I must dream you must dream she must dream we must dream you must dream they must dream
V-ing form
I must be dreaming you must be dreaming she must be dreaming we must be dreaming you must be dreaming they must be dreaming
Perfect
I must have dreamed, dreamt you must have dreamed, dreamt she must have dreamed, dreamt we must have dreamed, dreamt you must have dreamed, dreamt they must have dreamed, dreamt
V-ing perfect
I must have been dreaming you must have been dreaming she must have been dreaming we must have been dreaming you must have been dreaming they must have been dreaming
Negation
Simple form
I mustn't dream you mustn't dream she mustn't dream we mustn't dream you mustn't dream they mustn't dream
V-ing form
I mustn't be dreaming you mustn't be dreaming she mustn't be dreaming we mustn't be dreaming you mustn't be dreaming they mustn't be dreaming
Perfect
I mustn't have dreamed, dreamt you mustn't have dreamed, dreamt she mustn't have dreamed, dreamt we mustn't have dreamed, dreamt you mustn't have dreamed, dreamt they mustn't have dreamed, dreamt
V-ing perfect
I mustn't have been dreaming you mustn't have been dreaming she mustn't have been dreaming we mustn't have been dreaming you mustn't have been dreaming they mustn't have been dreaming
Interrogative form
Simple form
must I dream? must you dream? must she dream? must we dream? must you dream? must they dream?
V-ing form
must I be dreaming? must you be dreaming? must she be dreaming? must we be dreaming? must you be dreaming? must they be dreaming?
Perfect
must I have dreamed, dreamt? must you have dreamed, dreamt? must she have dreamed, dreamt? must we have dreamed, dreamt? must you have dreamed, dreamt? must they have dreamed, dreamt?
V-ing perfect
must I have been dreaming? must you have been dreaming? must she have been dreaming? must we have been dreaming? must you have been dreaming? must they have been dreaming?
Interro-negative form
Simple form
mustn't I dream? mustn't you dream? mustn't she dream? mustn't we dream? mustn't you dream? mustn't they dream?
V-ing form
mustn't I be dreaming? mustn't you be dreaming? mustn't she be dreaming? mustn't we be dreaming? mustn't you be dreaming? mustn't they be dreaming?
Perfect
mustn't I have dreamed, dreamt? mustn't you have dreamed, dreamt? mustn't she have dreamed, dreamt? mustn't we have dreamed, dreamt? mustn't you have dreamed, dreamt? mustn't they have dreamed, dreamt?
V-ing perfect
mustn't I have been dreaming? mustn't you have been dreaming? mustn't she have been dreaming? mustn't we have been dreaming? mustn't you have been dreaming? mustn't they have been dreaming?