must rainproof
Verbe régulier : rainproof - rainproofed- rainproofed
Traduction française : imperméabiliser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must rainproof
you must rainproof
he must rainproof
we must rainproof
you must rainproof
they must rainproof 	I must be rainproofing
you must be rainproofing
he must be rainproofing
we must be rainproofing
you must be rainproofing
they must be rainproofing	I must have rainproofed
you must have rainproofed
he must have rainproofed
we must have rainproofed
you must have rainproofed
they must have rainproofed	I must have been rainproofing
you must have been rainproofing
he must have been rainproofing
we must have been rainproofing
you must have been rainproofing
they must have been rainproofing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not rainproof
you must not rainproof
he must not rainproof
we must not rainproof
you must not rainproof
they must not rainproof 	I must not be rainproofing
you must not be rainproofing
he must not be rainproofing
we must not be rainproofing
you must not be rainproofing
they must not be rainproofing	I must not have rainproofed
you must not have rainproofed
he must not have rainproofed
we must not have rainproofed
you must not have rainproofed
they must not have rainproofed	I must not have been rainproofing
you must not have been rainproofing
he must not have been rainproofing
we must not have been rainproofing
you must not have been rainproofing
they must not have been rainproofing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I rainproof?
must you rainproof?
must he rainproof?
must we rainproof?
must you rainproof?
must they rainproof? 	must I be rainproofing?
must you be rainproofing?
must he be rainproofing?
must we be rainproofing?
must you be rainproofing?
must they be rainproofing? 	must I have rainproofed?
must you have rainproofed?
must he have rainproofed?
must we have rainproofed?
must you have rainproofed?
must they have rainproofed? 	must I have been rainproofing?
must you have been rainproofing?
must he have been rainproofing?
must we have been rainproofing?
must you have been rainproofing?
must they have been rainproofing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not rainproof?
must you not rainproof?
must he not rainproof?
must we not rainproof?
must you not rainproof?
must they not rainproof? 	must I not be rainproofing?
must you not be rainproofing?
must he not be rainproofing?
must we not be rainproofing?
must you not be rainproofing?
must they not be rainproofing? 	must I not have rainproofed?
must you not have rainproofed?
must he not have rainproofed?
must we not have rainproofed?
must you not have rainproofed?
must they not have rainproofed? 	must I not have been rainproofing?
must you not have been rainproofing?
must he not have been rainproofing?
must we not have been rainproofing?
must you not have been rainproofing?
must they not have been rainproofing?