I must flim-flam you must flim-flam he must flim-flam we must flim-flam you must flim-flam they must flim-flam
V-ing form
I must be flim-flaming you must be flim-flaming he must be flim-flaming we must be flim-flaming you must be flim-flaming they must be flim-flaming
Perfect
I must have flim-flamed you must have flim-flamed he must have flim-flamed we must have flim-flamed you must have flim-flamed they must have flim-flamed
V-ing perfect
I must have been flim-flaming you must have been flim-flaming he must have been flim-flaming we must have been flim-flaming you must have been flim-flaming they must have been flim-flaming
Negation
Simple form
I must not flim-flam you must not flim-flam he must not flim-flam we must not flim-flam you must not flim-flam they must not flim-flam
V-ing form
I must not be flim-flaming you must not be flim-flaming he must not be flim-flaming we must not be flim-flaming you must not be flim-flaming they must not be flim-flaming
Perfect
I must not have flim-flamed you must not have flim-flamed he must not have flim-flamed we must not have flim-flamed you must not have flim-flamed they must not have flim-flamed
V-ing perfect
I must not have been flim-flaming you must not have been flim-flaming he must not have been flim-flaming we must not have been flim-flaming you must not have been flim-flaming they must not have been flim-flaming
Interrogative form
Simple form
must I flim-flam? must you flim-flam? must he flim-flam? must we flim-flam? must you flim-flam? must they flim-flam?
V-ing form
must I be flim-flaming? must you be flim-flaming? must he be flim-flaming? must we be flim-flaming? must you be flim-flaming? must they be flim-flaming?
Perfect
must I have flim-flamed? must you have flim-flamed? must he have flim-flamed? must we have flim-flamed? must you have flim-flamed? must they have flim-flamed?
V-ing perfect
must I have been flim-flaming? must you have been flim-flaming? must he have been flim-flaming? must we have been flim-flaming? must you have been flim-flaming? must they have been flim-flaming?
Interro-negative form
Simple form
must I not flim-flam? must you not flim-flam? must he not flim-flam? must we not flim-flam? must you not flim-flam? must they not flim-flam?
V-ing form
must I not be flim-flaming? must you not be flim-flaming? must he not be flim-flaming? must we not be flim-flaming? must you not be flim-flaming? must they not be flim-flaming?
Perfect
must I not have flim-flamed? must you not have flim-flamed? must he not have flim-flamed? must we not have flim-flamed? must you not have flim-flamed? must they not have flim-flamed?
V-ing perfect
must I not have been flim-flaming? must you not have been flim-flaming? must he not have been flim-flaming? must we not have been flim-flaming? must you not have been flim-flaming? must they not have been flim-flaming?