I must skirmish you must skirmish he must skirmish we must skirmish you must skirmish they must skirmish
Forma con V-ing
I must be skirmishing you must be skirmishing he must be skirmishing we must be skirmishing you must be skirmishing they must be skirmishing
Perfecto
I must have skirmished you must have skirmished he must have skirmished we must have skirmished you must have skirmished they must have skirmished
Perfecto con V-ing
I must have been skirmishing you must have been skirmishing he must have been skirmishing we must have been skirmishing you must have been skirmishing they must have been skirmishing
Negación
Forma simple
I must not skirmish you must not skirmish he must not skirmish we must not skirmish you must not skirmish they must not skirmish
Forma con V-ing
I must not be skirmishing you must not be skirmishing he must not be skirmishing we must not be skirmishing you must not be skirmishing they must not be skirmishing
Perfecto
I must not have skirmished you must not have skirmished he must not have skirmished we must not have skirmished you must not have skirmished they must not have skirmished
Perfecto con V-ing
I must not have been skirmishing you must not have been skirmishing he must not have been skirmishing we must not have been skirmishing you must not have been skirmishing they must not have been skirmishing
Forma interrogativa
Forma simple
must I skirmish? must you skirmish? must he skirmish? must we skirmish? must you skirmish? must they skirmish?
Forma con V-ing
must I be skirmishing? must you be skirmishing? must he be skirmishing? must we be skirmishing? must you be skirmishing? must they be skirmishing?
Perfecto
must I have skirmished? must you have skirmished? must he have skirmished? must we have skirmished? must you have skirmished? must they have skirmished?
Perfecto con V-ing
must I have been skirmishing? must you have been skirmishing? must he have been skirmishing? must we have been skirmishing? must you have been skirmishing? must they have been skirmishing?
Forma interro-negativa
Forma simple
must I not skirmish? must you not skirmish? must he not skirmish? must we not skirmish? must you not skirmish? must they not skirmish?
Forma con V-ing
must I not be skirmishing? must you not be skirmishing? must he not be skirmishing? must we not be skirmishing? must you not be skirmishing? must they not be skirmishing?
Perfecto
must I not have skirmished? must you not have skirmished? must he not have skirmished? must we not have skirmished? must you not have skirmished? must they not have skirmished?
Perfecto con V-ing
must I not have been skirmishing? must you not have been skirmishing? must he not have been skirmishing? must we not have been skirmishing? must you not have been skirmishing? must they not have been skirmishing?