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 must not re-form you must not re-form he must not re-form we must not re-form you must not re-form they must not re-form	I must not be re-forming you must not be re-forming he must not be re-forming we must not be re-forming you must not be re-forming they must not be re-forming
Perfect	V-ing perfect
I must not have re-formed you must not have re-formed he must not have re-formed we must not have re-formed you must not have re-formed they must not have re-formed	I must not have been re-forming you must not have been re-forming he must not have been re-forming we must not have been re-forming you must not have been re-forming they must not 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
must I not re-form? must you not re-form? must he not re-form? must we not re-form? must you not re-form? must they not re-form?	must I not be re-forming? must you not be re-forming? must he not be re-forming? must we not be re-forming? must you not be re-forming? must they not be re-forming?
Perfect	V-ing perfect
must I not have re-formed? must you not have re-formed? must he not have re-formed? must we not have re-formed? must you not have re-formed? must they not have re-formed?	must I not have been re-forming? must you not have been re-forming? must he not have been re-forming? must we not have been re-forming? must you not have been re-forming? must they not have been re-forming?