must proof
Verbe régulier : proof - proofed- proofed
Traduction française : imperméabiliser - corriger les épreuves de 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must proof
you must proof
she must proof
we must proof
you must proof
they must proof 	I must be proofing
you must be proofing
she must be proofing
we must be proofing
you must be proofing
they must be proofing	I must have proofed
you must have proofed
she must have proofed
we must have proofed
you must have proofed
they must have proofed	I must have been proofing
you must have been proofing
she must have been proofing
we must have been proofing
you must have been proofing
they must have been proofing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't proof
you mustn't proof
she mustn't proof
we mustn't proof
you mustn't proof
they mustn't proof 	I mustn't be proofing
you mustn't be proofing
she mustn't be proofing
we mustn't be proofing
you mustn't be proofing
they mustn't be proofing	I mustn't have proofed
you mustn't have proofed
she mustn't have proofed
we mustn't have proofed
you mustn't have proofed
they mustn't have proofed	I mustn't have been proofing
you mustn't have been proofing
she mustn't have been proofing
we mustn't have been proofing
you mustn't have been proofing
they mustn't have been proofing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I proof?
must you proof?
must she proof?
must we proof?
must you proof?
must they proof? 	must I be proofing?
must you be proofing?
must she be proofing?
must we be proofing?
must you be proofing?
must they be proofing? 	must I have proofed?
must you have proofed?
must she have proofed?
must we have proofed?
must you have proofed?
must they have proofed? 	must I have been proofing?
must you have been proofing?
must she have been proofing?
must we have been proofing?
must you have been proofing?
must they have been proofing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I proof?
mustn't you proof?
mustn't she proof?
mustn't we proof?
mustn't you proof?
mustn't they proof? 	mustn't I be proofing?
mustn't you be proofing?
mustn't she be proofing?
mustn't we be proofing?
mustn't you be proofing?
mustn't they be proofing? 	mustn't I have proofed?
mustn't you have proofed?
mustn't she have proofed?
mustn't we have proofed?
mustn't you have proofed?
mustn't they have proofed? 	mustn't I have been proofing?
mustn't you have been proofing?
mustn't she have been proofing?
mustn't we have been proofing?
mustn't you have been proofing?
mustn't they have been proofing?