English verb conjugation
MUST RE-PROVE

Regular verb: re-prove - re-proved - re-proved

Affirmation

Simple form	V-ing form
I must re-prove you must re-prove he must re-prove we must re-prove you must re-prove they must re-prove	I must be re-proving you must be re-proving he must be re-proving we must be re-proving you must be re-proving they must be re-proving
Perfect	V-ing perfect
I must have re-proved you must have re-proved he must have re-proved we must have re-proved you must have re-proved they must have re-proved	I must have been re-proving you must have been re-proving he must have been re-proving we must have been re-proving you must have been re-proving they must have been re-proving

Negation

Simple form	V-ing form
I must not re-prove you must not re-prove he must not re-prove we must not re-prove you must not re-prove they must not re-prove	I must not be re-proving you must not be re-proving he must not be re-proving we must not be re-proving you must not be re-proving they must not be re-proving
Perfect	V-ing perfect
I must not have re-proved you must not have re-proved he must not have re-proved we must not have re-proved you must not have re-proved they must not have re-proved	I must not have been re-proving you must not have been re-proving he must not have been re-proving we must not have been re-proving you must not have been re-proving they must not have been re-proving

Interrogative form

Simple form	V-ing form
must I re-prove? must you re-prove? must he re-prove? must we re-prove? must you re-prove? must they re-prove?	must I be re-proving? must you be re-proving? must he be re-proving? must we be re-proving? must you be re-proving? must they be re-proving?
Perfect	V-ing perfect
must I have re-proved? must you have re-proved? must he have re-proved? must we have re-proved? must you have re-proved? must they have re-proved?	must I have been re-proving? must you have been re-proving? must he have been re-proving? must we have been re-proving? must you have been re-proving? must they have been re-proving?

Interro-negative form

Simple form	V-ing form
must I not re-prove? must you not re-prove? must he not re-prove? must we not re-prove? must you not re-prove? must they not re-prove?	must I not be re-proving? must you not be re-proving? must he not be re-proving? must we not be re-proving? must you not be re-proving? must they not be re-proving?
Perfect	V-ing perfect
must I not have re-proved? must you not have re-proved? must he not have re-proved? must we not have re-proved? must you not have re-proved? must they not have re-proved?	must I not have been re-proving? must you not have been re-proving? must he not have been re-proving? must we not have been re-proving? must you not have been re-proving? must they not have been re-proving?