I must revive you must revive he must revive we must revive you must revive they must revive
V-ing form
I must be reviving you must be reviving he must be reviving we must be reviving you must be reviving they must be reviving
Perfect
I must have revived you must have revived he must have revived we must have revived you must have revived they must have revived
V-ing perfect
I must have been reviving you must have been reviving he must have been reviving we must have been reviving you must have been reviving they must have been reviving
Negation
Simple form
I must not revive you must not revive he must not revive we must not revive you must not revive they must not revive
V-ing form
I must not be reviving you must not be reviving he must not be reviving we must not be reviving you must not be reviving they must not be reviving
Perfect
I must not have revived you must not have revived he must not have revived we must not have revived you must not have revived they must not have revived
V-ing perfect
I must not have been reviving you must not have been reviving he must not have been reviving we must not have been reviving you must not have been reviving they must not have been reviving
Interrogative form
Simple form
must I revive? must you revive? must he revive? must we revive? must you revive? must they revive?
V-ing form
must I be reviving? must you be reviving? must he be reviving? must we be reviving? must you be reviving? must they be reviving?
Perfect
must I have revived? must you have revived? must he have revived? must we have revived? must you have revived? must they have revived?
V-ing perfect
must I have been reviving? must you have been reviving? must he have been reviving? must we have been reviving? must you have been reviving? must they have been reviving?
Interro-negative form
Simple form
must I not revive? must you not revive? must he not revive? must we not revive? must you not revive? must they not revive?
V-ing form
must I not be reviving? must you not be reviving? must he not be reviving? must we not be reviving? must you not be reviving? must they not be reviving?
Perfect
must I not have revived? must you not have revived? must he not have revived? must we not have revived? must you not have revived? must they not have revived?
V-ing perfect
must I not have been reviving? must you not have been reviving? must he not have been reviving? must we not have been reviving? must you not have been reviving? must they not have been reviving?