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