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