must re-proof
Regular verb: re-proof - re-proofed- re-proofed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must re-proof
you must re-proof
he must re-proof
we must re-proof
you must re-proof
they must re-proof 	I must be re-proofing
you must be re-proofing
he must be re-proofing
we must be re-proofing
you must be re-proofing
they must be re-proofing	I must have re-proofed
you must have re-proofed
he must have re-proofed
we must have re-proofed
you must have re-proofed
they must have re-proofed	I must have been re-proofing
you must have been re-proofing
he must have been re-proofing
we must have been re-proofing
you must have been re-proofing
they must have been re-proofing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not re-proof
you must not re-proof
he must not re-proof
we must not re-proof
you must not re-proof
they must not re-proof 	I must not be re-proofing
you must not be re-proofing
he must not be re-proofing
we must not be re-proofing
you must not be re-proofing
they must not be re-proofing	I must not have re-proofed
you must not have re-proofed
he must not have re-proofed
we must not have re-proofed
you must not have re-proofed
they must not have re-proofed	I must not have been re-proofing
you must not have been re-proofing
he must not have been re-proofing
we must not have been re-proofing
you must not have been re-proofing
they must not have been re-proofing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I re-proof?
must you re-proof?
must he re-proof?
must we re-proof?
must you re-proof?
must they re-proof? 	must I be re-proofing?
must you be re-proofing?
must he be re-proofing?
must we be re-proofing?
must you be re-proofing?
must they be re-proofing? 	must I have re-proofed?
must you have re-proofed?
must he have re-proofed?
must we have re-proofed?
must you have re-proofed?
must they have re-proofed? 	must I have been re-proofing?
must you have been re-proofing?
must he have been re-proofing?
must we have been re-proofing?
must you have been re-proofing?
must they have been re-proofing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not re-proof?
must you not re-proof?
must he not re-proof?
must we not re-proof?
must you not re-proof?
must they not re-proof? 	must I not be re-proofing?
must you not be re-proofing?
must he not be re-proofing?
must we not be re-proofing?
must you not be re-proofing?
must they not be re-proofing? 	must I not have re-proofed?
must you not have re-proofed?
must he not have re-proofed?
must we not have re-proofed?
must you not have re-proofed?
must they not have re-proofed? 	must I not have been re-proofing?
must you not have been re-proofing?
must he not have been re-proofing?
must we not have been re-proofing?
must you not have been re-proofing?
must they not have been re-proofing?