I must unveil you must unveil he must unveil we must unveil you must unveil they must unveil
V-ing form
I must be unveiling you must be unveiling he must be unveiling we must be unveiling you must be unveiling they must be unveiling
Perfect
I must have unveiled you must have unveiled he must have unveiled we must have unveiled you must have unveiled they must have unveiled
V-ing perfect
I must have been unveiling you must have been unveiling he must have been unveiling we must have been unveiling you must have been unveiling they must have been unveiling
Negation
Simple form
I mustn't unveil you mustn't unveil he mustn't unveil we mustn't unveil you mustn't unveil they mustn't unveil
V-ing form
I mustn't be unveiling you mustn't be unveiling he mustn't be unveiling we mustn't be unveiling you mustn't be unveiling they mustn't be unveiling
Perfect
I mustn't have unveiled you mustn't have unveiled he mustn't have unveiled we mustn't have unveiled you mustn't have unveiled they mustn't have unveiled
V-ing perfect
I mustn't have been unveiling you mustn't have been unveiling he mustn't have been unveiling we mustn't have been unveiling you mustn't have been unveiling they mustn't have been unveiling
Interrogative form
Simple form
must I unveil? must you unveil? must he unveil? must we unveil? must you unveil? must they unveil?
V-ing form
must I be unveiling? must you be unveiling? must he be unveiling? must we be unveiling? must you be unveiling? must they be unveiling?
Perfect
must I have unveiled? must you have unveiled? must he have unveiled? must we have unveiled? must you have unveiled? must they have unveiled?
V-ing perfect
must I have been unveiling? must you have been unveiling? must he have been unveiling? must we have been unveiling? must you have been unveiling? must they have been unveiling?
Interro-negative form
Simple form
mustn't I unveil? mustn't you unveil? mustn't he unveil? mustn't we unveil? mustn't you unveil? mustn't they unveil?
V-ing form
mustn't I be unveiling? mustn't you be unveiling? mustn't he be unveiling? mustn't we be unveiling? mustn't you be unveiling? mustn't they be unveiling?
Perfect
mustn't I have unveiled? mustn't you have unveiled? mustn't he have unveiled? mustn't we have unveiled? mustn't you have unveiled? mustn't they have unveiled?
V-ing perfect
mustn't I have been unveiling? mustn't you have been unveiling? mustn't he have been unveiling? mustn't we have been unveiling? mustn't you have been unveiling? mustn't they have been unveiling?