I must comprise you must comprise he must comprise we must comprise you must comprise they must comprise
V-ing form
I must be comprising you must be comprising he must be comprising we must be comprising you must be comprising they must be comprising
Perfect
I must have comprised you must have comprised he must have comprised we must have comprised you must have comprised they must have comprised
V-ing perfect
I must have been comprising you must have been comprising he must have been comprising we must have been comprising you must have been comprising they must have been comprising
Negation
Simple form
I must not comprise you must not comprise he must not comprise we must not comprise you must not comprise they must not comprise
V-ing form
I must not be comprising you must not be comprising he must not be comprising we must not be comprising you must not be comprising they must not be comprising
Perfect
I must not have comprised you must not have comprised he must not have comprised we must not have comprised you must not have comprised they must not have comprised
V-ing perfect
I must not have been comprising you must not have been comprising he must not have been comprising we must not have been comprising you must not have been comprising they must not have been comprising
Interrogative form
Simple form
must I comprise? must you comprise? must he comprise? must we comprise? must you comprise? must they comprise?
V-ing form
must I be comprising? must you be comprising? must he be comprising? must we be comprising? must you be comprising? must they be comprising?
Perfect
must I have comprised? must you have comprised? must he have comprised? must we have comprised? must you have comprised? must they have comprised?
V-ing perfect
must I have been comprising? must you have been comprising? must he have been comprising? must we have been comprising? must you have been comprising? must they have been comprising?
Interro-negative form
Simple form
must I not comprise? must you not comprise? must he not comprise? must we not comprise? must you not comprise? must they not comprise?
V-ing form
must I not be comprising? must you not be comprising? must he not be comprising? must we not be comprising? must you not be comprising? must they not be comprising?
Perfect
must I not have comprised? must you not have comprised? must he not have comprised? must we not have comprised? must you not have comprised? must they not have comprised?
V-ing perfect
must I not have been comprising? must you not have been comprising? must he not have been comprising? must we not have been comprising? must you not have been comprising? must they not have been comprising?