I must trot you must trot he must trot we must trot you must trot they must trot
Forma con V-ing
I must be trotting you must be trotting he must be trotting we must be trotting you must be trotting they must be trotting
Perfecto
I must have trotted you must have trotted he must have trotted we must have trotted you must have trotted they must have trotted
Perfecto con V-ing
I must have been trotting you must have been trotting he must have been trotting we must have been trotting you must have been trotting they must have been trotting
Negación
Forma simple
I mustn't trot you mustn't trot he mustn't trot we mustn't trot you mustn't trot they mustn't trot
Forma con V-ing
I mustn't be trotting you mustn't be trotting he mustn't be trotting we mustn't be trotting you mustn't be trotting they mustn't be trotting
Perfecto
I mustn't have trotted you mustn't have trotted he mustn't have trotted we mustn't have trotted you mustn't have trotted they mustn't have trotted
Perfecto con V-ing
I mustn't have been trotting you mustn't have been trotting he mustn't have been trotting we mustn't have been trotting you mustn't have been trotting they mustn't have been trotting
Forma interrogativa
Forma simple
must I trot? must you trot? must he trot? must we trot? must you trot? must they trot?
Forma con V-ing
must I be trotting? must you be trotting? must he be trotting? must we be trotting? must you be trotting? must they be trotting?
Perfecto
must I have trotted? must you have trotted? must he have trotted? must we have trotted? must you have trotted? must they have trotted?
Perfecto con V-ing
must I have been trotting? must you have been trotting? must he have been trotting? must we have been trotting? must you have been trotting? must they have been trotting?
Forma interro-negativa
Forma simple
mustn't I trot? mustn't you trot? mustn't he trot? mustn't we trot? mustn't you trot? mustn't they trot?
Forma con V-ing
mustn't I be trotting? mustn't you be trotting? mustn't he be trotting? mustn't we be trotting? mustn't you be trotting? mustn't they be trotting?
Perfecto
mustn't I have trotted? mustn't you have trotted? mustn't he have trotted? mustn't we have trotted? mustn't you have trotted? mustn't they have trotted?
Perfecto con V-ing
mustn't I have been trotting? mustn't you have been trotting? mustn't he have been trotting? mustn't we have been trotting? mustn't you have been trotting? mustn't they have been trotting?