you mustn't have reworked
she mustn't have reworked
we mustn't have reworked
you mustn't have reworked
they mustn't have reworked	I mustn't have been reworking
you mustn't have been reworking
she mustn't have been reworking
we mustn't have been reworking
you mustn't have been reworking
they mustn't have been reworking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I rework?
must you rework?
must she rework?
must we rework?
must you rework?
must they rework? 	must I be reworking?
must you be reworking?
must she be reworking?
must we be reworking?
must you be reworking?
must they be reworking? 	must I have reworked?
must you have reworked?
must she have reworked?
must we have reworked?
must you have reworked?
must they have reworked? 	must I have been reworking?
must you have been reworking?
must she have been reworking?
must we have been reworking?
must you have been reworking?
must they have been reworking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I rework?
mustn't you rework?
mustn't she rework?
mustn't we rework?
mustn't you rework?
mustn't they rework? 	mustn't I be reworking?
mustn't you be reworking?
mustn't she be reworking?
mustn't we be reworking?
mustn't you be reworking?
mustn't they be reworking? 	mustn't I have reworked?
mustn't you have reworked?
mustn't she have reworked?
mustn't we have reworked?
mustn't you have reworked?
mustn't they have reworked? 	mustn't I have been reworking?
mustn't you have been reworking?
mustn't she have been reworking?
mustn't we have been reworking?
mustn't you have been reworking?
mustn't they have been reworking?