must rustproof
Verbe régulier : rustproof - rustproofed- rustproofed
Traduction française : traiter contre la rouille 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must rustproof
you must rustproof
she must rustproof
we must rustproof
you must rustproof
they must rustproof 	I must be rustproofing
you must be rustproofing
she must be rustproofing
we must be rustproofing
you must be rustproofing
they must be rustproofing	I must have rustproofed
you must have rustproofed
she must have rustproofed
we must have rustproofed
you must have rustproofed
they must have rustproofed	I must have been rustproofing
you must have been rustproofing
she must have been rustproofing
we must have been rustproofing
you must have been rustproofing
they must have been rustproofing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not rustproof
you must not rustproof
she must not rustproof
we must not rustproof
you must not rustproof
they must not rustproof 	I must not be rustproofing
you must not be rustproofing
she must not be rustproofing
we must not be rustproofing
you must not be rustproofing
they must not be rustproofing	I must not have rustproofed
you must not have rustproofed
she must not have rustproofed
we must not have rustproofed
you must not have rustproofed
they must not have rustproofed	I must not have been rustproofing
you must not have been rustproofing
she must not have been rustproofing
we must not have been rustproofing
you must not have been rustproofing
they must not have been rustproofing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I rustproof?
must you rustproof?
must she rustproof?
must we rustproof?
must you rustproof?
must they rustproof? 	must I be rustproofing?
must you be rustproofing?
must she be rustproofing?
must we be rustproofing?
must you be rustproofing?
must they be rustproofing? 	must I have rustproofed?
must you have rustproofed?
must she have rustproofed?
must we have rustproofed?
must you have rustproofed?
must they have rustproofed? 	must I have been rustproofing?
must you have been rustproofing?
must she have been rustproofing?
must we have been rustproofing?
must you have been rustproofing?
must they have been rustproofing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not rustproof?
must you not rustproof?
must she not rustproof?
must we not rustproof?
must you not rustproof?
must they not rustproof? 	must I not be rustproofing?
must you not be rustproofing?
must she not be rustproofing?
must we not be rustproofing?
must you not be rustproofing?
must they not be rustproofing? 	must I not have rustproofed?
must you not have rustproofed?
must she not have rustproofed?
must we not have rustproofed?
must you not have rustproofed?
must they not have rustproofed? 	must I not have been rustproofing?
must you not have been rustproofing?
must she not have been rustproofing?
must we not have been rustproofing?
must you not have been rustproofing?
must they not have been rustproofing?