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