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