I must lead you must lead he must lead we must lead you must lead they must lead
Forma com V-ing
I must be leading you must be leading he must be leading we must be leading you must be leading they must be leading
Perfeito
I must have led you must have led he must have led we must have led you must have led they must have led
Perfeito com V-ing
I must have been leading you must have been leading he must have been leading we must have been leading you must have been leading they must have been leading
Negação
Forma simple
I mustn't lead you mustn't lead he mustn't lead we mustn't lead you mustn't lead they mustn't lead
Forma com V-ing
I mustn't be leading you mustn't be leading he mustn't be leading we mustn't be leading you mustn't be leading they mustn't be leading
Perfeito
I mustn't have led you mustn't have led he mustn't have led we mustn't have led you mustn't have led they mustn't have led
Perfeito com V-ing
I mustn't have been leading you mustn't have been leading he mustn't have been leading we mustn't have been leading you mustn't have been leading they mustn't have been leading
Forma interrogativa
Forma simple
must I lead? must you lead? must he lead? must we lead? must you lead? must they lead?
Forma com V-ing
must I be leading? must you be leading? must he be leading? must we be leading? must you be leading? must they be leading?
Perfeito
must I have led? must you have led? must he have led? must we have led? must you have led? must they have led?
Perfeito com V-ing
must I have been leading? must you have been leading? must he have been leading? must we have been leading? must you have been leading? must they have been leading?
Forma interro-Negação
Forma simple
mustn't I lead? mustn't you lead? mustn't he lead? mustn't we lead? mustn't you lead? mustn't they lead?
Forma com V-ing
mustn't I be leading? mustn't you be leading? mustn't he be leading? mustn't we be leading? mustn't you be leading? mustn't they be leading?
Perfeito
mustn't I have led? mustn't you have led? mustn't he have led? mustn't we have led? mustn't you have led? mustn't they have led?
Perfeito com V-ing
mustn't I have been leading? mustn't you have been leading? mustn't he have been leading? mustn't we have been leading? mustn't you have been leading? mustn't they have been leading?