I must daydream you must daydream he must daydream we must daydream you must daydream they must daydream
V-ing form
I must be daydreaming you must be daydreaming he must be daydreaming we must be daydreaming you must be daydreaming they must be daydreaming
Perfect
I must have daydreamed you must have daydreamed he 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 he 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 he 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 he 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 he 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 he 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 he daydream? must we daydream? must you daydream? must they daydream?
V-ing form
must I be daydreaming? must you be daydreaming? must he be daydreaming? must we be daydreaming? must you be daydreaming? must they be daydreaming?
Perfect
must I have daydreamed? must you have daydreamed? must he 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 he 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 he 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 he 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 he 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 he have been daydreaming? mustn't we have been daydreaming? mustn't you have been daydreaming? mustn't they have been daydreaming?