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