I must assault you must assault she must assault we must assault you must assault they must assault
V-ing form
I must be assaulting you must be assaulting she must be assaulting we must be assaulting you must be assaulting they must be assaulting
Perfect
I must have assaulted you must have assaulted she 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 she 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 she 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 she 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 she 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 she 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 she assault? must we assault? must you assault? must they assault?
V-ing form
must I be assaulting? must you be assaulting? must she be assaulting? must we be assaulting? must you be assaulting? must they be assaulting?
Perfect
must I have assaulted? must you have assaulted? must she 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 she 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 she 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 she 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 she 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 she have been assaulting? mustn't we have been assaulting? mustn't you have been assaulting? mustn't they have been assaulting?