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