I must fill you must fill she must fill we must fill you must fill they must fill
Forma com V-ing
I must be filling you must be filling she must be filling we must be filling you must be filling they must be filling
Perfeito
I must have filled you must have filled she must have filled we must have filled you must have filled they must have filled
Perfeito com V-ing
I must have been filling you must have been filling she must have been filling we must have been filling you must have been filling they must have been filling
Negação
Forma simple
I must not fill you must not fill she must not fill we must not fill you must not fill they must not fill
Forma com V-ing
I must not be filling you must not be filling she must not be filling we must not be filling you must not be filling they must not be filling
Perfeito
I must not have filled you must not have filled she must not have filled we must not have filled you must not have filled they must not have filled
Perfeito com V-ing
I must not have been filling you must not have been filling she must not have been filling we must not have been filling you must not have been filling they must not have been filling
Forma interrogativa
Forma simple
must I fill? must you fill? must she fill? must we fill? must you fill? must they fill?
Forma com V-ing
must I be filling? must you be filling? must she be filling? must we be filling? must you be filling? must they be filling?
Perfeito
must I have filled? must you have filled? must she have filled? must we have filled? must you have filled? must they have filled?
Perfeito com V-ing
must I have been filling? must you have been filling? must she have been filling? must we have been filling? must you have been filling? must they have been filling?
Forma interro-Negação
Forma simple
must I not fill? must you not fill? must she not fill? must we not fill? must you not fill? must they not fill?
Forma com V-ing
must I not be filling? must you not be filling? must she not be filling? must we not be filling? must you not be filling? must they not be filling?
Perfeito
must I not have filled? must you not have filled? must she not have filled? must we not have filled? must you not have filled? must they not have filled?
Perfeito com V-ing
must I not have been filling? must you not have been filling? must she not have been filling? must we not have been filling? must you not have been filling? must they not have been filling?