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