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 must not battle you must not battle he must not battle we must not battle you must not battle they must not battle
Forma con V-ing
I must not be battling you must not be battling he must not be battling we must not be battling you must not be battling they must not be battling
Perfecto
I must not have battled you must not have battled he must not have battled we must not have battled you must not have battled they must not have battled
Perfecto con V-ing
I must not have been battling you must not have been battling he must not have been battling we must not have been battling you must not have been battling they must not 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
must I not battle? must you not battle? must he not battle? must we not battle? must you not battle? must they not battle?
Forma con V-ing
must I not be battling? must you not be battling? must he not be battling? must we not be battling? must you not be battling? must they not be battling?
Perfecto
must I not have battled? must you not have battled? must he not have battled? must we not have battled? must you not have battled? must they not have battled?
Perfecto con V-ing
must I not have been battling? must you not have been battling? must he not have been battling? must we not have been battling? must you not have been battling? must they not have been battling?