I must cite you must cite he must cite we must cite you must cite they must cite
V-ing form
I must be citing you must be citing he must be citing we must be citing you must be citing they must be citing
Perfect
I must have cited you must have cited he must have cited we must have cited you must have cited they must have cited
V-ing perfect
I must have been citing you must have been citing he must have been citing we must have been citing you must have been citing they must have been citing
Negation
Simple form
I must not cite you must not cite he must not cite we must not cite you must not cite they must not cite
V-ing form
I must not be citing you must not be citing he must not be citing we must not be citing you must not be citing they must not be citing
Perfect
I must not have cited you must not have cited he must not have cited we must not have cited you must not have cited they must not have cited
V-ing perfect
I must not have been citing you must not have been citing he must not have been citing we must not have been citing you must not have been citing they must not have been citing
Interrogative form
Simple form
must I cite? must you cite? must he cite? must we cite? must you cite? must they cite?
V-ing form
must I be citing? must you be citing? must he be citing? must we be citing? must you be citing? must they be citing?
Perfect
must I have cited? must you have cited? must he have cited? must we have cited? must you have cited? must they have cited?
V-ing perfect
must I have been citing? must you have been citing? must he have been citing? must we have been citing? must you have been citing? must they have been citing?
Interro-negative form
Simple form
must I not cite? must you not cite? must he not cite? must we not cite? must you not cite? must they not cite?
V-ing form
must I not be citing? must you not be citing? must he not be citing? must we not be citing? must you not be citing? must they not be citing?
Perfect
must I not have cited? must you not have cited? must he not have cited? must we not have cited? must you not have cited? must they not have cited?
V-ing perfect
must I not have been citing? must you not have been citing? must he not have been citing? must we not have been citing? must you not have been citing? must they not have been citing?