English verb conjugation
MUST RE-FORM

Regular verb: re-form - re-formed - re-formed

Affirmation

Simple form	V-ing form
I must re-form you must re-form he must re-form we must re-form you must re-form they must re-form	I must be re-forming you must be re-forming he must be re-forming we must be re-forming you must be re-forming they must be re-forming
Perfect	V-ing perfect
I must have re-formed you must have re-formed he must have re-formed we must have re-formed you must have re-formed they must have re-formed	I must have been re-forming you must have been re-forming he must have been re-forming we must have been re-forming you must have been re-forming they must have been re-forming

Negation

Simple form	V-ing form
I mustn't re-form you mustn't re-form he mustn't re-form we mustn't re-form you mustn't re-form they mustn't re-form	I mustn't be re-forming you mustn't be re-forming he mustn't be re-forming we mustn't be re-forming you mustn't be re-forming they mustn't be re-forming
Perfect	V-ing perfect
I mustn't have re-formed you mustn't have re-formed he mustn't have re-formed we mustn't have re-formed you mustn't have re-formed they mustn't have re-formed	I mustn't have been re-forming you mustn't have been re-forming he mustn't have been re-forming we mustn't have been re-forming you mustn't have been re-forming they mustn't have been re-forming

Interrogative form

Simple form	V-ing form
must I re-form? must you re-form? must he re-form? must we re-form? must you re-form? must they re-form?	must I be re-forming? must you be re-forming? must he be re-forming? must we be re-forming? must you be re-forming? must they be re-forming?
Perfect	V-ing perfect
must I have re-formed? must you have re-formed? must he have re-formed? must we have re-formed? must you have re-formed? must they have re-formed?	must I have been re-forming? must you have been re-forming? must he have been re-forming? must we have been re-forming? must you have been re-forming? must they have been re-forming?

Interro-negative form

Simple form	V-ing form
mustn't I re-form? mustn't you re-form? mustn't he re-form? mustn't we re-form? mustn't you re-form? mustn't they re-form?	mustn't I be re-forming? mustn't you be re-forming? mustn't he be re-forming? mustn't we be re-forming? mustn't you be re-forming? mustn't they be re-forming?
Perfect	V-ing perfect
mustn't I have re-formed? mustn't you have re-formed? mustn't he have re-formed? mustn't we have re-formed? mustn't you have re-formed? mustn't they have re-formed?	mustn't I have been re-forming? mustn't you have been re-forming? mustn't he have been re-forming? mustn't we have been re-forming? mustn't you have been re-forming? mustn't they have been re-forming?