I must revive you must revive she must revive we must revive you must revive they must revive
V-ing form
I must be reviving you must be reviving she must be reviving we must be reviving you must be reviving they must be reviving
Perfect
I must have revived you must have revived she 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 she must have been reviving we must have been reviving you must have been reviving they must have been reviving
Negation
Simple form
I mustn't revive you mustn't revive she mustn't revive we mustn't revive you mustn't revive they mustn't revive
V-ing form
I mustn't be reviving you mustn't be reviving she mustn't be reviving we mustn't be reviving you mustn't be reviving they mustn't be reviving
Perfect
I mustn't have revived you mustn't have revived she mustn't have revived we mustn't have revived you mustn't have revived they mustn't have revived
V-ing perfect
I mustn't have been reviving you mustn't have been reviving she mustn't have been reviving we mustn't have been reviving you mustn't have been reviving they mustn't have been reviving
Interrogative form
Simple form
must I revive? must you revive? must she revive? must we revive? must you revive? must they revive?
V-ing form
must I be reviving? must you be reviving? must she be reviving? must we be reviving? must you be reviving? must they be reviving?
Perfect
must I have revived? must you have revived? must she 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 she have been reviving? must we have been reviving? must you have been reviving? must they have been reviving?
Interro-negative form
Simple form
mustn't I revive? mustn't you revive? mustn't she revive? mustn't we revive? mustn't you revive? mustn't they revive?
V-ing form
mustn't I be reviving? mustn't you be reviving? mustn't she be reviving? mustn't we be reviving? mustn't you be reviving? mustn't they be reviving?
Perfect
mustn't I have revived? mustn't you have revived? mustn't she have revived? mustn't we have revived? mustn't you have revived? mustn't they have revived?
V-ing perfect
mustn't I have been reviving? mustn't you have been reviving? mustn't she have been reviving? mustn't we have been reviving? mustn't you have been reviving? mustn't they have been reviving?