I must rainproof you must rainproof she must rainproof we must rainproof you must rainproof they must rainproof
Forme en V-ing
I must be rainproofing you must be rainproofing she must be rainproofing we must be rainproofing you must be rainproofing they must be rainproofing
Perfect
I must have rainproofed you must have rainproofed she must have rainproofed we must have rainproofed you must have rainproofed they must have rainproofed
Perfect en V-ing
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
Négation
Forme simple
I mustn't rainproof you mustn't rainproof she mustn't rainproof we mustn't rainproof you mustn't rainproof they mustn't rainproof
Forme en V-ing
I mustn't be rainproofing you mustn't be rainproofing she mustn't be rainproofing we mustn't be rainproofing you mustn't be rainproofing they mustn't be rainproofing
Perfect
I mustn't have rainproofed you mustn't have rainproofed she mustn't have rainproofed we mustn't have rainproofed you mustn't have rainproofed they mustn't have rainproofed
Perfect en V-ing
I mustn't have been rainproofing you mustn't have been rainproofing she mustn't have been rainproofing we mustn't have been rainproofing you mustn't have been rainproofing they mustn't have been rainproofing
Forme interrogative
Forme simple
must I rainproof? must you rainproof? must she rainproof? must we rainproof? must you rainproof? must they rainproof?
Forme en V-ing
must I be rainproofing? must you be rainproofing? must she be rainproofing? must we be rainproofing? must you be rainproofing? must they be rainproofing?
Perfect
must I have rainproofed? must you have rainproofed? must she have rainproofed? must we have rainproofed? must you have rainproofed? must they have rainproofed?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
mustn't I rainproof? mustn't you rainproof? mustn't she rainproof? mustn't we rainproof? mustn't you rainproof? mustn't they rainproof?
Forme en V-ing
mustn't I be rainproofing? mustn't you be rainproofing? mustn't she be rainproofing? mustn't we be rainproofing? mustn't you be rainproofing? mustn't they be rainproofing?
Perfect
mustn't I have rainproofed? mustn't you have rainproofed? mustn't she have rainproofed? mustn't we have rainproofed? mustn't you have rainproofed? mustn't they have rainproofed?
Perfect en V-ing
mustn't I have been rainproofing? mustn't you have been rainproofing? mustn't she have been rainproofing? mustn't we have been rainproofing? mustn't you have been rainproofing? mustn't they have been rainproofing?