must rainproof
Verbo regular: rainproof - rainproofed- rainproofed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must rainproof
you must rainproof
she must rainproof
we must rainproof
you must rainproof
they must rainproof 	I must be rainproofing
you must be rainproofing
she must be rainproofing
we must be rainproofing
you must be rainproofing
they must be rainproofing	I must have rainproofed
you must have rainproofed
she 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
she must have been rainproofing
we must have been rainproofing
you must have been rainproofing
they must have been rainproofing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not rainproof
you must not rainproof
she 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
she 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
she 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
she must not have been rainproofing
we must not have been rainproofing
you must not have been rainproofing
they must not have been rainproofing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I rainproof?
must you rainproof?
must she rainproof?
must we rainproof?
must you rainproof?
must they rainproof? 	must I be rainproofing?
must you be rainproofing?
must she be rainproofing?
must we be rainproofing?
must you be rainproofing?
must they be rainproofing? 	must I have rainproofed?
must you have rainproofed?
must she 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 she have been rainproofing?
must we have been rainproofing?
must you have been rainproofing?
must they have been rainproofing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not rainproof?
must you not rainproof?
must she 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 she 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 she 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 she not have been rainproofing?
must we not have been rainproofing?
must you not have been rainproofing?
must they not have been rainproofing?