I must wet you must wet she must wet we must wet you must wet they must wet
V-ing form
I must be wetting you must be wetting she must be wetting we must be wetting you must be wetting they must be wetting
Perfect
I must have wet you must have wet she must have wet we must have wet you must have wet they must have wet
V-ing perfect
I must have been wetting you must have been wetting she must have been wetting we must have been wetting you must have been wetting they must have been wetting
Negation
Simple form
I mustn't wet you mustn't wet she mustn't wet we mustn't wet you mustn't wet they mustn't wet
V-ing form
I mustn't be wetting you mustn't be wetting she mustn't be wetting we mustn't be wetting you mustn't be wetting they mustn't be wetting
Perfect
I mustn't have wet you mustn't have wet she mustn't have wet we mustn't have wet you mustn't have wet they mustn't have wet
V-ing perfect
I mustn't have been wetting you mustn't have been wetting she mustn't have been wetting we mustn't have been wetting you mustn't have been wetting they mustn't have been wetting
Interrogative form
Simple form
must I wet? must you wet? must she wet? must we wet? must you wet? must they wet?
V-ing form
must I be wetting? must you be wetting? must she be wetting? must we be wetting? must you be wetting? must they be wetting?
Perfect
must I have wet? must you have wet? must she have wet? must we have wet? must you have wet? must they have wet?
V-ing perfect
must I have been wetting? must you have been wetting? must she have been wetting? must we have been wetting? must you have been wetting? must they have been wetting?
Interro-negative form
Simple form
mustn't I wet? mustn't you wet? mustn't she wet? mustn't we wet? mustn't you wet? mustn't they wet?
V-ing form
mustn't I be wetting? mustn't you be wetting? mustn't she be wetting? mustn't we be wetting? mustn't you be wetting? mustn't they be wetting?
Perfect
mustn't I have wet? mustn't you have wet? mustn't she have wet? mustn't we have wet? mustn't you have wet? mustn't they have wet?
V-ing perfect
mustn't I have been wetting? mustn't you have been wetting? mustn't she have been wetting? mustn't we have been wetting? mustn't you have been wetting? mustn't they have been wetting?