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