I must camp you must camp he must camp we must camp you must camp they must camp
Forma con V-ing
I must be camping you must be camping he must be camping we must be camping you must be camping they must be camping
Perfecto
I must have camped you must have camped he must have camped we must have camped you must have camped they must have camped
Perfecto con V-ing
I must have been camping you must have been camping he must have been camping we must have been camping you must have been camping they must have been camping
Negación
Forma simple
I must not camp you must not camp he must not camp we must not camp you must not camp they must not camp
Forma con V-ing
I must not be camping you must not be camping he must not be camping we must not be camping you must not be camping they must not be camping
Perfecto
I must not have camped you must not have camped he must not have camped we must not have camped you must not have camped they must not have camped
Perfecto con V-ing
I must not have been camping you must not have been camping he must not have been camping we must not have been camping you must not have been camping they must not have been camping
Forma interrogativa
Forma simple
must I camp? must you camp? must he camp? must we camp? must you camp? must they camp?
Forma con V-ing
must I be camping? must you be camping? must he be camping? must we be camping? must you be camping? must they be camping?
Perfecto
must I have camped? must you have camped? must he have camped? must we have camped? must you have camped? must they have camped?
Perfecto con V-ing
must I have been camping? must you have been camping? must he have been camping? must we have been camping? must you have been camping? must they have been camping?
Forma interro-negativa
Forma simple
must I not camp? must you not camp? must he not camp? must we not camp? must you not camp? must they not camp?
Forma con V-ing
must I not be camping? must you not be camping? must he not be camping? must we not be camping? must you not be camping? must they not be camping?
Perfecto
must I not have camped? must you not have camped? must he not have camped? must we not have camped? must you not have camped? must they not have camped?
Perfecto con V-ing
must I not have been camping? must you not have been camping? must he not have been camping? must we not have been camping? must you not have been camping? must they not have been camping?