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