I must earn you must earn he must earn we must earn you must earn they must earn
Forma com V-ing
I must be earning you must be earning he must be earning we must be earning you must be earning they must be earning
Perfeito
I must have earned you must have earned he must have earned we must have earned you must have earned they must have earned
Perfeito com V-ing
I must have been earning you must have been earning he must have been earning we must have been earning you must have been earning they must have been earning
Negação
Forma simple
I must not earn you must not earn he must not earn we must not earn you must not earn they must not earn
Forma com V-ing
I must not be earning you must not be earning he must not be earning we must not be earning you must not be earning they must not be earning
Perfeito
I must not have earned you must not have earned he must not have earned we must not have earned you must not have earned they must not have earned
Perfeito com V-ing
I must not have been earning you must not have been earning he must not have been earning we must not have been earning you must not have been earning they must not have been earning
Forma interrogativa
Forma simple
must I earn? must you earn? must he earn? must we earn? must you earn? must they earn?
Forma com V-ing
must I be earning? must you be earning? must he be earning? must we be earning? must you be earning? must they be earning?
Perfeito
must I have earned? must you have earned? must he have earned? must we have earned? must you have earned? must they have earned?
Perfeito com V-ing
must I have been earning? must you have been earning? must he have been earning? must we have been earning? must you have been earning? must they have been earning?
Forma interro-Negação
Forma simple
must I not earn? must you not earn? must he not earn? must we not earn? must you not earn? must they not earn?
Forma com V-ing
must I not be earning? must you not be earning? must he not be earning? must we not be earning? must you not be earning? must they not be earning?
Perfeito
must I not have earned? must you not have earned? must he not have earned? must we not have earned? must you not have earned? must they not have earned?
Perfeito com V-ing
must I not have been earning? must you not have been earning? must he not have been earning? must we not have been earning? must you not have been earning? must they not have been earning?