I must japan you must japan she must japan we must japan you must japan they must japan
Forma con V-ing
I must be japaning you must be japaning she must be japaning we must be japaning you must be japaning they must be japaning
Perfecto
I must have japaned you must have japaned she must have japaned we must have japaned you must have japaned they must have japaned
Perfecto con V-ing
I must have been japaning you must have been japaning she must have been japaning we must have been japaning you must have been japaning they must have been japaning
Negación
Forma simple
I must not japan you must not japan she must not japan we must not japan you must not japan they must not japan
Forma con V-ing
I must not be japaning you must not be japaning she must not be japaning we must not be japaning you must not be japaning they must not be japaning
Perfecto
I must not have japaned you must not have japaned she must not have japaned we must not have japaned you must not have japaned they must not have japaned
Perfecto con V-ing
I must not have been japaning you must not have been japaning she must not have been japaning we must not have been japaning you must not have been japaning they must not have been japaning
Forma interrogativa
Forma simple
must I japan? must you japan? must she japan? must we japan? must you japan? must they japan?
Forma con V-ing
must I be japaning? must you be japaning? must she be japaning? must we be japaning? must you be japaning? must they be japaning?
Perfecto
must I have japaned? must you have japaned? must she have japaned? must we have japaned? must you have japaned? must they have japaned?
Perfecto con V-ing
must I have been japaning? must you have been japaning? must she have been japaning? must we have been japaning? must you have been japaning? must they have been japaning?
Forma interro-negativa
Forma simple
must I not japan? must you not japan? must she not japan? must we not japan? must you not japan? must they not japan?
Forma con V-ing
must I not be japaning? must you not be japaning? must she not be japaning? must we not be japaning? must you not be japaning? must they not be japaning?
Perfecto
must I not have japaned? must you not have japaned? must she not have japaned? must we not have japaned? must you not have japaned? must they not have japaned?
Perfecto con V-ing
must I not have been japaning? must you not have been japaning? must she not have been japaning? must we not have been japaning? must you not have been japaning? must they not have been japaning?